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1.
BMC Urol ; 24(1): 61, 2024 Mar 19.
Article in English | MEDLINE | ID: mdl-38504239

ABSTRACT

BACKGROUND: Genitourinary tuberculosis (GUTB) is a common form of extrapulmonary TB (EPTB) in children. An example of GUTB is epididymal TB, which usually presents unspecific chronic clinical manifestations. Definitive diagnosis can be conducted based on bacteriologic confirmation and histopathologic results, but this is challenging due to the paucibacillary nature of EPTB. Therefore, we reported the challenges in diagnosing isolated epididymal TB in an adolescent male. CASE PRESENTATION: A 16-year-old male presented to respirology clinic with painful swelling of the left scrotum for 3 months before visiting to the hospital. The symptoms were associated with persistent coughing for 2 months, and physical examination of the left scrotum showed swelling accompanied by cardinal signs. A palpable hard mass was found on the left scrotum, with firm borders, measuring 7 × 4 cm. Laboratory examination and tumor markers were within normal limits, although leukocyturia was found, and the urine culture was negative. Genital ultrasound (US) showed epididymitis sinistra with septal hydrocele, while magnetic resonance imaging (MRI) indicated inhomogeneous left epididymitis with bilateral inguinal lymph node enlargement. Although TB evaluation presented a negative purified protein derivative (PPD) test and bacteriologic examination, chest X-ray (CXR) showed perihilar lymphadenopathy. Based on the clinical and radiologic results suggesting TB, the patient was diagnosed with isolated epididymal TB and received quadruple antituberculosis therapy (ATT) for 6 months. After treatment, the left testicle size started to shrink and was equal to the right testicle, also, there were no signs of inflammation, the body weight increased by 5 kg, and cough disappeared. Sperm analysis at the end of treatment indicated teratozoospermia, which was subsequently treated by the urologic surgery department. CONCLUSIONS: Biopsy and bacteriologic confirmation for TB epididymitis were challenging to perform in the clinical setting. Epididymal TB should be considered in adolescent males with complaints of chronic scrotal swelling and pain. Clinical judgment based on history taking, physical examination, and radiologic features supporting TB features could be helpful in accurate and fast diagnosis for favorable outcome.


Subject(s)
Epididymitis , Genital Diseases, Male , Testicular Diseases , Tuberculosis , Child , Humans , Male , Adolescent , Epididymitis/diagnosis , Semen , Epididymis/diagnostic imaging , Testicular Diseases/pathology , Pain , Tuberculosis/diagnosis , Tuberculosis/drug therapy , Tuberculosis/pathology
2.
Reprod Domest Anim ; 59(3): e14550, 2024 Mar.
Article in English | MEDLINE | ID: mdl-38465367

ABSTRACT

Two male Japanese Black calves developed an enlarged scrotum and testis. Orchiectomy was performed and pus was collected during surgery. After removal of the testis, bacteriological and histopathological examinations were conducted to investigate the cause and confirm the diagnosis. Based on the results obtained, both cases were diagnosed with epididymitis caused by an infection with Pasteurella multocida. This is the first study to show that P. multocida causes epididymitis in male calves. Further studies are required to clarify the details underlying the infection of calves with P. multocida.


Subject(s)
Cattle Diseases , Epididymitis , Pasteurella multocida , Cattle , Animals , Male , Epididymitis/veterinary , Testis
4.
Infect Dis Now ; 54(4): 104884, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38460761

ABSTRACT

INTRODUCTION: For the first time, the accuracy and proficiency of ChatGPT answers on urogenital tract infection (UTIs) were evaluated. METHODS: The study aimed to create two lists of questions: frequently asked questions (FAQs, public-based inquiries) on relevant topics, and questions based on guideline information (guideline-based inquiries). ChatGPT responses to FAQs and scientific questions were scored by two urologists and an infectious disease specialist. Quality and reliability of all ChatGPT answers were checked using the Global Quality Score (GQS). The reproducibility of ChatGPT answers was analyzed by asking each question twice. RESULTS: All in all, 96.2 % of FAQs (75/78 inquiries) related to UTIs were correctly and adequately answered by ChatGPT, and scored GQS 5. None of the ChatGPT answers were classified as GQS 2 and GQS 1. Moreover, FAQs about cystitis, urethritis, and epididymo-orchitis were answered by ChatGPT with 100 % accuracy (GQS 5). ChatGPT answers for EAU urological infections guidelines showed that 61 (89.7 %), 5 (7.4 %), and 2 (2.9 %) ChatGPT responses were scored GQS 5, GQS 4, and GQS 3, respectively. None of the ChatGPT responses for EAU urological infections guidelines were categorized as GQS 2 and GQS 1. Comparison of mean GQS values of ChatGPT answers for FAQs and EAU urological guideline questions showed that ChatGPT was similarly able to respond to both question groups (p = 0.168). The ChatGPT response reproducibility rate was highest for the FAQ subgroups of cystitis, urethritis, and epididymo-orchitis (100 % for each subgroup). CONCLUSION: The present study showed that ChatGPT gave accurate and satisfactory answers for both public-based inquiries, and EAU urological infection guideline-based questions. Reproducibility of ChatGPT answers exceeded 90% for both FAQs and scientific questions.


Subject(s)
Urinary Tract Infections , Humans , Urinary Tract Infections/drug therapy , Urinary Tract Infections/diagnosis , Reproducibility of Results , Surveys and Questionnaires , Cystitis/drug therapy , Cystitis/diagnosis , Male , Practice Guidelines as Topic , Urethritis/diagnosis , Epididymitis/diagnosis , Epididymitis/drug therapy , Orchitis/drug therapy , Orchitis/diagnosis , Female
5.
Andrology ; 12(5): 1024-1037, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38497291

ABSTRACT

BACKGROUND: Region-specific immune environments in the epididymis influence the immune responses to uropathogenic Escherichia coli (UPEC) infection, a relevant cause of epididymitis in men. Toll-like receptors (TLRs) are essential to orchestrate immune responses against bacterial infections. The epididymis displays region-specific inflammatory responses to bacterial-derived TLR agonists, such as lipopolysaccharide (LPS; TLR4 agonist) and lipoteichoic acid (LTA; TLR2/TLR6 agonist), suggesting that TLR-associated signaling pathways could influence the magnitude of inflammatory responses in epididymitis. OBJECTIVES: To investigate the expression and regulation of key genes associated with TLR4 and TLR2/TLR6 signaling pathways during epididymitis induced by UPEC, LPS, and LTA in mice. MATERIAL AND METHODS: Epididymitis was induced in mice using UPEC, ultrapure LPS, or LTA, injected into the interstitial space of the initial segment or the lumen of the vas deferens close to the cauda epididymidis. Samples were harvested after 1, 5, and 10 days for UPEC-treated animals and 6 and 24 h for LPS-/LTA-treated animals. Ex vivo epididymitis was induced by incubating epididymal regions from naive mice with LPS or LTA. RT-qPCR and Western blot assays were conducted. RESULTS: UPEC infection up-regulated Tlr2, Tlr4, and Tlr6 transcripts and their associated signaling molecules Cd14, Ticam1, and Traf6 in the cauda epididymidis but not in the initial segment. In these epididymal regions, LPS and LTA differentially modulated Tlr2, Tlr4, Tlr6, Cd14, Myd88, Ticam1, Traf3, and Traf6 expression levels. NFKB and AP1 activation was required for LPS- and LTA-induced up-regulation of TLR-associated signaling transcripts in the cauda epididymidis and initial segment, respectively. CONCLUSION: The dynamic modulation of TLR4 and TLR2/TLR6 signaling pathways gene expression during epididymitis indicates bacterial-derived antigens elicit an increased tissue sensitivity to combat microbial infection in a spatial manner in the epididymis. Differential activation of TLR-associated signaling pathways may contribute to fine-tuning inflammatory responses along the epididymis.


Subject(s)
Epididymitis , Lipopolysaccharides , Signal Transduction , Teichoic Acids , Toll-Like Receptor 2 , Toll-Like Receptor 4 , Animals , Male , Epididymitis/genetics , Epididymitis/metabolism , Epididymitis/microbiology , Mice , Toll-Like Receptor 4/metabolism , Toll-Like Receptor 4/genetics , Toll-Like Receptor 2/genetics , Toll-Like Receptor 2/metabolism , Teichoic Acids/pharmacology , Uropathogenic Escherichia coli , Escherichia coli Infections/immunology , Escherichia coli Infections/genetics , Toll-Like Receptor 6/genetics , Toll-Like Receptor 6/metabolism , Epididymis/metabolism , TNF Receptor-Associated Factor 6/metabolism , TNF Receptor-Associated Factor 6/genetics , Myeloid Differentiation Factor 88/genetics , Myeloid Differentiation Factor 88/metabolism , Mice, Inbred C57BL , Acute Disease
9.
J Spinal Cord Med ; 47(2): 300-305, 2024 Mar.
Article in English | MEDLINE | ID: mdl-36972202

ABSTRACT

OBJECTIVE: To investigate the association between multiple types of urological management and urological complications in patients with spinal cord injury (SCI). DESIGN: A retrospective cohort study. SETTING: Single medical center. METHODS: Medical records of SCI patients with regular follow-up of more than two years were reviewed. Urological management was classified into five groups: indwelling urethral catheter (IUC), clean intermittent catheterization (CIC), reflex voiding, suprapubic catheter (SPC), and self-voiding. We analyzed the incidence of urinary tract infection (UTI), epididymitis, hydronephrosis, and renal stone across the different urological-management groups. RESULTS: Of 207 individuals with SCI, the most common management type was self-voiding (n = 65, 31%) followed by CIC (n = 47, 23%). The IUC and SPC groups included more people with complete SCI than the other management groups. Compared with the IUC group, the SPC and self-voiding groups had lower risks of developing UTI (relative risk [RR] = 0.76, 95% CI, 0.59-0.97 and RR = 0.39, 95% CI, 0.28-0.55, respectively). The SPC group tended to have a lower risk of epididymitis than the IUC group (RR = 0.55, 95% CI, 0.18-1.63). CONCLUSION: Long-term IUC use was associated with a higher incidence of UTI in people with SCI. As compared to those with IUC, a lower risk of UTI was found in persons with SPC. These findings may have implications for shared clinical decision-making.


Subject(s)
Epididymitis , Spinal Cord Injuries , Urinary Bladder, Neurogenic , Male , Humans , Urinary Bladder, Neurogenic/epidemiology , Urinary Bladder, Neurogenic/etiology , Urinary Bladder, Neurogenic/therapy , Retrospective Studies , Spinal Cord Injuries/complications , Spinal Cord Injuries/epidemiology , Catheters, Indwelling/adverse effects
10.
J Pediatr Urol ; 20(1): 91-94, 2024 02.
Article in English | MEDLINE | ID: mdl-37806834

ABSTRACT

INTRODUCTION: Acute epididymo-orchitis (AEO) is becoming an increasingly common differential diagnosis in children with acute scrotal pain. It has been noted in adult men that SARS-CoV-2 has a propensity for involving the testis and epididymis, affecting sperm and testosterone production. Our literature search revealed only one case report of COVID-19 presenting with epididymo-orchitis in a child. We present three more children who presented with AEO, all recovering from PCR-confirmed SARS-CoV-2 infection. This article reviews the post-inflammatory aetiology of paediatric epididymo-orchitis, and the propensity SARS-CoV-2 has for the testis. PATIENTS AND METHODS: Two pre-pubertal ten-year-old patients presented to the emergency department with a 48-h history of gradual onset unilateral scrotal pain and increasing erythema of the ipsilateral scrotal skin. One fifteen-year-old boy was referred for ongoing symptoms four days following a diagnosis of AEO made by his General Practitioner. On further questioning, all three had PCR-confirmed COVID infection two weeks prior to the onset of their scrotal symptoms and had just ended their isolation period. A literature search was then performed using the keywords SARS-CoV-2, testes and paediatric acute epididymo-orchitis. DISCUSSION: The SARS-Cov-2 virus has a propensity for affecting the testis and epididymis. This puts patients at increased risk of acute epididymo-orchitis during COVID infections. The inflammation induced by the virus appears to affect the cells responsible for testosterone production and sperm quality. However, there is no evidence that viral transmission can happen via semen. CONCLUSION: SARS-Cov-2 infection can lead to acute epididymo-orchitis. Knowledge of this is clinically significant, firstly to avoid unnecessary surgical intervention due to a mistaken diagnosis of testicular torsion and secondly, due to the potential of the virus to affect sperm quality and testosterone production.


Subject(s)
COVID-19 , Epididymitis , Orchitis , Adult , Humans , Male , Child , Aged, 80 and over , Orchitis/diagnosis , Orchitis/etiology , COVID-19/complications , Semen , SARS-CoV-2 , Epididymitis/diagnosis , Epididymitis/etiology , Testosterone , Pain/complications
11.
Urology ; 185: 14-16, 2024 03.
Article in English | MEDLINE | ID: mdl-38110125
12.
J Med Case Rep ; 17(1): 489, 2023 Nov 10.
Article in English | MEDLINE | ID: mdl-37946248

ABSTRACT

BACKGROUND: We present a case report of an immunocompetent host with presumed sexually transmitted cytomegalovirus proctitis and epididymitis, where there currently is a sparsity of published data. CASE PRESENTATION: A 21-year-old previously healthy Caucasian individual was admitted for severe rectal and testicular pain in the setting of proctitis and epididymitis. Serology and rectal pathology confirmed acute primary cytomegalovirus infection. CONCLUSIONS: This report details his diagnostic workup and highlights cytomegalovirus as a rare cause of sexually transmitted disease among immunocompetent persons.


Subject(s)
Cytomegalovirus Infections , Epididymitis , Proctitis , Sexually Transmitted Diseases , Male , Humans , Young Adult , Adult , Cytomegalovirus , Epididymitis/diagnosis , Epididymitis/drug therapy , Epididymitis/complications , Proctitis/diagnosis , Proctitis/drug therapy , Proctitis/etiology , Sexually Transmitted Diseases/complications , Sexually Transmitted Diseases/diagnosis , Sexually Transmitted Diseases/pathology , Cytomegalovirus Infections/complications , Cytomegalovirus Infections/diagnosis , Cytomegalovirus Infections/drug therapy
13.
J Infect Dev Ctries ; 17(9): 1285-1291, 2023 09 30.
Article in English | MEDLINE | ID: mdl-37824350

ABSTRACT

INTRODUCTION: The genito-urinary system is one of the most common areas of involvement in brucellosis. To present the epidemiological, clinical, and laboratory characteristics of patients with testicular involvement associated with brucellosis, together with the diagnostic and therapeutic approaches. METHODOLOGY: Patients followed up for brucellosis-related testicular involvement between January 2012 and November 2022 were included in the study. Brucellosis is defined as the production of Brucella spp. in cultures, or clinical symptoms together with the serum standard tube agglutination test titer of ≥ 1/160. Inflammation in scrotal Doppler ultrasonography was based on testicular involvement. RESULTS: A retrospective evaluation was made of the data of 194 patients with brucellosis-related testicular involvement. The rate of determination of testicular involvement in brucellosis was 2.57%. The most affected patients were determined in the 16-30 years age range. On presentation, brucellosis was in the acute stage in 83.7% of patients. The most common symptoms on presentation were swelling and/or pain in the testes (86.6%). In the patients where a spermiogram could be performed, oligospermia was determined in 41.7%, and aspermia in 8.3%. When the testicular involvement of brucellosis was evaluated, epididymo-orchitis was present at the rate of 55.7%, epididymitis at 27.3%, and testis abscess at 5.1%. CONCLUSIONS: Although epididymo-orchitis was the most frequently determined form of involvement in this study, there was also seen to be a significant number of patients presenting with epididymitis. Male patients presented with the clinical status of brucellosis should be questioned about swelling and pain in the testes to avoid overlooking testicular involvement.


Subject(s)
Brucellosis , Epididymitis , Orchitis , Humans , Male , Epididymitis/epidemiology , Epididymitis/diagnosis , Orchitis/epidemiology , Orchitis/diagnosis , Retrospective Studies , Brucellosis/complications , Brucellosis/epidemiology , Brucellosis/diagnosis , Pain/complications
14.
Pediatr. aten. prim ; 25(99)3 oct. 2023.
Article in Spanish | IBECS | ID: ibc-226241

ABSTRACT

El escroto agudo consiste en un cuadro clínico de dolor testicular asociado a signos inflamatorios locales, excepcional en neonatos y lactantes. Presentamos un caso de un lactante de 2 meses con tumefacción y eritema escrotal derecho de 48 horas de evolución y pico febril en Urgencias. A la exploración, teste doloroso a la palpación, con reflejo cremastérico presente. En la ecografía testicular se objetiva orquiepididimitis derecha. La analítica muestra leucocitosis, neutrofilia y mínima elevación de reactantes de fase aguda. En el urocultivo se aísla Escherichia coli. Recibe antibioterapia durante 2 semanas con buena evolución. La orquiepididimitis es la inflamación aguda del testículo y epidídimo, patología muy infrecuente en neonatos y lactantes. La diseminación hematógena es la causa más frecuente en este grupo de edad, siendo el germen más frecuente el E. coli. Por tanto, en neonatos y lactantes con orquiepididimitis, considerando el riesgo de bacteriemia asociada, resulta fundamental optimizar el diagnóstico, incluyendo un estudio completo de sepsis junto con la ecografía Doppler y el inicio precoz de la antibioterapia empírica (AU)


Acute scrotum consists of testicular pain associated with local inflammatory signs and is very unsual in neonates and infants.We present a case of a 2-month-old infant with right scrotal swelling and erythema of 48 hours' evolution. Peak fever in the emergency department. On examination, the teste was painful on palpation, with cremasteric reflex present. Testicular ultrasound showed right orchiepididymitis with associated hydrocele. Laboratory tests show leukocytosis, neutrophilia and minimal elevation of acute phase reactants. Urine culture isolated Escherichia coli. He received antibiotherapy for 2 weeks with good evolution.Orchiepididymitis is an acute inflammation of the testicle and epididymis, and it is a very rare pathology in neonates and infants. Haematogenous dissemination is the most frequent cause in this age group, with E. coli being the most frequently isolated germ. Therefore, in neonates and infants with orchiepididymitis, considering the risk of associated bacteraemia, it is essential to optimize the diagnosis by including a complete sepsis study together with Doppler ultrasound and the early initiation of empirical antibiotherapy. (AU)


Subject(s)
Humans , Male , Infant , Epididymitis/diagnosis , Orchitis/diagnosis , Epididymitis/drug therapy , Orchitis/drug therapy , Anti-Bacterial Agents/therapeutic use , Acute Disease
15.
World J Urol ; 41(9): 2421-2428, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37452204

ABSTRACT

PURPOSE: Acute epididymo-orchitis (AEO) is a common urological condition characterised by pain and swelling of the epididymis which can affect men of any age. The aetiology and to some extent the management of the patient differ between paediatric and young and older adult groups. METHODS: A retrospective analysis was performed at the University Hospital Limerick from 2012 to 2016. Hospital In-Patient Enquiry (HIPE) data were obtained for all patients diagnosed with orchitis, epididymitis, epididymo-orchitis or testicular abscess over this 5-year period. RESULTS: 140 patients were identified, the age range was 0-89, median age 35.6. These were then split into 3 clinical groups, pre-pubertal (Group 1, 0-15-year-olds), sexually active young men (Group 2a, 16-35-year-olds) and men over 35 (Group 2b). Nine patients had an abscess on ultrasound investigation. There was a significant correlation between the presence of an abscess and the need for an orchidectomy (2 patients, P = 0.035). Two patients were reported as having an atrophic testis following AEO and both were in Group 2b. CONCLUSION: Overall, 7/131 (5%) patients had loss or atrophy of a testicle following an episode of AEO. Nineteen patients had further readmissions with AEO (14%).


Subject(s)
Epididymitis , Orchitis , Male , Humans , Child , Aged , Adult , Orchitis/complications , Orchitis/epidemiology , Orchitis/diagnosis , Retrospective Studies , Abscess/complications , Epididymitis/complications , Epididymitis/epidemiology , Epididymitis/diagnosis , Risk Factors
16.
Medicine (Baltimore) ; 102(20): e33843, 2023 May 19.
Article in English | MEDLINE | ID: mdl-37335700

ABSTRACT

RATIONALE: Rare side effects of acute epididymitis include testicular infarction and ischemia. Distinguishing them from testicular torsion is challenging, both clinically and radiologically. However, only a few such cases have been reported to date. PATIENT CONCERNS: A 12-year-old child presented with persistent right testicular pain for 3 days. It developed after trauma and was accompanied by gradual swelling and enlargement of the right scrotum, with nausea and vomiting. Scrotal color Doppler ultrasonography demonstrated right epididymitis, right scrotal wall swelling, and right testicular torsion. Routine blood tests revealed leukocyte and neutrophil counts were both above normal. DIAGNOSIS: Scrotal exploration revealed edema and adhesions in all layers of the scrotal wall. The right testicle was pale. The patient was diagnosed with testicular ischemia secondary to acute epididymitis. INTERVENTIONS: The patient underwent simultaneous lower spermatic cord sheath dissection and decompression, testicular sheath reversal, and right testicular fixation. OUTCOMES: Blood flow to the testicles gradually recovered after decompression, as did the color. Postoperatively, the patient's scrotal swelling and pain improved significantly. LESSONS: Despite the rarity of this condition, it is a potentially serious consequence of epididymitis and should be considered when patients experience sudden scrotal pain.


Subject(s)
Acute Pain , Epididymitis , Genital Diseases, Male , Spermatic Cord Torsion , Testicular Diseases , Child , Male , Humans , Spermatic Cord Torsion/complications , Spermatic Cord Torsion/surgery , Epididymitis/complications , Epididymitis/diagnosis , Scrotum/diagnostic imaging , Scrotum/injuries , Testicular Diseases/etiology , Acute Pain/etiology , Acute Disease
17.
Front Public Health ; 11: 1129166, 2023.
Article in English | MEDLINE | ID: mdl-37228719

ABSTRACT

Chlamydia trachomatis is an obligate intracellular pathogen and the leading bacterial cause of sexually transmitted infections worldwide. Chlamydia trachomatis genovars L1-L3 are responsible for lymphogranuloma venereum (LGV), an invasive sexually transmitted disease endemic in tropical and subtropical regions of Africa, South America, the Caribbean, India and South East Asia. The typical signs and symptoms of C. trachomatis LGV urogenital infections in men include herpetiform ulcers, inguinal buboes, and/or lymphadenopathies. Since 2003, endemic cases of proctitis and proctocolitis caused by C. trachomatis LGV emerged in Europe, mainly in HIV-positive men who have sex with men (MSM). Scarce data have been reported about unusual clinical presentations of C. trachomatis LGV urogenital infections. Herein, we report a case of a 36-year-old heterosexual, HIV-negative male declaring he did not have sex with men or trans women, who presented to the Urology and Andrology outpatient clinic of a healthcare center from Cordoba, Argentina, with intermittent testicular pain over the preceding 6 months. Doppler ultrasound indicated right epididymitis and funiculitis. Out of 17 sexually transmitted infections (STIs) investigated, a positive result was obtained only for C. trachomatis. Also, semen analysis revealed oligoasthenozoospermia, reduced sperm viability as well as increased sperm DNA fragmentation and necrosis, together with augmented reactive oxygen species (ROS) levels and the presence of anti-sperm IgG autoantibodies. In this context, doxycycline 100 mg/12 h for 45 days was prescribed. A post-treatment control documented microbiological cure along with resolution of clinical signs and symptoms and improved semen quality. Strikingly, sequencing of the ompA gene revealed C. trachomatis LGV L2 as the causative uropathogen. Remarkably, the patient did not present the typical signs and symptoms of LGV. Instead, the infection associated with chronic testicular pain, semen inflammation and markedly reduced sperm quality. To our knowledge, this is the first reported evidence of chronic epididymitis due to C. trachomatis LGV L2 infection in an HIV-negative heterosexual man. These findings constitute important and valuable information for researchers and practitioners and highlight that C. trachomatis LGV-L2 should be considered as putative etiologic agent of chronic epididymitis, even in the absence of the typical LGV signs and symptoms.


Subject(s)
Epididymitis , HIV Infections , Lymphogranuloma Venereum , Sexual and Gender Minorities , Humans , Male , Female , Adult , Chlamydia trachomatis/genetics , Lymphogranuloma Venereum/diagnosis , Lymphogranuloma Venereum/epidemiology , Lymphogranuloma Venereum/microbiology , Homosexuality, Male , Heterosexuality , Epididymitis/complications , Semen Analysis , Chronic Disease , HIV Infections/complications
19.
Int J Mol Sci ; 24(9)2023 Apr 25.
Article in English | MEDLINE | ID: mdl-37175545

ABSTRACT

Epididymitis is an epididymal inflammation that may lead to male infertility. Dendritic cells (DCs) and myeloid differentiation primary response gene 88 (Myd88) were associated with epididymitis in rodents. However, the functions of Myd88 on epididymal DCs remain unclear. This study investigated the role of Myd88 in DCs for epididymitis. The Myd88 signaling pathway, phenotypes of DC subsets, and cytokines were investigated in lipopolysaccharide (LPS)-induced epididymitis in mice. CRISPR-Cas9 was used to knockout Myd88 in bone-marrow-derived dendritic cells (BMDCs) and immortalized mouse epididymal (DC2) cell line. In the vivo experiments, levels of the proinflammatory cytokines IL-1α, IL-6, IL-17A, TNF-α, IL-1ß, MCP-1, and GM-CSF, mRNA for MyD88 related genes, and the percentages of monocyte-derived DCs (Mo-DCs) were significantly elevated in mice with epididymitis. In the vitro experiments, LPS significantly promoted the apoptosis of BMDCs. In addition, the concentration of inflammatory cytokines in BMDCs and DC2s were increased in the LPS group, while decreasing after the knockout of Myd88. These findings indicate that Myd88 on DCs is involved in the inflammation of epididymitis in mice, which may be a potential target for better strategies regarding the treatment of immunological male infertility.


Subject(s)
Epididymitis , Humans , Male , Animals , Mice , Epididymitis/metabolism , Lipopolysaccharides/pharmacology , Myeloid Differentiation Factor 88/genetics , Myeloid Differentiation Factor 88/metabolism , Bone Marrow/metabolism , Dendritic Cells , Signal Transduction , Cytokines/metabolism , Inflammation/metabolism , Mice, Inbred C57BL
20.
Semin Nucl Med ; 53(6): 797-808, 2023 11.
Article in English | MEDLINE | ID: mdl-37210316

ABSTRACT

This article discusses the current clinical role and scope of functional radionuclide imaging using testicular perfusion scintigraphy with 99mTc-pertechnetate in patients presenting with an acute hemiscrotum for an early and reliable diagnosis of testicular torsion. The technique of testicular perfusion scintigraphy is described, and the characteristic findings are detailed with examples. The imaging characteristics of the various phases of testicular torsion and its differentiation from epididymitis and/or epididymo-orchitis and the other related conditions presenting as an acute hemiscrotum are detailed. In some cases, further evaluation by SPECT imaging increases the clarity and accuracy of diagnosis and, on occasion, hybrid SPECT/CT in selected complicated cases improves the diagnostic yield of the perfusion scintigraphy. Ultrasonographic and color Doppler findings are described concurrently with the scintigraphic findings. The several case examples presented demonstrate the additional clinical benefit of complementing functional and structural imaging for improving the sensitivity, specificity and accuracy of testicular imaging in the diagnosis.


Subject(s)
Epididymitis , Orchitis , Spermatic Cord Torsion , Male , Humans , Spermatic Cord Torsion/diagnostic imaging , Diagnosis, Differential , Orchitis/diagnostic imaging , Epididymitis/diagnostic imaging , Radionuclide Imaging
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