text: <unk>  is a retention cyst of a tubule of the rete testis or the head of the epididymis distended with a milky fluid that contains spermatozoa.<unk> s are the most common cystic condition encountered within the scrotum. They vary in size from several millimeters to many centimeters.<unk> s are generally not painful. However, some men may experience discomfort from larger<unk> s.
option_0: Spermatocele
option_1: Hydrocele
option_2: Testicular cyst
option_3: Varicocele
option_4: Hydrocele testis
option_5: Pneumatocele
option_6: Scrotal cyst
option_7: Cystocele