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1.
Cureus ; 16(6): e62956, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-39044876

RESUMO

A case in which a urethral catheter could not be indwelled at the start of robot-assisted laparoscopic radical prostatectomy (RARP) is reported. A 64-year-old man was admitted to the hospital for RARP with a diagnosis of prostate cancer cT2aN0M0. At the start of RARP, a pseudo-urethra was formed by inserting a urethral catheter, so surgery was started with a transabdominal posterior approach without indwelling the urethral catheter. The urethra was opened during bladder neck resection, a guide wire was inserted anterogradely, the urethra was dilated retrogradely, and a urethral catheter was indwelled. After that, the procedure was performed as usual, and the operation was completed. When the urethral catheter could not be indwelled at the start of RARP, it was possible to do so using an anterograde approach during the operation.

2.
IJU Case Rep ; 6(4): 239-243, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37405039

RESUMO

Introduction: Prostatic stromal sarcoma is an extremely rare malignancy of the prostate with a poor prognosis. Case presentation: A 65-year-old man presented with dyschezia, and computed tomography showed a large prostate mass. The diagnosis was prostate stromal sarcoma by transrectal needle biopsy. Magnetic resonance imaging suggested rectal infiltration. The patient underwent 4 courses of neoadjuvant chemotherapy with gemcitabine and docetaxel hydrate followed by total pelvic exenteration. Conclusion: No recurrence has occurred at 5 years after the surgery. This is the first report of complete resection in prostate stromal sarcoma after neoadjuvant chemotherapy with gemcitabine and docetaxel hydrate.

3.
Medicine (Baltimore) ; 97(45): e13173, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-30407350

RESUMO

RATIONALE: Collecting duct carcinoma (CDC) is a rare type of nonclear renal cell carcinoma, often presenting at an advanced stage of the disease, and standard treatment guidelines have not been established. PATIENT CONCERNS: A 73-year-old man was admitted to our hospital with complaints of fever and lower right back pain. DIAGNOSES: Computed tomography revealed a poorly defined tumor of the right kidney without metastasis. The patient underwent right radical nephrectomy and was diagnosed with clinical stage T1bN0M0 renal cancer; the pathological findings showed collecting duct carcinoma. INTERVENTIONS: After nephrectomy, multiple lung metastases were found in the following month, so first-line chemotherapy of gemcitabine (1000 mg/m on days 1 and 8, every 21 days) and cisplatin (70 mg/m on day 2, every 21 days) was administered. Due to disease progression, targeted therapy with axitinib (10 mg/body) and second-line chemotherapy of paclitaxel (200 mg/m on day 1, every 21 days) and carboplatin (area under the curve of 6 on day 1, every 21 days) were subsequently administered. However, the lung metastases progressed and new metastases spread to the right adrenal gland, liver, and lymph nodes. Based on the high expression of programmed death-ligand 1 in tumor cells, we treated the patient with the immune checkpoint inhibitor nivolumab. OUTCOMES: After 2 courses of treatment, he experienced a partial response and improved performance status, and thus was discharged from the hospital. To date, the patient is on his fifth course of treatment as an outpatient without disease progression. LESSONS: The findings of our study suggest that nivolumab may be effective even if the patient has highly progressive CDC with a low PS, if PD-L1 is highly expressed in the tumor cells.


Assuntos
Anticorpos Monoclonais/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Carcinoma de Células Renais/tratamento farmacológico , Neoplasias Renais/tratamento farmacológico , Idoso , Carcinoma de Células Renais/patologia , Humanos , Rim/patologia , Rim/cirurgia , Neoplasias Renais/patologia , Neoplasias Pulmonares/secundário , Masculino , Recidiva Local de Neoplasia , Nefrectomia/efeitos adversos , Nivolumabe , Tomografia Computadorizada por Raios X
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