Ultrasonographically determined size of seminiferous tubules predicts sperm retrieval by microdissection testicular sperm extraction in men with nonobstructive azoospermia

Abstract excerpt

OBJECTIVE: To investigate the value of the ultrasonographically determined size of seminiferous tubules and other conventional parameters for predicting sperm retrieval by microdissection testicular sperm extraction (micro-TESE). DESIGN: Clinical retrospective study. SETTING: Two urological clinics. PATIENT(S): Eight hundred six men with nonobstructive azoospermia. INTERVENTION(S): Micro-TESE. MAIN OUTCOME...

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