A Case of BRCA2 Mutation-Positive Intraductal Carcinoma of the Prostate

A 75-year-old man presented with macroscopic hematuria and a high serum prostate-specific antigen (PSA) level. Macroscopic hematuria had subsided by the time of consultation. The PSA level was 38.590 ng/ml, which, along with rectal examination and magnetic resonance imaging findings, led to the susp...

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Veröffentlicht in:Hinyokika kiyo. Acta urologica Japonica. - 1962. - 69(2023), 7 vom: 09. Juli, Seite 189-192
1. Verfasser: Doi, Keisuke (VerfasserIn)
Weitere Verfasser: Fujii, Takanori, Hanamoto, Masanori, Takamura, Kousuke, Nakada, Tetsuya, Sato, Yumiko, Ogura, Kazuma
Format: Online-Aufsatz
Sprache:Japanese
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Hinyokika kiyo. Acta urologica Japonica
Schlagworte:Case Reports English Abstract Journal Article cabazitaxel 51F690397J Prostate-Specific Antigen EC 3.4.21.77 BRCA2 protein, human BRCA2 Protein
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520 |a A 75-year-old man presented with macroscopic hematuria and a high serum prostate-specific antigen (PSA) level. Macroscopic hematuria had subsided by the time of consultation. The PSA level was 38.590 ng/ml, which, along with rectal examination and magnetic resonance imaging findings, led to the suspicion of prostate cancer. Transrectal needle biopsy of the prostate revealed intraductal carcinoma of the prostate (IDC-P). Computed tomography and bone scintigraphy were performed, and the prostate cancer was classified as cT2cN0M0. After 6 months of combined androgen blockade therapy, a radical prostatectomy was performed; however, PSA levels continued to increase, and the patient was diagnosed with castration resistant prostate cancer. Multiple bone metastases appeared 5 months after the initiation of abiraterone therapy. Three courses of docetaxel and two courses of cabazitaxel were administered, but the disease progression continued. The IDC-P was found to be positive for the BRCA2 mutation by BRACAnalysis® performed at the start of cabazitaxel therapy. To our knowledge, no other cases of BRCA2 mutation positive IDC-P have been reported in Japan. After we started administration of Olaparib, the patient's PSA level was lowered and the disease progression stopped 
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700 1 |a Fujii, Takanori  |e verfasserin  |4 aut 
700 1 |a Hanamoto, Masanori  |e verfasserin  |4 aut 
700 1 |a Takamura, Kousuke  |e verfasserin  |4 aut 
700 1 |a Nakada, Tetsuya  |e verfasserin  |4 aut 
700 1 |a Sato, Yumiko  |e verfasserin  |4 aut 
700 1 |a Ogura, Kazuma  |e verfasserin  |4 aut 
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