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Introduction Cystectomy is the last treatment option for Hunner‐type interstitial cystitis. However, consensus regarding optimal patient selection or treatment approaches is lacking. Case presentation A 27‐year‐old woman presented to a regional hospital with bladder pain and frequent urination. Antimicrobial therapy was administered; however, her symptoms persisted and she was finally diagnosed with HIC. Multiple endoscopic fulgurations of Hunner's lesions with bladder hydrodistension or intravesical therapy were performed; however, the symptoms persisted. A urethral catheter was inserted 1 month before she visited our clinic because of a severely contracted bladder. We performed female pelvic organ‐preserving robot‐assisted simple cystectomy and intracorporeal ileal neobladder reconstruction. The patient's postoperative course was uneventful and her symptoms resolved. Conclusion This is the first report of pelvic organ‐preserving robot‐assisted simple cystectomy and intracorporeal ileal neobladder reconstruction in a young woman with HIC.

Introduction Adenocarcinoma of the rete testis is a rare malignancy with a poor prognosis. We report a case of adenocarcinoma of the rete testis with a durable response to cisplatin‐based chemotherapy. Case presentation A 48‐year‐old man with Down syndrome (trisomy 21) presented with a 1‐month history of painless swelling of the left scrotum. The physical examination revealed a left testis with a hydrocele associated with a tumor and enlarged pelvic and para‐aortic lymph nodes. He underwent a radical orchiectomy. The specimen was diagnosed as adenocarcinoma of the rete testis. The patient received 7 cycles of chemotherapy (1 cycle of BEP and 6 cycles of EP) postoperatively. The metastatic lymph nodes were reduced in size for at least 12 months. Our patient with adenocarcinoma of the rete testis obtained an acceptable response to cisplatin‐based chemotherapy. Conclusion We treated a patient with an adenocarcinoma of the rete testis who had an acceptable response to platinum‐based chemotherapy.