Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 589
Filtrar
1.
J Urol ; 206(4): 1031-1037, 2021 10.
Artigo em Inglês | MEDLINE | ID: mdl-34033504

RESUMO

PURPOSE: Testicular temperature should remain low to maintain optimal function of germ cells; however, information regarding testicular temperature in infants and the effect of cryptorchidism and its correction, including laparoscopic staged Fowler-Stephens orchiopexy (LSFSO), is limited. MATERIALS AND METHODS: A total of 82 infants with unilateral palpable cryptorchidism, 24 with nonpalpable testes who underwent unilateral LSFSO and 20 with scrotal hydrocele were included. Ultrasonographic determination of testicular volume and measurement of testicular temperature but not scrotal surface temperature using a Coretemp CTM204® (Terumo, Tokyo) were performed before and 12 months after orchiopexy. The effects of the route of testicular delivery, conventionally through a new hiatus medial to the inferior epigastric vessels or through the transinguinal approach, were investigated in the LSFSO cases. RESULTS: Undescended testicular volume was significantly increased after orchiopexy (0.80 ml to 0.92 ml, p <0.0001). The preoperative testicular temperature (35.1C) was significantly higher than that of the control (34.4C, p <0.0001), and significant decreases in testicular temperature occurred after orchiopexy (34.3C, p <0.0001). A multivariate analysis showed that a decrease in testicular temperature was a factor associated with postoperative testicular development. Twelve months after LSFSO, transinguinal approach was shown to be more effective in decreasing the testicular temperature than the conventional approach (34.4 and 35.3C, respectively, p <0.05). CONCLUSIONS: Orchiopexy is effective in correcting the high-temperature environment caused by cryptorchidism. In the case of nonpalpable testes treated by LSFSO, transinguinal fixation is more effective than the conventional approach in reducing testicular temperature, but a longer followup period is necessary to draw a final conclusion.


Assuntos
Criptorquidismo/cirurgia , Orquidopexia , Escroto/fisiopatologia , Testículo/fisiopatologia , Criptorquidismo/diagnóstico por imagem , Criptorquidismo/patologia , Criptorquidismo/fisiopatologia , Humanos , Lactente , Masculino , Tamanho do Órgão , Estudos Retrospectivos , Escroto/diagnóstico por imagem , Escroto/patologia , Escroto/cirurgia , Temperatura , Testículo/diagnóstico por imagem , Testículo/patologia , Testículo/cirurgia , Resultado do Tratamento , Ultrassonografia
2.
J Pediatr Endocrinol Metab ; 34(7): 917-924, 2021 Jul 27.
Artigo em Inglês | MEDLINE | ID: mdl-33894111

RESUMO

OBJECTIVES: To study the effect of combined gonadotropin therapy (CGT) on testicular descent ± spermatogenesis in congenital hypogonadotropic hypogonadism (CHH) patients with cryptorchidism beyond infancy. METHODS: This retrospective cohort study included CHH patients with cryptorchidism [bilateral (n=5) or unilateral (n=1)] treated with CGT for testicular descent ± pubertal induction. All participants were treated with CGT [human menopausal gonadotropin (hMG) and human chorionic gonadotropin (hCG)] with hMG pretreatment in three and monitored for changes in testicular volume (TV), serum total testosterone (T), serum inhibin-B, and sperm concentration. RESULTS: Complete testicular descent to the scrotal position was achieved in 5/6 patients (10/11 testes) after 4.7 ± 1.6 months of treatment. There was 44 ± 18%, 97.5% (IQR: 44-195), 10-fold (IQR: 3-19.6), and two-fold (IQR: 1.7-9.3) increase in stretched penile length, ultrasound measured TV, T level, and serum inhibin-B from baseline, respectively. In two pediatric cases, testicular descent occurred with isolated hMG therapy. At the last follow up (median: 23.5, IQR: 10.5-38.7 months), all the descended testes remained in scrotal position. In four pubertal/postpubertal age patients, continuous CGT (18-60 months) yielded T and inhibin-B levels of 16.64 ± 1.46 nmol/l and 106 ± 32.6 pg/mL, respectively. All the three patients with available semen analysis had sperm concentration of ≥5 million/mL and one of them achieved paternity. CONCLUSIONS: A trial of CGT before orchiopexy may be considered in CHH males with cryptorchidism even beyond the narrow age-window of infancy. CGT may also have beneficial effects on future spermatogenesis and fertility outcomes in these patients.


Assuntos
Criptorquidismo/tratamento farmacológico , Gonadotropinas/uso terapêutico , Hipogonadismo/tratamento farmacológico , Testículo/efeitos dos fármacos , Adolescente , Criptorquidismo/fisiopatologia , Fertilidade/efeitos dos fármacos , Humanos , Hipogonadismo/fisiopatologia , Masculino , Estudos Retrospectivos , Espermatogênese/efeitos dos fármacos , Testículo/fisiopatologia , Adulto Jovem
3.
Asian J Androl ; 23(5): 468-471, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33723095

RESUMO

This study aimed to review and compare the characteristics and treatment outcomes of cryptorchid testicular torsion in pre- and postpubertal children. We reviewed the clinical data of 22 patients with testicular torsion complicated by cryptorchidism who were treated between January 2010 and December 2019. Patients were categorized into prepubertal (1 month to 9 years; n = 12) and postpubertal groups (10-16 years; n = 10). The age at presentation, clinical presentations, physical examination, and operation outcomes were assessed. The common clinical presentations in both groups were inguinal pain and a tender inguinal mass. Patients in the prepubertal group were significantly more likely to present with restlessness (33.3%) than those in the postpubertal group (0%; P = 0.044). After detorsion, testicular blood flow recovered during surgery in 25.0% of the prepubertal and 80.0% of the postpubertal patients (P = 0.010). Orchiectomy was required in 50.0% of the prepubertal and 20.0% of the postpubertal patients (P = 0.145). Of the 22 patients with follow-up data, the rates of testicular salvage were significantly different, at 16.7% in the prepubertal patients and 60.0% in the postpubertal patients (P = 0.035). Cryptorchid testicular torsion has various manifestations. Although an empty hemiscrotum and a painful groin mass were common in both groups, restlessness was more prevalent in the prepubertal patients during early testicular torsion onset than that in the postpubertal patients. Notably, the testicular salvage rate was significantly lower in the prepubertal patients than that in the postpubertal patients.


Assuntos
Criptorquidismo/complicações , Torção do Cordão Espermático/etiologia , Criança , Pré-Escolar , Criptorquidismo/fisiopatologia , Criptorquidismo/cirurgia , Humanos , Lactente , Masculino , Estudos Retrospectivos , Terapia de Salvação/métodos , Torção do Cordão Espermático/cirurgia , Testículo/cirurgia , Resultado do Tratamento
4.
Reprod Fertil Dev ; 33(5): 328-337, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33602390

RESUMO

This study aimed to analyse global metabolomic changes associated with trans-resveratrol (RSV) treatment in mice with cryptorchidism using untargeted metabolomics. Cryptorchidism was established surgically in Kunming mice, which were then treated with 20µg g-1 day-1, s.c., RSV for 35 consecutive days. Typical manifestations of spermatogenesis arrest were seen in mice with cryptorchidism, and RSV treatment for 35 days restored spermatogenesis. Liquid chromatography-tandem mass spectrometry was used to profile the metabolome of testes from mice in the control (non-cryptorchid, untreated), cryptorchid and RSV-treated cryptorchid groups. In all, 1386 and 179 differential metabolites were detected in the positive and negative modes respectively. Seven and six potential biomarkers were screened for spermatogenesis arrest and restoration respectively. Pathway analysis showed changes in 197 metabolic pathways. The hexosamine biosynthesis pathway was inhibited in the cryptorchid group, which probably resulted in a decrease in the end product, uridine diphosphate N-acetylglucosamine (UDP-GlcNAc). Immunoblot analysis showed that total testicular protein O-linked ß-N-acetylglucosamine glycosylation was related to spermatogenesis arrest, further indicating a decrease in UDP-GlcNAc in the cryptorchid group. Thus, untargeted metabolomics revealed the biochemical pathways associated with the restoration of metabolic status in the cryptorchid group following RSV treatment and the findings could be used to monitor the response to RSV treatment. This study provides a meaningful foundation for the future clinical application of RSV in the treatment of spermatogenesis dysfunction.


Assuntos
Criptorquidismo/tratamento farmacológico , Criptorquidismo/fisiopatologia , Metabolômica , Resveratrol/uso terapêutico , Testículo/metabolismo , Animais , Biomarcadores/análise , Criptorquidismo/etiologia , Glicosilação/efeitos dos fármacos , Masculino , Camundongos , Espermatogênese/efeitos dos fármacos , Testículo/química , Testículo/patologia , Uridina Difosfato N-Acetilglicosamina/metabolismo
5.
Zhonghua Nan Ke Xue ; 26(2): 139-142, 2020 Feb.
Artigo em Chinês | MEDLINE | ID: mdl-33346417

RESUMO

OBJECTIVE: To investigate the impact of unilateral cryptorchidism (UC) on penile development in children. METHODS: We collected the relevant data on 491 male children aged 12-24 months from January 2017 to January 2019, including 241 normal healthy subjects (the control group) and 250 UC patients (the UC group, 123 with intra-abdominal and the other 127 with inguinal cryptorchidism). We measured the stretched penile length (SPL) in the flaccid state and analyzed its association with the height and weight of the subjects. RESULTS: The average SPL of the UC patients was significantly shorter than that of the normal controls (ï¼»3.7 ± 0.5ï¼½ vs ï¼»4.3 ± 0.8ï¼½ cm, P < 0.01), and so was that of the UC patients in the 12-18 and 19-24 months age groups than that of the normal controls in the same age groups (P < 0.01). Besides, the SPL was also markedly shorter in the intra-abdominal UC than in the inguinal UC group (ï¼»3.4 ± 0.2ï¼½ vs ï¼»3.8 ± 0.3ï¼½ cm, P < 0.05). No statistically significant differences, however, were observed in the height and weight of the subjects between the UC and normal control groups. CONCLUSIONS: The penile length of the boy with unilateral cryptorchidism is shorter than that of the normal healthy child, the higher the testis location, the shorter the penile length.


Assuntos
Criptorquidismo/fisiopatologia , Pênis/patologia , Estatura , Peso Corporal , Estudos de Casos e Controles , Humanos , Lactente , Masculino
6.
Andrology ; 8(6): 1770-1778, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32683775

RESUMO

BACKGROUND: Testicular germ cell tumour is a multifactorial disease in which various genetic and environmental factors play a role. Testicular germ cell tumour is part of the testicular dysgenesis syndrome which includes also cryptorchidism, hypospadias, oligo/azoospermia and short anogenital distance. OBJECTIVES: The primary objective was to examine anogenital distance in testicular germ cell tumour cases and healthy fertile controls. The secondary objective was to assess the (CAG)n polymorphism of the Androgen Receptor gene in relationship with anogenital distances and testicular germ cell tumour development. MATERIAL AND METHODS: 156 testicular germ cell tumour patients and 110 tumour-free normozoospermic controls of Spanish origin. All subjects underwent full andrological workup (including semen and hormone analysis) and genetic analysis (Androgen Receptor (CAG)n). The main outcome measures were the anopenile distance (AGDap), the anoscrotal distance (AGDas) and AR(CAG)n. RESULT: We observed significantly shorter anogenital distances in the group of testicular germ cell tumour patients in respect to controls (P < .001) independently from sperm count and testis histology. Threshold values, applicable only to our cohort, were calculated for anogenital distances with the best sensitivity and specificity. Subjects with AGDap and AGDas below threshold showed a significantly increased risk for testicular germ cell tumour (OR = 4.97, 95% CI = 2.01-12.33, P = .001 and OR = 4.11, 95% CI = 1.89-8.92, P ≤ .001, respectively). No significant correlation was observed between AR(CAG)n polymorphism and anogenital distances. The median values of the AR(CAG)n were similar between cases and controls, excluding a major role for this polymorphism in the etiopathogenesis of these testicular dysgenesis syndrome components. CONCLUSIONS: Ours is the first study focusing on anogenital distances in testicular germ cell tumour patients. We identified short anogenital distances (which is a surrogate biomarker of androgen action during foetal life) as a significant risk factor for this disease. After further validation of our preliminary data, anogenital distance measurement could become part of testicular germ cell tumour screening in order to better define those individuals who would benefit from long-term active follow-up.


Assuntos
Canal Anal/anatomia & histologia , Criptorquidismo/fisiopatologia , Hipospadia/fisiopatologia , Neoplasias Embrionárias de Células Germinativas/fisiopatologia , Escroto/anatomia & histologia , Neoplasias Testiculares/fisiopatologia , Adulto , Androgênios/metabolismo , Humanos , Masculino , Pênis/anatomia & histologia , Polimorfismo de Nucleotídeo Único/genética , Estudos Prospectivos , Receptores Androgênicos/genética , Sêmen/fisiologia , Análise do Sêmen , Espanha , Testículo/anatomia & histologia
7.
Andrology ; 8(5): 1398-1408, 2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32196966

RESUMO

BACKGROUND: Cryptorchidism is known to impair spermatogenesis. The blood-testis barrier (BTB) becomes defined in seminiferous tubules around puberty and provides a suitable environment for germ cells. Little is known about the BTB in undescended testes (UDT). OBJECTIVES: To determine the role of BTB during puberty in UDT using a non-surgical cryptorchid rat model. MATERIAL AND METHODS: Unilateral cryptorchid male rats were intraperitoneally injected with non-steroidal antiandrogen during intrauterine development; the testes were harvested at 4, 5, and 6 weeks after birth. Testicular histology, expression levels of the BTB proteins (claudin-11, occludin, zonula occludens-1), and apoptotic cells were evaluated by immunohistochemistry, Western blotting, and TUNEL assay. The functionality of the BTB was investigated by electron microscopy using the lanthanum tracer method. RESULTS: The testicular histology of undescended testes 6 weeks after birth showed maturation arrest at the spermatocyte level. The BTB protein distributions were altered in the UDT, with a noticeable difference in claudin-11(CLDN11) localization from 4 to 5 weeks after birth between control and UDT samples. BTB protein levels were similar. More apoptotic germ cells were detected in the adluminal compartment of tubules in the UDT than in the control testes. Electron microscopy showed that the lanthanum tracer was limited to the BTB of control testes, whereas it penetrated the BTB of UDT. DISCUSSION: Here, loss of normal BTB function and impaired spermatogenesis were observed in UDT during puberty. CLDN11 is a pivotal tight junction protein belonging to the BTB. Tight junctions are considered as essential for normal spermatogenesis, and abnormal CLDN11 organization may cause UDT-associated male infertility. CONCLUSION: CLDN11 disorganization within the BTB may cause spermatogenic impairment, possibly by limiting the BTB function.


Assuntos
Barreira Hematotesticular/patologia , Claudinas/metabolismo , Criptorquidismo/patologia , Criptorquidismo/fisiopatologia , Maturidade Sexual/fisiologia , Animais , Barreira Hematotesticular/metabolismo , Barreira Hematotesticular/fisiopatologia , Criptorquidismo/metabolismo , Masculino , Ratos , Ratos Sprague-Dawley , Espermatogênese/fisiologia , Junções Íntimas/metabolismo , Junções Íntimas/patologia
8.
Food Chem Toxicol ; 139: 111256, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32171874

RESUMO

Exposure to endocrine-disrupting compounds (EDCs) during pregnancy can result in negative health effects in later generations, including sex changes and feminization. The present study assessed the feminization effects on male offspring rats of three EDCs: Dienestrol (DIES), Linuron (LIN), and Flutamide (FLU). Sexually mature female rats were exposed from gestation day (GD) 6 until postnatal day (PND) 21 to: 0.37, 0.75, 1.5, 3.12 or 6.25 µg/kg/day of DIES, 1.5, 3, 6, 12.5, 25 or 50 mg/kg/day of LIN, 3.5, 6.7, 12.5, 25 or 50 mg/kg/day of FLU, and the following mixtures: FLU + DIES (mg/kg/day+µg/kg/day), 3.5 + 0.37, or 3.5 + 3, 25 + 0.37, or 25 + 3; FLU + LIN (mg/kg/day + mg/kg/day), 3.5 + 12.5, or 25 + 12.5; and DIES + LIN (µg/kg/day + mg/kg/day), 0.37 + 12.5, or 3 + 12.5. Anogenital distance (AGD), nipple retention (NR) and cryptorchidism were evaluated. FLU produced a decrease of AGD, an increase of NR, and an increase of cryptorchidism at the highest dose. None of these three endpoints were significantly affected by LIN or DIES treatments alone. Combinations of FLU + LIN and FLU + DIES increased NR, and decreased AGD, while DIES + LIN did not produce any effects in male pups. Results show that FLU is able to induce feminization in male pups, while binary combinations of LIN and DIES did not modify the effects produced by FLU.


Assuntos
Dienestrol/toxicidade , Flutamida/toxicidade , Linurona/toxicidade , Exposição Materna/efeitos adversos , Animais , Animais Recém-Nascidos , Criptorquidismo/induzido quimicamente , Criptorquidismo/fisiopatologia , Relação Dose-Resposta a Droga , Determinação de Ponto Final , Feminino , Feminização/induzido quimicamente , Feminização/fisiopatologia , Masculino , Mamilos/anormalidades , Mamilos/efeitos dos fármacos , Tamanho do Órgão/efeitos dos fármacos , Gravidez , Efeitos Tardios da Exposição Pré-Natal/induzido quimicamente , Efeitos Tardios da Exposição Pré-Natal/fisiopatologia , Ratos , Ratos Sprague-Dawley , Testículo/anormalidades , Testículo/efeitos dos fármacos
9.
J Urol ; 203(4): 832-840, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31642739

RESUMO

PURPOSE: One of the concerns surrounding cryptorchidism is the risk of impaired fertility. Current guidelines recommend orchiopexy at age 6 to 12 months to optimize fertility outcome. We evaluated the fertility potential of boys with nonsyndromic cryptorchidism who underwent orchiopexy within the recommended age range to clarify the need for eventual supplemental treatment modalities. MATERIALS AND METHODS: We retrospectively evaluated mini-puberty hormones (follicle-stimulating hormone, luteinizing hormone and inhibin B) and testicular biopsies from boys with cryptorchidism who underwent orchiopexy within the first year of life between 2010 and 2019. We histologically analyzed germ cell number and type A dark spermatogonia number per seminiferous tubule cross-section in relation to normal values. RESULTS: Of the 333 boys with nonsyndromic cryptorchidism 83 (25%, 21% with bilateral cryptorchidism) had a reduced number of germ cells. A total of 70 boys (21%) had low serum inhibin B, of whom 32 (46%) had a decreased number of germ cells and 23 (33%) had a decreased number of type A dark spermatogonia (p <0.01). Overall, 75 boys (23%) had no type A dark spermatogonia present. CONCLUSIONS: Despite early and successful orchiopexy, 20% to 25% of boys with cryptorchidism may be at risk for infertility based on hormonal and histological data. Blood test and testicular biopsy are mandatory to identify boys at high risk for infertility, in whom additional treatment modalities and followup may be needed.


Assuntos
Criptorquidismo/cirurgia , Fertilidade/fisiologia , Infertilidade Masculina/epidemiologia , Orquidopexia , Espermatogônias/patologia , Biópsia , Pré-Escolar , Criptorquidismo/complicações , Criptorquidismo/fisiopatologia , Humanos , Lactente , Infertilidade Masculina/sangue , Infertilidade Masculina/etiologia , Infertilidade Masculina/patologia , Inibinas/sangue , Masculino , Estudos Retrospectivos , Medição de Risco , Túbulos Seminíferos/citologia , Túbulos Seminíferos/patologia , Maturidade Sexual/fisiologia , Espermatogônias/citologia , Resultado do Tratamento
10.
Aktuelle Urol ; 51(2): 178-182, 2020 Apr.
Artigo em Alemão | MEDLINE | ID: mdl-31752039

RESUMO

Undescended testes are a very common congenital problem of the urogenital tract. Altered spermatogenesis and fertility as well as an elevated risk for oncologic degeneration are known facts associated with testicular malposition. There is broad international consensus among the various disciplines that the treatment of undescended testes should be completed by the age of 12 months. Following the guideline of the German Working Group of Scientific Medical Societies (AWMF), hormonal treatment should be offered to patients with bilateral undescended testicles. This article reviews the literature and disputes the reasoning of the recommendation to treat undescended testes hormonally.


Assuntos
Gonadotropina Coriônica/uso terapêutico , Criptorquidismo/tratamento farmacológico , Hormônio Liberador de Gonadotropina/uso terapêutico , Criptorquidismo/fisiopatologia , Humanos , Masculino , Testículo/fisiopatologia
11.
Crit Rev Eukaryot Gene Expr ; 29(2): 123-126, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31679267

RESUMO

OBJECTIVE: In this study, explored the pathologic mechanism of the contralateral testes impairment in unilaterally cryptorchid rats by investigating the gene expression level. METHODS: Thirty male Sprague-Dawley rats were randomly and evenly divided into two groups: cryptorchid group and control group. Cryptorchidism was induced by surgical relocation. RT-PCR was then applied to examine the mRNA expression level of antioxidant enzymes in descended testes, including glutathione peroxidase (GSH-PX), copper/zinc-superoxide dismutase (Cu/Zn-SOD), and catalase (CAT). The concentration of malondialdehyde (MDA) was determined by spectrophotometry. In addition, germ-cell apoptosis was detected by a terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) assay. RESULTS: Two weeks after the operation, the mRNA expression levels of GSH-PX and Cu/Zn-SOD in the cryptorchid group were significantly downregulated; the expression of MDA, as well as the number of apoptotic germ cells, significantly increased compared to the control group (p < 0.01). The mRNA expression of CAT did not show significant changes (p > 0.05). CONCLUSION: GSH-PX and SOD were downregulated in the testis contralateral to the undescended testis, leading to the accumulation of reactive oxygen species and germ-cell apoptosis. Our results may provide molecular explanations for the impairment of the descended testis in unilateral cryptorchidism.


Assuntos
Criptorquidismo/genética , Criptorquidismo/fisiopatologia , Regulação Enzimológica da Expressão Gênica , Oxirredutases/genética , Testículo/fisiopatologia , Animais , Criptorquidismo/enzimologia , Masculino , Distribuição Aleatória , Ratos , Ratos Sprague-Dawley
12.
Behav Sci Law ; 37(5): 512-521, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31389076

RESUMO

Trisomy 20 is a genetic abnormality in which individuals have an extra copy of chromosome 20. Complete trisomy 20 is rare and believed to be incompatible with life. A mosaic form of trisomy 20, in which only some cells or tissues contain the extra chromosome, is a relatively commonly encountered chromosomal abnormality found during prenatal testing, and c. 90% result in a normal phenotype. However, despite the absence of a consistent phenotype, certain findings have been reported across multiple cases of mosaic trisomy 20. These include an array of morphological findings, developmental delays, and learning disabilities. Beyond physical manifestations, a wide range of developmental and learning delays have also been reported. In this work, we provide an overview of the trisomy 20 literature and a case report of a young adult male with mosaic trisomy 20 who committed homicide. His developmental and life history, eventual diagnosis of mosaic trisomy 20, similarities and differences in his condition compared with prior research findings, and potentially new phenotypic findings associated with trisomy 20 that he manifested (childhood visual hallucinations, self-injury, polydactyly) are presented. Additionally, the potential role of this genetic diagnosis in his neuropsychiatric history and its successful application as a mitigating factor at his capital sentencing trial are described. We did not identify other similar cases during our search of major scientific and legal databases. As a backdrop, the use of genetics in criminal trials is on the rise, and courts are increasingly likely to accept behavioral genetics evidence; therefore, it is crucial that the legal system is well acquainted with the opportunities and limitations of these approaches.


Assuntos
Direito Penal , Homicídio/psicologia , Transtornos Mentais/psicologia , Mosaicismo , Trissomia/fisiopatologia , Sobreviventes Adultos de Maus-Tratos Infantis , Cromossomos Humanos Par 20/genética , Criptorquidismo/genética , Criptorquidismo/fisiopatologia , Exposição à Violência , Psiquiatria Legal , Genética Comportamental , Alucinações/genética , Alucinações/fisiopatologia , Alucinações/psicologia , Humanos , Transtornos do Desenvolvimento da Linguagem/genética , Transtornos do Desenvolvimento da Linguagem/fisiopatologia , Transtornos do Desenvolvimento da Linguagem/psicologia , Masculino , Transtornos Mentais/genética , Transtornos Mentais/fisiopatologia , Fenótipo , Polidactilia/genética , Polidactilia/fisiopatologia , Escoliose/genética , Escoliose/fisiopatologia , Trissomia/genética , Adulto Jovem
13.
Sci Rep ; 9(1): 9489, 2019 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-31263127

RESUMO

In this study, we investigated post-orchiopexy testicular growth of undescended testes (UDTs) at different primary locations and determined the risk factors for testicular atrophy (TA). We conducted a retrospective chart review of boys who had undergone orchiopexy for UDTs during January 2001-December 2013. Patient profile, age at operation, primary UDT location, and testicular volume were noted. TA was defined as ≥50% loss of volume after orchiopexy. The primary endpoints were testicular growth and TA after orchiopexy. The secondary endpoint was risk factors for TA. In total, 182 boys had undergone regular ultrasonography; the median follow-up period was 34 months. Among 230 UDTs, 18 (7.8%) atrophic testicles were identified within a median interval of 13 months after orchiopexy. TA rates were 3.3% (1/30), 6.9% (12/173), and 18.5% (5/27) in primary suprascrotal, canalicular, and above-inguinal UDTs, respectively. The survival probability of UDT was 91%, 92% and 100% when orchiopexy was performed in age ≤1 year, 1 < age ≤2 years, and 100% in age >2 years, respectively. Multivariate analysis revealed that inguinal and above-inguinal UDTs (hazard ratio [HR] 11.76, 95% confidence interval [CI] 1.55-89.33, p = 0.017) and genetic or endocrine disorders (HR 3.19, 95% CI 1.19-8.56, p = 0.021) were the risk factors for TA, but not age at operation, premature birth, and laterality. Thus, TA incidence was higher when patients had high primary testicular locations. Early orchiopexy before two years of age may be associated with higher TA risk, while most testicles have promising growth after orchiopexy.


Assuntos
Criptorquidismo , Orquidopexia , Testículo , Adolescente , Adulto , Criança , Criptorquidismo/fisiopatologia , Criptorquidismo/cirurgia , Seguimentos , Humanos , Masculino , Estudos Retrospectivos , Testículo/fisiopatologia , Testículo/cirurgia
14.
Aust J Gen Pract ; 48(1-2): 33-36, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-31117161

RESUMO

BACKGROUND: Undescended testis (UDT) is a common condition, and parents often primarily present to general practitioners. Management in a timely fashion may reduce the risk of malignancy and infertility OBJECTIVES: The aim of this article is to summarise the key points of assessment and management of UDT in the primary care setting. By reviewing key definitions, such as undescended, retractile, ectopic and ascending testes, we aim to provide updated information for the ongoing management of these conditions. DISCUSSION: The exact pathophysiology of UDT is still an area of ongoing research, and there remains much controversy regarding the exact mechanisms leading to congenital and acquired UDT. Current evidence does not support the use of ultrasonography prior to referral. Hormone therapy has shown no significant benefit, and surgery remains the treatment of choice.


Assuntos
Criptorquidismo/diagnóstico , Criptorquidismo/terapia , Clínicos Gerais/educação , Criptorquidismo/fisiopatologia , Educação Médica Continuada/métodos , Clínicos Gerais/tendências , Humanos , Masculino , Testículo/anatomia & histologia , Testículo/fisiopatologia
15.
Asian J Androl ; 21(6): 551-556, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30950413

RESUMO

Pubertal development may be altered in boys with cryptorchidism and hypospadias, but existing knowledge is inconsistent. Therefore, we investigated the association between cryptorchidism and hypospadias and pubertal development in a large cohort study. Boys in the Puberty Cohort, a cohort nested within the Danish National Birth Cohort, were included in this study. Information on cryptorchidism and hypospadias was retrieved from the Danish National Patient Register. From 11 years until 18 years or full pubertal development, information on physical markers of pubertal development was provided biannually, including Tanner stages, axillary hair, acne, voice break, and first ejaculation. In multivariate regression models for interval censored data, the mean (95% confidence intervals [CIs]) differences in months in obtaining the pubertal markers between boys with and without the anomalies were estimated. Among 7698 boys, 196 (2.5%) had cryptorchidism and 60 (0.8%) had hypospadias. Boys with hypospadias experienced first ejaculation and voice break 7.7 (95% CI: 2.5-13.0) months and 4.5 (95% CI: 0.3-8.7) months later than boys without hypospadias. The age at attaining the Tanner stages for gonadal and pubic hair growth was also higher, though not statistically significant. Pubertal development seemed unaffected in boys with mild as well as severe cryptorchidism. In conclusion, hypospadias may be associated with delayed pubertal development, but pubertal development seems unaffected by cryptorchidism. The relation between hypospadias and later pubertal development may be due to the underlying shared in utero risk or genetic factors.


Assuntos
Criptorquidismo/fisiopatologia , Hipospadia/fisiopatologia , Puberdade , Adolescente , Fatores Etários , Criança , Estudos de Coortes , Dinamarca , Humanos , Masculino , Puberdade/fisiologia
17.
J Pediatr Surg ; 54(8): 1654-1659, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-30739749

RESUMO

INTRODUCTION: Neonatal testicular germ cells/gonocytes, transform into stem cells for spermatogenesis during 'minipuberty', driving change in timing of surgery. This study examined gonocyte transformation in cryptorchid testes in children ≤18 months of age with unilateral, bilateral undescended testes (UDT), complete or partial androgen insensitivity syndrome (CAIS, PAIS) [3,4]. MATERIAL AND METHODS: Testicular biopsies were taken from patients with unilateral or bilateral UDT, PAIS or CAIS, aged 10 days-18 months. These testicular sections underwent immunohistochemistry with antibodies (Oct4, Ki67, C-Kit, Sox9) followed by confocal imaging, cell counting and statistical analysis. RESULTS: Both Sertoli cells/tubule and germ cells (GC)/tubule decreased with age, and % empty tubules (no GC) increased with age but with no significant differences between patient groups. Oct4+ germ cells/tubule decreased with age. There are some GCs and Sertoli cells proliferating during the first year and most proliferating Oct4+ germ cells (Oct4+/Ki67+) were located off tubular basement membrane. CONCLUSION: Our study showed that Oct4 expression gradually decreased after minipuberty and transformation into spermatogonia. Germ cells and Sertoli cells undergo mitosis during the first 12 months although not abundantly. We propose that Oct4+ gonocyte transformation into spermatogonia via proliferation and migration to the basement membrane may be delayed in UDT.


Assuntos
Síndrome de Resistência a Andrógenos/patologia , Criptorquidismo/patologia , Espermatogônias/patologia , Testículo/fisiologia , Síndrome de Resistência a Andrógenos/fisiopatologia , Membrana Basal/patologia , Contagem de Células , Diferenciação Celular , Criptorquidismo/fisiopatologia , Humanos , Lactente , Recém-Nascido , Masculino , Fator 3 de Transcrição de Octâmero/metabolismo , Células de Sertoli/patologia , Espermatogênese , Espermatogônias/metabolismo , Testículo/patologia , Testículo/fisiopatologia
18.
Sex Dev ; 13(1): 20-25, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30703771

RESUMO

Cerebral palsy is a rare condition following injury of the developing brain and including nonprogressive neurological disorders, spasticity, intellectual impairment and others. Boys with cerebral palsy have a high incidence of undescended testis. Although the motives for treatment (infertility, cancer prevention, psychological aspects, testicular torsion) are not different in boys without neurological impairment, the decision-making process in boys with cerebral palsy is very difficult. Besides medical and surgical arguments the discussion involves challenging ethical issues.


Assuntos
Paralisia Cerebral/complicações , Criptorquidismo/complicações , Criptorquidismo/terapia , Criptorquidismo/fisiopatologia , Criptorquidismo/cirurgia , Ética Médica , Humanos , Laparoscopia , Masculino , Qualidade de Vida , Sexualidade
19.
Ned Tijdschr Geneeskd ; 1632019 01 25.
Artigo em Holandês | MEDLINE | ID: mdl-30719889

RESUMO

1-3% of boys develop an acquired undescended testes (UDT), meaning that the testes cannot be returned into the scrotum after previously having been located in a stable scrotal position. Fertility issues for patients with acquired UDT are comparable to those for patients with congenital UDT. Hypothetically speaking, patients with acquired UDT are at lower risk of testicular cancer than patients with congenital UDT. The appearance of an asymmetrical scrotum, which is associated with UDT, may negatively influence quality of life. Over 50% of the acquired UDTs will spontaneously descend at the start of puberty, thereby justifying conservative management of the condition. Orchidopexy directly after diagnosis does not have any advantages over awaiting spontaneous descent until puberty when fertility in later life of patients with unilateral acquired UDT is concerned; however, it may be beneficial in bilateral acquired UDT.


Assuntos
Tratamento Conservador , Criptorquidismo/terapia , Qualidade de Vida , Maturidade Sexual/fisiologia , Criptorquidismo/complicações , Criptorquidismo/fisiopatologia , Humanos , Infertilidade/etiologia , Masculino , Escroto/fisiopatologia , Neoplasias Testiculares/etiologia
20.
Am J Med Genet A ; 179(2): 285-289, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30667571

RESUMO

We present a case of a Chinese child with X-linked Simpson-Golabi-Behmel syndrome (SGBS). To the best of our knowledge, this is the first report of 46,XY disorders of sex development (ambiguous genitalia, cryptorchidism, and uterus in the pelvis) in surviving SGBS patients. Other external anomalies included characteristic facial anomalies, overgrowth, macrocephaly, organomegaly, pectus excavatum, and cryptorchidism. It could be that the GPC3 gene mutation caused Leydig cell dysfunction in our patient. Disorders of sex development can be included as part of the clinical spectrum of SGBS.


Assuntos
Arritmias Cardíacas/fisiopatologia , Criptorquidismo/fisiopatologia , Transtornos do Desenvolvimento Sexual/fisiopatologia , Doenças Genéticas Ligadas ao Cromossomo X/fisiopatologia , Gigantismo/fisiopatologia , Cardiopatias Congênitas/fisiopatologia , Deficiência Intelectual/fisiopatologia , Anormalidades Múltiplas/genética , Arritmias Cardíacas/diagnóstico , Arritmias Cardíacas/genética , China/epidemiologia , Criptorquidismo/diagnóstico , Criptorquidismo/genética , Transtornos do Desenvolvimento Sexual/diagnóstico , Transtornos do Desenvolvimento Sexual/genética , Feminino , Genes Ligados ao Cromossomo X , Doenças Genéticas Ligadas ao Cromossomo X/diagnóstico , Doenças Genéticas Ligadas ao Cromossomo X/genética , Gigantismo/diagnóstico , Gigantismo/genética , Cardiopatias Congênitas/diagnóstico , Cardiopatias Congênitas/genética , Humanos , Lactente , Deficiência Intelectual/diagnóstico , Deficiência Intelectual/genética , Masculino , Mutação/genética
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...