Key result
Robot-assisted seminal vesiculectomy plus chemotherapy achieves tumour-free survival with preserved genitourinary function at 5 months.
Case Report (n=1)
This is the first reported case of a primary extraskeletal osteosarcoma of the seminal vesicle, successfully treated with robot-assisted laparoscopic seminal vesiculectomy and adjuvant chemotherapy.
Successful robotic treatment in first reported seminal vesicle osteosarcoma; hypothesis-generating and leaves optimal management open.
A primary extraskeletal osteosarcoma (EOS) is a rare tumour. An EOS of the seminal vesicle has not been reported in the literature. We describe a case of a seminal vesicle EOS initially detected as a pre-rectal mass on a routine transrectal ultrasound in a 48-year-old man. A computed tomography (CT) scan confirmed the tumour to be arising from the left seminal vesicle. A robot-assisted laparoscopic seminal vesiculectomy was performed to avoid neurovascular bundle injury. Microscopic examination of the resected specimen showed a poorly differentiated osteosarcoma originating from the seminal vesicle. The patient received adjuvant chemotherapy. He is doing well without voiding or erectile dysfunction and he is tumour-free five months after surgery.
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Choi et al. (2011) conducted a case report in Primary extraskeletal osteosarcoma of the seminal vesicle (n=1). Robot-assisted laparoscopic seminal vesiculectomy and adjuvant chemotherapy was evaluated on Clinical status and tumour-free survival. Robot-assisted laparoscopic seminal vesiculectomy followed by adjuvant chemotherapy resulted in the patient being tumour-free and without voiding or erectile dysfunction at five months.
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