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We report the first case of a 123I-metaiodobenzylguanidine false-positive renal cell carcinoma. This case was diagnosed with primary aldosteronism and Meigs' syndrome, which made the clinical course more complicated.<br /><br /> Penile fracture is a rare urologic emergency, and its surgical treatment is selected based on the damaged site of the penile corpus cavernosum. Penile fractures at the site of the crus penis are quite rare, and there is controversy regarding the preferred method of surgical repair.<br /><br /> A 25-year-old Asian man was injured when rolling over in bed. Magnetic resonance imaging showed a tear in the left crus of the penis with a hematoma. Delayed surgery was successfully performed using the transperineal approach. He did not experience pain, dysuria, or erectile dysfunction postoperatively.<br /><br /> Delayed surgical repair using transperineal approach may be useful for penile fractures associated with penile crus injuries.<br /><br />Delayed surgical repair using transperineal approach may be useful for penile fractures associated with penile crus injuries.<br /><br /> The combination of ipilimumab plus nivolumab has been used as first-line therapy for metastatic renal cell carcinoma. While it is well known that hemodialysis patients have a higher rate of renal cell carcinoma compared to the general population, no reports have described the safety of ipilimumab-nivolumab in metastatic renal cell carcinoma patients on hemodialysis.<br /><br /> A 73-year-old man with a 21-year history of dialysis was referred to our department in 2019 for bilateral renal tumors and multiple lung nodules. He had already been diagnosed with bilateral renal tumors in 2015, without undergoing surgery due to comorbidities. In May 2019, contrast-enhanced computed tomography revealed multiple lung metastases in addition to the existing renal tumors; consequently, he was treated with four doses of nivolumab-ipilimumab with no adverse events.<br /><br /> The combination of ipilimumab plus nivolumab was safely used in a hemodialysis patient with metastatic renal cell carcinoma.<br /><br />The combination of ipilimumab plus nivolumab was safely used in a hemodialysis patient with metastatic renal cell carcinoma.<br /><br /> Primary chondrosarcoma of the penis is rare. We present a case of primary chondrosarcoma of the penis in a young patient.<br /><br /> A 35-year-old man presented with a painless mass at the base of his penis for the past 6months. Incisional biopsy of the lesion revealed a chondrosarcoma. Pelvic magnetic resonance imaging and computed tomography of the thorax, abdomen, and pelvis ruled out a primary lesion in the bones and soft tissues. The patient rejected total penectomy and decided to start chemoradiotherapy followed by local tumor resection.<br /><br /> Primary chondrosarcoma of the penis is rare. Interdisciplinary management plays an important role in planning the therapy for rare tumors. A combined chemoradiation therapy can be followed by penis-preserving surgery to improve the quality of life in young patients with proximal penile tumors.<br /><br />Primary chondrosarcoma of the penis is rare. Interdisciplinary management plays an important role in planning the therapy for rare tumors. A combined chemoradiation therapy can be followed by penis-preserving surgery to improve the quality of life in young patients with proximal penile tumors.<br /><br /> The patients with prostate cancer and low-volume osseous metastases who underwent local definitive therapies had lower risks of cancer-specific mortality. The usefulness of local definitive therapy for metastatic prostate cancer remains unclear.<br /><br /> A 76-year-old man visited a private hospital with a chief complaint of left lower limb pain. His serum prostate-specific antigen level was 365.156ng/mL. Histological evaluation led to the initial diagnosis of adenocarcinoma of Gleason score 4+4 and clinical stage T3a N1 M1b. Although androgen deprivation therapy was performed, he developed metastatic castration-resistant prostate cancer 6months after the initial treatment. Therefore, he received enzalutamide and attained a serum prostate-specific antigen level of 0.002ng/mL 7months after the second treatment. We performed robot-assisted radical prostatectomy 1year after diagnosis. Histopathological examination revealed that prostate cancer cells disappeared into the prostate.<br /><br /> Robot-assisted radical prostatectomy in selected patients with metastatic castration-resistant prostate cancer may improve oncological outcomes.<br /><br />Robot-assisted radical prostatectomy in selected patients with metastatic castration-resistant prostate cancer may improve oncological outcomes.<br /><br /> Renal tumors are often associated with renal cysts. Meanwhile, in some cases there are challenging issues of how to diagnose renal cystic tumors and to decide surgical procedures.<br /><br /> A 75-year-old man was referred to our department for a 21-mm tumor by his left kidney. Contrast-enhanced computed tomography showed an intense contrast uptake the tumor, which was adjacent to a 64-mm unilocular renal cyst with no contrasting effects. [https://www.selleckchem.com/products/i-bet-762.html Molibresib chemical structure] It was clinically diagnosed as renal cell carcinoma, stage T1aN0M0, and treated with robot-assisted partial nephrectomy, for both the solid tumor and the adjacent cyst. Pathological findings revealed a tumor cell clump within the cyst wall, concurrent with the renal cell carcinoma. The patient has remained free of disease at 1year after surgery.<br /><br /> A partial nephrectomy that includes the entire cyst wall should be considered for renal tumor associated with unilocular renal cyst.<br /><br />A partial nephrectomy that includes the entire cyst wall should be considered for renal tumor associated with unilocular renal cyst.<br /><br /> Most metastatic prostate cancers acquire the capacity for androgen-independent growth and become resistant to androgen deprivation therapy. A patient-focused treatment strategy is needed for aggressive castration-resistant prostate cancer.<br /><br /> We report the case of a 62-year-old man who presented with prostatic adenocarcinoma who was treated by radiation and combined androgen blockade. After completion of first-line therapy, he was diagnosed with multiple metastatic castration-resistant prostate cancer in the lung. Second-line therapy with abiraterone acetate resulted in partial remission of the lung metastases. Thoracic surgery was performed to remove the single lung metastasis remaining. Next-generation sequencing of the specimens demonstrated homozygous loss of <br /><br /> . We note in this case a heterogeneous response to abiraterone acetate may be related to the somatic <br /><br /> deletions.<br /><br /> We present the first Japanese case of a metastatic abiraterone acetate-resistant castration-resistant prostate cancer accompanied by BRCA2 mutation.