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Updated: Jul 11, 2026

05:28
Enucleation of the Prostate for the Treatment of Benign Prostatic Hyperplasia Using a 980 nm Diode Laser
Published on: May 5, 2020
[Giant phyllodes tumor of the prostate]
Naoki Kawamorita1, Yasuo Inaba, Fumihiko Soma
1Hachinohe City Hospital, Department of Urology, Japan.
Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|October 13, 2007
Summary
A rare giant phyllodes tumor of the prostate was surgically removed from a 55-year-old man. Despite initial success, recurrence necessitated further surgery, highlighting the need for close monitoring of this prostate stromal proliferation.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Phyllodes tumors of the prostate, a rare entity, present diagnostic and therapeutic challenges.
- Prostatic stromal proliferation of uncertain malignancy (PSTUMP) requires careful evaluation due to potential for recurrence.
Observation:
- A 55-year-old male presented with a massive abdominal mass causing organ compression.
- Imaging revealed a large retroperitoneal tumor; surgical resection yielded an 8.6 kg mass.
- Histopathology showed a biphasic tumor with cystic areas positive for prostate-specific antigen (PSA).
Findings:
- The tumor was diagnosed as a phyllodes tumor of the prostate (PSTUMP).
- Post-operative PSA levels declined, but recurrence was detected via MRI within a month.
- Radical prostatectomy and residual tumor resection were performed.
Implications:
- Phyllodes tumors of the prostate, despite initial surgical removal, have a high recurrence rate.
- Established diagnostic criteria and treatment protocols for PSTUMP are lacking.
- Close follow-up is crucial for managing this rare and recurrent prostatic neoplasm.
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