Journal of clinical ultrasound : JCU · 2003
Seminal vesicle masses detected incidentally during transrectal sonographic examination of the prostate.
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Al-Saeed Osama, Sheikh Mehraj, Kehinde E O, Makar R
Аннотация
PURPOSE: The aim of this study was to review the incidence and type of seminal vesicle (SV) masses discovered during transrectal sonography (TRUS) of the prostate.
METHODS: Patients were a consecutive series of men referred for TRUS of the prostate because of lower urinary tract symptoms or elevated prostate-specific antigen levels, who were found on TRUS to have SV masses. Patients with prostate cancer involving the SVs were excluded. Cystic lesions were sampled by fine-needle aspiration and solid lesions by core biopsy, all under sonographic guidance.
RESULTS: Of the 450 patients who underwent TRUS between January 1997 and December 2001, 10 (2%) were found to have SV masses; 5 masses were cystic and 5 were solid. Cytologic evaluation of aspirated specimens revealed benign findings in all 5 cysts. Four of the 5 patients with solid SV masses had chronic schistosomiasis, and the mass in the fifth patient was a metastatic deposit from a renal cell carcinoma.
CONCLUSIONS: SV masses may be responsible for lower urinary tract symptoms in a small fraction of cases. A cystic mass is presumptively benign, whereas a solid lesion has a small probability of being malignant, especially if the patient has a primary neoplasm elsewhere. Schistosomiasis should always be considered when making a differential diagnosis in patients who live in areas where infestation is endemic.
METHODS: Patients were a consecutive series of men referred for TRUS of the prostate because of lower urinary tract symptoms or elevated prostate-specific antigen levels, who were found on TRUS to have SV masses. Patients with prostate cancer involving the SVs were excluded. Cystic lesions were sampled by fine-needle aspiration and solid lesions by core biopsy, all under sonographic guidance.
RESULTS: Of the 450 patients who underwent TRUS between January 1997 and December 2001, 10 (2%) were found to have SV masses; 5 masses were cystic and 5 were solid. Cytologic evaluation of aspirated specimens revealed benign findings in all 5 cysts. Four of the 5 patients with solid SV masses had chronic schistosomiasis, and the mass in the fifth patient was a metastatic deposit from a renal cell carcinoma.
CONCLUSIONS: SV masses may be responsible for lower urinary tract symptoms in a small fraction of cases. A cystic mass is presumptively benign, whereas a solid lesion has a small probability of being malignant, especially if the patient has a primary neoplasm elsewhere. Schistosomiasis should always be considered when making a differential diagnosis in patients who live in areas where infestation is endemic.