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We report an unusual case of a pelvic extraovarian moderately differentiated Sertoli-Leydig cell tumor arising in a 4-yr-old female. The tumor contained a DICER1 pathogenic variant which was absent in the germline ruling out DICER1 syndrome. In reporting this case, we discuss the differential diagnosis and possible histogenesis and review reported cases of extraovarian Sertoli-Leydig cell tumor., Competing Interests: The authors declare no conflict of interest., (Copyright © 2022 by the International Society of Gynecological Pathologists.)

Objective: Injection of methylene blue to testis has been shown to have adverse effect in animal studies but it is still being used frequently as lymphatic mapping agent during lymphatic sparing varicocelectomy in adolescent varicoceles. We aim to report postoperative ultrasound changes after subaortic injection of methylene blue in human testes., Study Design: A retrospective observational study of consecutive patients under 18 years old undergoing laparoscopic varicocelectomy from August 2017 to August 2021 was performed. Demographics such as age, symptoms, pre-operative testicular volume was collected. Primary outcome was change on testicular ultrasound at 3, 6, 12 months after the operation. Secondary outcome was testicular volume difference between affected and unaffected testes, and growth rate of affected testis at 1 year after the operation., Results: Fifty-eight patients were included, with median age of 15 years old (IQR 11-18 years). Thirty-one patients had non-lymphatic sparing varicocelectomy (Group A) and 27 patients had lymphatic sparing varicocelectomy (Group B). There was no statistical difference between the mean testicular volume difference between the two groups, but hydrocele rate was significantly higher in Group A (16% vs 0%, p = 0.03). In group B, 6 patients (22.2%, p = 0.005) developed testicular change detectable by ultrasound. No statistical difference could be demonstrated for median testicular size difference (between affected and unaffected testes) at 1 year between group with and without ultrasound change (-23% vs 0%, p = 0.36). Median follow up time was 20.4 months (IQR 5-32 months)., Discussion: Varicocele treatments improve testicular volume and increase total sperm concentration and lymphatic sparing surgery significantly decreased post-operative hydrocele rates [2]. Different agents have been used to delineate lymphatic vessels and one commonly used agent is methylene blue [10,15-16]. However it has been shown in other animal studies that intraparenchymal injection of methylene blue to rat testis result in degenerative changes [18]. Our study is the first to describe post-operative changes of human testes on imaging after lymphatic sparing varicocelectomy with subdartoic injection of methylene blue. Six patients (22.2%) demonstrated new onset testicular changes on post-operative ultrasound. Although no statistically significant testicular volume reduction was seen in the group with change on imaging, these observations may serve as a surrogate marker for testicular injury or reduced testicular function. It will be desirable for future studies if we can investigate it further with hormonal markers or semen analysis after puberty has been reached., Conclusion: Lymphatic sparing procedure reduced post-operative hydrocele in adolescent varicocele, however long-lasting effect on testis is evident with subdartoic injection of methylene blue. This agent must be used with caution and long term follow up of these patients are needed., (Copyright © 2022 Journal of Pediatric Urology Company. Published by Elsevier Ltd. All rights reserved.)

Purpose: Varicocele is a common condition in adolescence and the most common correctable cause of infertility. This study aimed to analyze and compare the outcomes of scrotal antegrade sclerotherapy and laparoscopic Palomo surgery in a tertiary referral center., Materials and Methods: Patients with left grade 3 varicocele indicated for surgery were prospectively enrolled and randomly allocated to the scrotal antegrade sclerotherapy and laparoscopic Palomo surgery groups, with their respective contralateral normal testes taken as controls. The primary outcome measures were clinical varicocele recurrence, testicular catch-up growth, and postoperative hydrocele. All patients were evaluated clinically and using Doppler ultrasound by radiologists., Results: From 2015 to 2020, 113 patients completed the study and were statistically analyzed (scrotal antegrade sclerotherapy, n = 57; laparoscopic Palomo surgery, n = 56). All patients had significantly smaller testes preoperatively; the testicular volume differences with control testes were -23% in scrotal antegrade sclerotherapy and -19% in laparoscopic Palomo surgery. At 12-month follow-up, there were no statistically significant differences in clinical recurrences between the 2 groups (scrotal antegrade sclerotherapy = 5.3% vs laparoscopic Palomo surgery = 5.4%, P > .05, noninferiority test). Testicular catch-up growths were observed in both groups; the mean testicular volume difference between the treatment and control testes decreased from -23% to -8.1% in scrotal antegrade sclerotherapy ( P < .001) and from -19% to -9.3% in laparoscopic Palomo surgery ( P < .001) at 12-month follow-up. There was no postoperative hydrocele in the scrotal antegrade sclerotherapy group compared to 7 cases in the laparoscopic Palomo surgery group (0% vs 13%, P = .006)., Conclusions: Both scrotal antegrade sclerotherapy and laparoscopic Palomo surgery are safe and effective procedures for treatment of adolescent varicocele with significant positive effect on testicular catch-up growth. Scrotal antegrade sclerotherapy is not inferior to laparoscopic Palomo surgery in terms of clinical recurrence rate and has significantly less postoperative hydrocele.

Introduction/objective: Varicocele is a common condition seen in adolescence and associated with adult subfertility. Numerous types of intervention have been described with differences in success and complication rates. This study aims to review and compare the surgical outcomes of laparoscopic Palomo surgery and scrotal antegrade sclerotherapy at our center., Study Design: A retrospective analysis was done of all patients younger than 18 years old with idiopathic varicocele treated operatively between February 2001 and December 2016. Demographics such as age at operation, side, varicocele grade, operative date, and types of operation were collected. Primary outcomes were clinical recurrence, defined as any grading noted on follow-up within 1 year post-op and post-operative hydrocele. Secondary outcomes were operative time, length of stay, and other surgical complications. Mann-Whitney U test, independent t test and chi-square tests were used for analysis. All p-values were two-sided and considered statistically significant at p ≤ 0.05., Results: A total of 119 patients fit the criteria, of whom 117 patients were included in data analysis (Table). Sixty-two patients had laparoscopic Palomo surgery (LPS) and 55 had scrotal antegrade sclerotherapy (SAS). Clinical recurrence (grade 2-3) within 1 year was similar between the two groups, with four out of 48 patients in the SAS group and six out of 62 patients in the LPS group (8.4% in SAS vs. 9.7% in LPS, p = 1.00). Of the 11 patients who had recurrence in the SAS group, seven had grade 1 recurrence (14.5%), two (4.2%) had grade 2 recurrence, and two (4.2%) had grade 3 recurrence. For the LPS group, 17 out of 62 patients had clinical recurrence within 1 year, of whom 11 (17.7%) had grade 1 recurrence, one (1.6%) had grade 2, and five (8.1%) had grade 3 recurrence. Post-operative hydrocele was significantly higher in the LPS group; there was none in the SAS group but 11 patients in the LPS group (0% in SAS vs. 17.7%, p = 0.002). Three patients had clinically significant hydrocele requiring Jaboulays' procedure. Complications other than hydrocele were noted in three patients in the SAS group and one patient in the LPS group (5.5% in SAS vs. 1.6% in LPS, p = 0.158). None required operative intervention. No conversion to open procedure was seen in the LPS group and there were no perioperative complications. Mean operative time was 62.9 min in the SAS group and 60.7 min in the LPS group (p = 0.624). Mean length of stay was 17.5 h in the SAS group and 31.7 h in the LPS group (p < 0.001)., Conclusion: Both SAS and LPS are safe procedures for treatment of adolescent varicocele with similar clinical recurrence rate within 1 year. SAS has a significantly lower rate of post-operative hydrocele., (Copyright © 2018. Published by Elsevier Ltd.)