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1.
Ned Tijdschr Geneeskd ; 162: D1947, 2018.
Artigo em Holandês | MEDLINE | ID: mdl-29303101

RESUMO

- Late onset hypogonadism (LOH) is a shortage of testosterone in adult men whose male development was normal. This form of hypogonadism results in decreased testosterone levels and variable gonadotrophin levels. - The symptoms of LOH are often aspecific and may be consistent with ageing in men: lowered libido, loss of strength, reduced cognitive functioning and disorders of sleeping and mood. - There is discussion about testosterone parameters, but if clinical symptoms are consistent with LOH and the testosterone level is < 8 nmol/l, hypogonadism is evidently indicated. - The first step is giving advice on lifestyle and treating comorbidity. In addition, treatment with testosterone may be given. - Testosterone has a positive effect on sexual function and vitality. Testosterone therapy for hypogonadism decreases the risk of osteoporosis. Contraindications are advanced prostate cancer and the desire to have children. - If a patient is treated with testosterone, strict follow-up is recommended; testosterone, haematocrit and PSA levels should be determined at set intervals.


Assuntos
Androgênios/uso terapêutico , Hipogonadismo/tratamento farmacológico , Testosterona/uso terapêutico , Adulto , Humanos , Hipogonadismo/patologia , Libido/efeitos dos fármacos , Masculino , Pessoa de Meia-Idade
2.
Andrology ; 5(4): 838-843, 2017 07.
Artigo em Inglês | MEDLINE | ID: mdl-28637089

RESUMO

The aim of this study was to compare sperm DNA damage between men with a history of congenital undescended testis (UDT) and men with a history of acquired UDT. A long-term follow-up study of men with previous UDT was performed. Fifty men with congenital UDT who had undergone orchiopexy at childhood age, 49 men with acquired UDT after a 'wait-and-see'-protocol (e.g. awaiting spontaneous descent until puberty and perform an orchiopexy in case of non-decent), and 22 healthy proven fertile men were included. The DNA fragmentation index (DFI) using sperm chromatin structure assay (SCSA) was used to express the level of sperm DNA damage. Decreased fertility potential was considered if DFI was above 30%. Sperm DNA damage was not statistically different between cases of congenital and acquired UDT. DFI was significantly more often >30% in the complete group of men with congenital UDT (9/50; 18%) and in the subgroup with bilateral congenital UDT (3/7; 43%) in comparison with the controls (none) (p-value 0.049 and 0.01, respectively). Age at orchiopexy in congenital UDT had no statistical effect on DNA damage. In men with acquired UDT, DFI did not statistically differ between those having undergone orchiopexy and those experiencing spontaneous descent. This study supports the hypothesis that UDT is a spectrum representing both congenital UDT and acquired UDT. Sperm DNA damage at adult age is not influenced by age at orchiopexy in congenital UDT cases and by orchiopexy or spontaneous descent in acquired UDT cases.


Assuntos
Montagem e Desmontagem da Cromatina , Cromatina/química , Criptorquidismo/patologia , Dano ao DNA , Citometria de Fluxo/métodos , Espermatozoides/patologia , Estudos de Casos e Controles , Criptorquidismo/genética , Criptorquidismo/cirurgia , Humanos , Modelos Logísticos , Masculino , Conformação de Ácido Nucleico , Razão de Chances , Orquidopexia , Conformação Proteica , Contagem de Espermatozoides , Motilidade dos Espermatozoides , Espermatozoides/química , Relação Estrutura-Atividade
3.
Andrology ; 3(5): 888-94, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26216342

RESUMO

The aim of this study was to report on different anomalies found by physical examination and scrotal ultrasound in men with previously unilateral congenital undescended testes (UDT; N = 50), acquired UDT (N = 49), their contralateral normally descended testis (CNDT) and control testes (N = 53). Acquired UDT significantly more often had a testicular volume being <15 mL than congenital UDT (88% vs. 68%). In the congenital group, significant differences were found between UDT and CNDT for soft consistency (UDT 36% vs. CNDT 14%), epididymal diameter (UDT 7.6 mm vs. CNDT 8.9 mm), testicular volume (UDT 9.8 mL vs. CNDT 13.8 mL), and inhomogeneous parenchyma (UDT 38% vs. CNDT 14%). In the acquired group, significant differences were found between UDT and CNDT for epididymal diameter (UDT 7.5 mm vs. CNDT 8 mm), testicular volume (UDT 9.3 mL vs. CNDT 14.1 mL), testicular volume <15 mL (UDT 88% vs. CNDT 59%), and inhomogeneous parenchyma (UDT 27% vs. CNDT 6%). The following parameters of congenital UDT, acquired UDT, congenital CNDT, and/or acquired CNDT significantly differed compared with controls: soft testicular consistency (congenital UDT 36%, acquired UDT 20%, congenital CNDT 14%, acquired CNDT 12% vs. controls 0%), epididymal diameter (congenital UDT 7.6 mm, acquired UDT 7.5 mm, acquired CNDT 8 mm vs. controls 9.2 mm), testicular volume (congenital UDT 9.8 mL, acquired UDT 9.3 mL, congenital CNDT 13.8 mL, acquired CNDT 14.1 mL vs. control testes 15.8 mL), testicular volume <15 mL (congenital UDT 68%, acquired UDT 88%, congenital CNDT 66% vs. controls 43%), inhomogeneous parenchyma (congenital UDT 38%, acquired UDT 27%, congenital CNDT 14% vs. controls 0%), and testicular microlithiasis (congenital CNDT 24% vs. control testes 8%). Few differences between congenital and acquired unilateral UDT and congenital and acquired CNDT support the hypothesis of a spectrum of maldescended testes containing congenital and acquired UDT instead of them being two different entities. The CNDT also has anomalies albeit less severe than the UDT, indicating that in unilateral UDT both testes are affected.


Assuntos
Criptorquidismo/diagnóstico por imagem , Epididimo/anatomia & histologia , Escroto/diagnóstico por imagem , Testículo/anatomia & histologia , Adolescente , Criança , Pré-Escolar , Criptorquidismo/diagnóstico , Epididimo/fisiologia , Humanos , Masculino , Estudos Retrospectivos , Escroto/anatomia & histologia , Testículo/fisiologia , Ultrassonografia
4.
Andrology ; 3(4): 677-84, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-26084887

RESUMO

The aim of this study was to evaluate testicular function in men with previous acquired undescended testis (UDT) in whom orchiopexy was performed at diagnosis compared with a similar group of men in whom spontaneous descent was awaited until puberty. Secondly, we examined the influence of age at orchiopexy on fertility parameters in adult life. A total of 169 men of the 'orchiopexy at diagnosis' group and 207 men of the 'wait and see' protocol group were invited for participation. All participants underwent an andrological evaluation, including medical history, physical examination, scrotal ultrasound, determination of reproductive hormones, and semen analysis. Results were compared for men in whom orchiopexy was performed at diagnoses with men in whom spontaneous descent was awaited until puberty followed by orchiopexy in case of non-descent. In the 'orchiopexy at diagnosis' group, 63 men of whom 14 with bilateral UDT, and in the 'wait and see' protocol group, 65 men of whom 15 with bilateral UDT were included. For unilateral UDT Inhibin B was found to be significantly lower and median progressive motility was higher in men with orchiopexy at diagnosis. For bilateral UDT, semen concentration and progressive motility showed a trend toward a favorable outcome for orchiopexy at diagnosis. Age at orchiopexy being under or above 10 years of age had no significant influence on the fertility potential. The outcome of physical examination, scrotal ultrasound, endocrine function, and semen analysis indicates a compromised fertility potential in men with previous acquired UDT. None of the protocols proved to be superior. For bilateral UDT, a trend toward favorable outcome of orchiopexy at diagnosis was seen. Furthermore, age at orchiopexy did not have an influence on fertility parameters. Therefore, in our opinion a 'conservative policy' is warranted for unilateral UDT, especially because over 50% of acquired UDT descend spontaneously.


Assuntos
Criptorquidismo/cirurgia , Fertilidade , Orquidopexia , Adolescente , Adulto , Fatores Etários , Criança , Pré-Escolar , Criptorquidismo/diagnóstico , Hormônios Gonadais/sangue , Humanos , Masculino , Análise de Regressão , Estudos Retrospectivos , Análise do Sêmen , Conduta Expectante , Adulto Jovem
6.
Andrology ; 1(1): 100-8, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23258637

RESUMO

Men with a history of congenital undescended testes (UDT) have an increased risk of fertility problems. Despite no definitive proof, current guidelines recommend early surgical intervention because this may have a positive effect on future fertility potential by preventing degenerative changes of the testes in early life. Also surgical intervention facilitates observability of the testes in view of possible malignancy. We evaluated testicular function in adult men with previous UDT treated at different ages before puberty. A long-term follow-up study of men with previous UDT was performed. Andrological evaluation included medical history taking, physical examination, scrotal ultrasound, determination of reproductive hormones, and semen analysis. Findings were compared with those of a control group of men with normal testicular descent. The influence of age at orchiopexy on future fertility parameters was evaluated in a multivariate regression analysis. 62 men were included of whom seven had had bilateral UDT. Twenty-four patients had had their orchiopexy before the age of 24 months of whom eight men had it before 12 months of age. Forty-eight men had had unsuccessful luteinizing-hormone-releasing-hormone (LHRH) nasal spray treatment during childhood, whereas 14 of 24 men operated before 24 months of age had not received LHRH treatment before orchiopexy. Fertility potential in men with a history of UDT is compromised in comparison with controls. We could not detect any influence of age at orchiopexy on fertility parameters. However, the number of patients operated before the age of 12 months is limited. This study does not support the assumption that early orchiopexy results in better fertility potential.


Assuntos
Criptorquidismo/complicações , Fertilidade , Infertilidade Masculina/etiologia , Administração Intranasal , Adolescente , Adulto , Aerossóis , Fatores Etários , Estudos de Casos e Controles , Criança , Pré-Escolar , Criptorquidismo/diagnóstico , Criptorquidismo/fisiopatologia , Criptorquidismo/terapia , Feminino , Seguimentos , Hormônio Liberador de Gonadotropina/administração & dosagem , Humanos , Lactente , Infertilidade Masculina/diagnóstico , Infertilidade Masculina/fisiopatologia , Estimativa de Kaplan-Meier , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Orquidopexia , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Adulto Jovem
7.
Actas urol. esp ; 36(5): 276-281, mayo 2012. tab
Artigo em Espanhol | IBECS | ID: ibc-99328

RESUMO

Contexto: La Asociación Europea de Urología presenta su guía clínica para la vasectomía. La vasectomía es muy eficaz, pero pueden surgir problemas que están relacionados con la falta de información preoperatoria del paciente, el procedimiento quirúrgico y el seguimiento postoperatorio. Objetivo: Esta guía clínica tiene por objeto proporcionar información y recomendaciones para los médicos que realizan vasectomías y promover el suministro de información adecuada al paciente antes de la operación para evitar expectativas poco realistas y procedimientos legales. Adquisición de la evidencia: Se llevó a cabo una revisión exhaustiva de la literatura mediante Medline, Embase y la Base de Datos Cochrane de Revisiones Sistemáticas de 1980 a 2010. La atención se centró en los ensayos controlados aleatorizados (ECA) y los metaanálisis de los ECA (nivel 1 de evidencia) y en los estudios bien diseñados sin aleatorización (nivel 2 y 3 de evidencia). Un total de 113 registros únicos fueron identificados para su consideración. Se excluyeron las publicaciones que no estaban en lengua inglesa, así como los estudios publicados como resúmenes solamente o informes de las reuniones. Síntesis de la evidencia: La guía clínica debate las indicaciones y contraindicaciones de la vasectomía, la información y el asesoramiento preoperatorio del paciente, las técnicas quirúrgicas, los cuidados postoperatorios y el posterior análisis del semen y las complicaciones y consecuencias finales. Conclusiones: La vasectomía tiene la intención de ser un método anticonceptivo permanente; No hay contraindicaciones absolutas para la misma. Las contraindicaciones relativas pueden ser la ausencia de hijos, edad < 30 años, una enfermedad grave, ninguna relación actual y dolor en el escroto. El asesoramiento preoperatorio debe incluir métodos alternativos de anticoncepción, tasas de complicación y fracaso y la necesidad de análisis del semen postoperatorio. Se debe obtener consentimiento informado antes de la operación. Aunque el uso de cauterio de la mucosa y la interposición fascial han demostrado reducir el fracaso temprano en comparación con la ligadura simple y resección de un segmento de vaso pequeño, no hay datos sólidos que muestren que una técnica de vasectomía en particular es superior en cuanto a prevención de la recanalización tardía y espontánea del embarazo después de la vasectomía. Tras el análisis del semen se puede dar el alta en caso de azoospermia documentada y en el caso de espermatozoides inmóviles en la eyaculación por lo menos 3 meses después del procedimiento (AU)


Context: The European Association of Urology presents its guidelines for vasectomy. Vasectomy is highly effective, but problems can arise that are related to insufficient preoperative patient information, the surgical procedure, and postoperative follow-up. Objective: These guidelines aim to provide information and recommendations for physicians who perform vasectomies and to promote the provision of adequate information to the patient before the operation to prevent unrealistic expectations and legal procedures. Evidence acquisition: An extensive review of the literature was carried out using Medline, Embase, and the Cochrane Database of Systematic Reviews from 1980 to 2010. The focus was on randomised controlled trials (RCTs) and meta-analyses of RCTs (level 1 evidence) and onwell-designed studies without randomisation (level 2 and 3 evidence). A total of 113 unique records were identified for consideration. Non-English language publications were excluded as well as studies published as abstracts only or reports from meetings. Evidence synthesis: The guidelines discuss indications and contraindications for vasectomy, preoperative patient information and counselling, surgical techniques, postoperative care and subsequent semen analysis, and complications and late consequences. Conclusions: Vasectomy is intended to be a permanent form of contraception. There are no absolute contraindications for vasectomy. Relative contraindications may be the absence of children, age < 30 yr, severe illness, no current relationship, and scrotal pain. Preoperative counselling should include alternative methods of contraception, complication and failure rates, and the need for postoperative semen analysis. Informed consent should be obtained before the operation. Although the use of mucosal cautery and fascial interposition have been shown to reduce early failure compared to simple ligation and excision of a small vas segment, no robust data show that a particular vasectomy technique is superior in terms of prevention of late recanalisation and spontaneous pregnancy after vasectomy. After semen analysis, clearance can be given in case of documented azoospermia and in case of rare non motile spermatozoa in the ejaculate at least 3 mo after the procedure (AU)


Assuntos
Humanos , Masculino , Vasectomia/métodos , Esterilização Reprodutiva/métodos , Padrões de Prática Médica , Vasovasostomia/métodos
8.
Actas Urol Esp ; 36(5): 276-81, 2012 May.
Artigo em Espanhol | MEDLINE | ID: mdl-22521918

RESUMO

CONTEXT: The European Association of Urology presents its guidelines for vasectomy. Vasectomy is highly effective, but problems can arise that are related to insufficient preoperative patient information, the surgical procedure, and postoperative follow-up. OBJECTIVE: These guidelines aim to provide information and recommendations for physicians who perform vasectomies and to promote the provision of adequate information to the patient before the operation to prevent unrealistic expectations and legal procedures. EVIDENCE ACQUISITION: An extensive review of the literature was carried out using Medline, Embase, and the Cochrane Database of Systematic Reviews from 1980 to 2010. The focus was on randomised controlled trials (RCTs) and meta-analyses of RCTs (level 1 evidence) and on well-designed studies without randomisation (level 2 and 3 evidence). A total of 113 unique records were identified for consideration. Non-English language publications were excluded as well as studies published as abstracts only or reports from meetings. EVIDENCE SYNTHESIS: The guidelines discuss indications and contraindications for vasectomy, preoperative patient information and counselling, surgical techniques, postoperative care and subsequent semen analysis, and complications and late consequences. CONCLUSIONS: Vasectomy is intended to be a permanent form of contraception. There are no absolute contraindications for vasectomy. Relative contraindications may be the absence of children, age <30 yr, severe illness, no current relationship, and scrotal pain. Preoperative counselling should include alternative methods of contraception, complication and failure rates, and the need for postoperative semen analysis. Informed consent should be obtained before the operation. Although the use of mucosal cautery and fascial interposition have been shown to reduce early failure compared to simple ligation and excision of a small vas segment, no robust data show that a particular vasectomy technique is superior in terms of prevention of late recanalisation and spontaneous pregnancy after vasectomy. After semen analysis, clearance can be given in case of documented azoospermia and in case of rare nonmotile spermatozoa in the ejaculate at least 3 mo after the procedure.


Assuntos
Vasectomia/métodos , Vasectomia/normas , Humanos , Masculino
9.
Eur J Pediatr Surg ; 21(6): 351-5, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21879460

RESUMO

AIM: Surgical findings were studied to find an explanation for the phenomenon that some acquired undescended testes (UDT) descend spontaneously whereas others need orchiopexy. METHODS: In patients with acquired UDT spontaneous descent was awaited until at least Tanner stage P2G2. Orchiopexy was performed when a stable scrotal position had not been achieved by the end of follow-up. RESULTS: Orchiopexy was needed in 57 of 132 cases (43%). In cases requiring orchiopexy, the difference in testis volume compared to the contralateral healthy testis was significantly larger than for spontaneously descended testes. 41 (72%) undescended testes were found in the superficial inguinal pouch; 16 (28%) at the external annulus. 26 of the 41 testes in the superficial inguinal pouch position (63%) could be manipulated preoperatively into a non-stable scrotal position; 15 could only reach the scrotal entrance prior to surgery. None of the 16 testes located at the external annulus could reach a scrotal position. Inguinal exploration in most cases revealed a fibrous string or a partially open processus vaginalis. CONCLUSION: The mobility of acquired UDT located within the external annulus is limited. It is mainly the fibrous string and the partially open processus vaginalis that prevent normal elongation of the spermatic cord with growth. These testes are unlikely to descend spontaneously. Acquired UDT lying in the superficial inguinal pouch can often be pushed down well below the scrotal entrance. We speculate that under normal hormonal stimulation at puberty, some of these growing testes may overcome the strength of the fibrous string in the spermatic cord and descend again spontaneously.


Assuntos
Criptorquidismo/cirurgia , Orquidopexia/métodos , Puberdade , Testículo/crescimento & desenvolvimento , Adolescente , Criança , Pré-Escolar , Criptorquidismo/diagnóstico , Diagnóstico Diferencial , Seguimentos , Humanos , Lactente , Masculino , Estudos Retrospectivos , Testículo/cirurgia
11.
J Androl ; 32(1): 70-6, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-20467050

RESUMO

Because of changes in the society, couples in Western countries are increasingly delaying reproduction. This is accompanied by unhealthy lifestyles that may be detrimental not only to general health but also to reproductive capacity. It is well known that maternal age has detrimental effects on fertility; the paternal influence on this outcome is largely unknown. This study aims to investigate associations between a paternal age below 60 years, lifestyles, and sperm quality. In a periconceptional prospective cohort study we included 227 men undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) treatment. Age at sperm collection, lifestyles, cause of subfertility, ethnicity, sperm DNA fragmentation index (DFI; as marker of sperm DNA damage), and sperm parameters were determined. Linear regression analyses showed a positive association between a rising age from 26 to 59 years and DFI (P ≤ .01) and an inverse association with ejaculate volume (P ≤ .05). Inverse associations were determined between DFI and all conventional sperm parameters (all P ≤ .01). There were no associations between smoking, alcohol use, body mass index, and DFI and sperm parameters. Dutch men compared to migrants, however, showed a higher DFI (P ≤ .05) independent of lifestyles. We conclude that the trend of delaying fatherhood in men undergoing IVF or ICSI treatment is detrimental to sperm quality.


Assuntos
Idade Paterna , Espermatozoides , Adulto , Fragmentação do DNA , Fertilização In Vitro , Humanos , Estilo de Vida , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Análise do Sêmen , Injeções de Esperma Intracitoplásmicas
12.
Hum Reprod ; 25(8): 1877-83, 2010 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-20551071

RESUMO

BACKGROUND: We assessed sperm DNA fragmentation index (DFI) in cancer patients before and after treatment to evaluate if sperm DNA integrity is compromised by cancer itself or its treatment. METHODS: In a prospective study, DFI was assessed in 127 patients diagnosed with testicular germ cell tumours (TGCT), Hodgkin's lymphoma (HL), non-Hodgkin's lymphoma (NHL) and various malignancies. The severity of cancer and tumour markers at diagnosis was recorded. Follow-up DFI after treatment was available in 52 patients who were mostly less severely affected. RESULTS: In patients diagnosed with TGCT, HL and various malignancies, pretreatment DFI levels were not significantly different from that of proven fertile controls, but in patients with NHL an increased DFI was found. An overall significant decrease in post-treatment DFI (13.2% range 5.0-70.5) compared with pretreatment values (17.1% range 5.1-66.6) was found (P = 0.040). In TGCT patients, post-treatment DFI was significantly higher in patients who were treated with radiotherapy (16.9% range 11.5-39.9) compared with that in patients treated with chemotherapy (CT) alone (10.9% range 5.5-39.9) (P = 0.037). In HL patients, the type of treatment or number of CT cycles was not associated with DFI. Overall, post-treatment DFI in cancer patients was not significantly different from that of proven fertile controls. CONCLUSIONS: In this study, the presence of cancer does not seem to negatively affect the sperm DNA integrity in TGCT and HL patients; only NHL patients showed increased DFI at the time of diagnosis compared with healthy controls. Our results confirm previous reports that DFI decreases significantly following various anti-cancer treatments. In contrast, radiotherapy in TGCT patients is associated with an increase in DFI compared with CT treatment alone.


Assuntos
Antineoplásicos/efeitos adversos , Fragmentação do DNA , Espermatozoides/efeitos dos fármacos , Doença de Hodgkin/tratamento farmacológico , Doença de Hodgkin/radioterapia , Humanos , Linfoma não Hodgkin/tratamento farmacológico , Linfoma não Hodgkin/radioterapia , Masculino , Neoplasias Embrionárias de Células Germinativas/tratamento farmacológico , Neoplasias Embrionárias de Células Germinativas/radioterapia , Análise do Sêmen , Neoplasias Testiculares/tratamento farmacológico , Neoplasias Testiculares/radioterapia
13.
Int J Androl ; 33(4): 597-603, 2010 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-19845800

RESUMO

Testicular microlithiasis (TM) is sometimes observed during scrotal ultrasound examinations in men. It has been suggested that TM is more prevalent in testes of men at risk for testicular carcinoma in situ (CIS), the precursor cells of all testicular germ cell tumours (TGCT). We have performed a retrospective analysis of ultrasound images and additional clinical data of a selected cohort of men and have determined the risk factor of TM and other ultrasound abnormalities for testicular CIS. Between 2002 and 2007, 176 testicular biopsies were performed in men with abnormalities found on the scrotal ultrasound. TM was found in 76/176 men (43.2%) and CIS was diagnosed in 20 of these men (26.3%). Here, we focused on the group of 76 men with TM to determine additional risk factors, besides TM, for CIS. In both groups, those with and without CIS, reproductive hormones, scrotal ultrasound images and patient history were compared. Predictive ultrasound findings for CIS were TM (sensitivity 100%, 95% CI: 0.8-1.0; specificity 64.1%, 95% CI: 0.6-0.7; PPV 26.3%, 95% CI: 0.2-0.4) and within this group an inhomogeneous testicular parenchyma (OR 16.1, 95% CI 2.4-106.8; sensitivity 75.0%, 95% CI: 0.5-0.9; specificity 79.0%, 95% CI: 0.7-0.9; PPV 50.0%, 95% CI: 0.3-0.7). Other significantly ultrasound characteristics for CIS in this population with TM were clusters of TM (p = 0.02) and intra-testicular lesions (p = 0.01). Men with CIS were found to have significantly lower values of inhibin-B (p = 0.02). Clusters of TM, intra-testicular lesions and lower values of inhibin-B were not significantly different in logistic regression analysis. TM on scrotal ultrasound of men with risk factors for TGCT and men with clinical signs of testicular maldevelopment has a high predictive value for CIS. However, the predictive value of an inhomogeneous testicular parenchyma, besides TM, for CIS is much higher.


Assuntos
Carcinoma in Situ/diagnóstico por imagem , Litíase/diagnóstico por imagem , Doenças Testiculares/diagnóstico por imagem , Neoplasias Testiculares/diagnóstico por imagem , Testículo/diagnóstico por imagem , Adulto , Humanos , Inibinas/sangue , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Estudos Retrospectivos , Risco , Escroto/diagnóstico por imagem , Neoplasias Testiculares/etiologia , Ultrassonografia
15.
Hum Reprod ; 24(6): 1304-12, 2009 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-19228759

RESUMO

BACKGROUND This study investigates whether dietary patterns, substantiated by biomarkers, are associated with semen quality. METHODS In 161 men of subfertile couples undergoing in vitro fertilization treatment in a tertiary referral clinic in Rotterdam, the Netherlands, we assessed nutrient intakes and performed principal component factor analysis to identify dietary patterns. Total homocysteine (tHcy), folate, vitamin B12 and B6 were measured in blood and seminal plasma. Semen quality was assessed by sperm volume, concentration, motility, morphology and DNA fragmentation index (DFI). Linear regression models analyzed associations between dietary patterns, biomarkers and sperm parameters, adjusted for age, body mass index (BMI), smoking, vitamins and varicocele. RESULTS The 'Health Conscious' dietary pattern shows high intakes of fruits, vegetables, fish and whole grains. The 'Traditional Dutch' dietary pattern is characterized by high intakes of meat, potatoes and whole grains and low intakes of beverages and sweets. The 'Health Conscious' diet was inversely correlated with tHcy in blood (beta = -0.07, P = 0.02) and seminal plasma (beta = -1.34, P = 0.02) and positively with vitamin B6 in blood (beta = 0.217, P = 0.01). An inverse association was demonstrated between the 'Health Conscious' diet and DFI (beta = -2.81, P = 0.05). The 'Traditional Dutch' diet was positively correlated with red blood cell folate (beta = 0.06, P = 0.04) and sperm concentration (beta = 13.25, P = 0.01). CONCLUSIONS The 'Health Conscious' and 'Traditional Dutch' dietary pattern seem to be associated with semen quality in men of subfertile couples.


Assuntos
Comportamento Alimentar , Fertilização In Vitro , Avaliação Nutricional , Sêmen , Injeções de Esperma Intracitoplásmicas , Adulto , Animais , Biomarcadores , Grão Comestível , Peixes , Frutas , Humanos , Masculino , Pessoa de Meia-Idade , Países Baixos , Verduras
16.
Int J Androl ; 32(4): 279-87, 2009 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-19207616

RESUMO

Testicular microlithiasis (TM) has been associated with testicular germ cell tumours (TGCTs) in adolescents and adults and with its precursor carcinoma in situ (CIS). A clear definition of TM and the need for further diagnostics and follow-up is lacking. We reviewed the literature of TM and its association with TGCT/CIS and current follow-up advises and propose a management approach based on associated risk factors for TGCT. In the literature, a wide variance of TM incidence is reported in different patient populations. A consensus concerning the malignant potential of TM has not been reached. In addition, a clear definition on TM is lacking. Although a correlation between TM and TGCT or CIS is found, precise management and follow-up schedules are absent. We suggest that all hyperechogenic foci smaller than 3 mm without shadowing should be named TM irrespective of their number. In addition, we suggest a management scheme for physicians encountering TM in daily practice. Our algorithm suggests taking a testicular biopsy in a selected patient population with at least one additional risk factor for TGCT. A long-term active follow-up schedule, including ultrasonography and physical examinations, is not indicated in the remaining patients with TM.


Assuntos
Carcinoma in Situ/diagnóstico , Litíase/diagnóstico , Neoplasias Embrionárias de Células Germinativas/diagnóstico , Doenças Testiculares/diagnóstico , Neoplasias Testiculares/diagnóstico , Testículo/patologia , Adolescente , Adulto , Biópsia , Carcinoma in Situ/etiologia , Carcinoma in Situ/terapia , Progressão da Doença , Humanos , Imuno-Histoquímica , Incidência , Litíase/complicações , Litíase/terapia , Masculino , Neoplasias Embrionárias de Células Germinativas/etiologia , Neoplasias Embrionárias de Células Germinativas/terapia , Guias de Prática Clínica como Assunto , Valor Preditivo dos Testes , Prognóstico , Fatores de Risco , Doenças Testiculares/complicações , Doenças Testiculares/terapia , Neoplasias Testiculares/etiologia , Neoplasias Testiculares/terapia , Testículo/diagnóstico por imagem , Ultrassonografia
17.
Int J Androl ; 32(6): 666-74, 2009 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-18798762

RESUMO

Carcinoma in situ (CIS) is the common precursor of all type II testicular germ cell tumors (TGCTs), i.e. seminomas and non-seminomas, which can be diagnosed using a surgical biopsy. The objective of this study was to investigate the additional value of immunohistochemistry for the diagnosis of CIS in assessing testicular biopsies taken in the context of infertility. A series of 21 infertile patients were retrieved from the Dutch pathological database (PALGA), being diagnosed with an invasive TGCT, while a matched previously obtained testicular biopsy was diagnosed as non-malignant. From 20 patients, both the invasive tumors as well as the biopsies were revised using morphology and immunohistochemistry for OCT3/4, placental-like alkaline phosphatase and c-KIT, all known established markers for CIS. The presence of CIS or invasive malignancies was scored. There are no interventions. Morphological criteria alone allowed an experienced pathologist in TGCTs to diagnose CIS in five and an invasive tumor in two cases (total n = 7, 35%). Application of immunohistochemistry resulted in the identification of an additional four cases of CIS (total n = 11, 55%, additional value of 20%). The initial correct diagnosis of CIS could have prevented a second gonadectomy in four patients (20%). This study, for the first time, really shows that time of progression from CIS to seminoma is longer than to non-seminoma. Our study demonstrates that immunohistochemistry should be performed for the diagnosis of CIS of the testis on single biopsies obtained because of infertility, resulting in an extra diagnostic yield of at least 20%. Application of this protocol will allow early diagnosis, and therefore prevent any adverse anti-cancer treatment sequelae including gonadectomy, and requiring life long androgen supplementation in some patients.


Assuntos
Neoplasias Embrionárias de Células Germinativas/patologia , Neoplasias Testiculares/diagnóstico , Neoplasias Testiculares/patologia , Adolescente , Adulto , Fosfatase Alcalina , Biópsia , Carcinoma/patologia , Humanos , Imuno-Histoquímica , Isoenzimas , Masculino , Seminoma/patologia , Testículo/patologia
18.
Fertil Steril ; 90(6): 2245-50, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-18191846

RESUMO

OBJECTIVE: To assess the use rate and assisted reproductive technologies (ART) outcome of the cryopreserved semen of cancer patients with an average follow-up of 7 years (range, 2-23 years). DESIGN: Retrospective data analysis. SETTING: University-affiliated andrology and reproduction center. PATIENT(S): Six hundred twenty-nine male cancer patients who were referred for semen cryopreservation between 1983 and 2004. INTERVENTION(S): Review of patient characteristics and ART outcome. MAIN OUTCOME MEASURE(S): Use rate and live births using cryopreserved semen. RESULT(S): A total of 749 semen samples from 557 men were preserved. Ninety-one patients died during follow-up, and another 29 requested disposal. Forty-two patients requested the use of their banked semen. ART data were available for 37 patients. A total of 101 ART cycles (32 IVF, 53 intracytoplasmic sperm injection [ICSIs], nine cryo-ET, and seven intrauterine inseminations [IUIs]) were performed, resulting in, respectively, 8, 16, 2, and 1 pregnancies. Pregnancies rates for IVF and ICSI were significantly higher than those for IUI. CONCLUSION(S): So far, 7.5% of the cancer survivors have used their banked semen, which led to live births in 49% of the couples. Semen cryopreservation is a reliable method to preserve fertility potential and gives couples a reasonable chance of achieving parenthood.


Assuntos
Antineoplásicos/efeitos adversos , Criopreservação , Infertilidade Masculina/terapia , Neoplasias/terapia , Técnicas de Reprodução Assistida , Preservação do Sêmen , Bancos de Esperma , Adolescente , Adulto , Criopreservação/estatística & dados numéricos , Feminino , Humanos , Infertilidade Masculina/etiologia , Nascido Vivo , Masculino , Pessoa de Meia-Idade , Gravidez , Taxa de Gravidez , Radioterapia/efeitos adversos , Técnicas de Reprodução Assistida/estatística & dados numéricos , Estudos Retrospectivos , Preservação do Sêmen/estatística & dados numéricos , Bancos de Esperma/estatística & dados numéricos , Fatores de Tempo , Resultado do Tratamento , Adulto Jovem
19.
Int J Impot Res ; 20(1): 92-9, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-17728804

RESUMO

The possible relationship between erectile dysfunction and the later occurrence of cardiovascular disease while biologically plausible has been evaluated in only a few studies. Our objective is to determine the relation between ED as defined by a single question on erectile rigidity and the later occurrence of myocardial infarction, stroke and sudden death in a population-based cohort study. In Krimpen aan den IJssel, a municipality near Rotterdam, all men aged 50-75 years, without cancer of the prostate or the bladder, without a history of radical prostectomy, neurogenic bladder disease, were invited to participate for a response rate of 50%. The answer to a single question on erectile rigidity included in the International Continence Society male sex questionnaire was used to define the severity of erectile dysfunction at baseline. Data on cardiovascular risk factors at baseline (age smoking, blood pressure, total- and high-density lipoprotein cholesterol, diabetes) were used to calculate Framingham risk scores. During an average of 6.3 years of follow-up, cardiovascular end points including acute myocardial infarction, stroke and sudden death were determined. Of the 1248 men free of CVD at baseline, 258 (22.8%) had reduced erectile rigidity and 108 (8.7%) had severely reduced erectile rigidity. In 7945 person-years of follow-up, 58 cardiovascular events occurred. In multiple variable Cox proportional hazards model adjusting for age and CVD risk score, hazard ratio was 1.6 (95% confidence interval (CI): 1.2-2.3) for reduced erectile rigidity and 2.6 (95% CI: 1.3-5.2) for severely reduced erectile rigidity. The population attributable risk fraction for reduced and severely reduced erectile rigidity was 11.7%. In this population-based study, a single question on erectile rigidity proved to be a predictor for the combined outcome of acute myocardial infarction, stroke and sudden death, independent of the risk factors used in the Framingham risk profile.


Assuntos
Doenças Cardiovasculares/complicações , Doenças Cardiovasculares/epidemiologia , Disfunção Erétil/complicações , Disfunção Erétil/epidemiologia , Idoso , Estudos de Coortes , Comorbidade , Morte Súbita Cardíaca/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/complicações , Infarto do Miocárdio/epidemiologia , Países Baixos , Fatores de Risco , Índice de Gravidade de Doença , Acidente Vascular Cerebral/complicações , Acidente Vascular Cerebral/epidemiologia , Inquéritos e Questionários
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