| 释义 |
blue dot sign blue dot signa blue or black spot visible beneath the skin on the cranial aspect of testis or epididymis. This is a torsed testicular appendage and is usually quite tender.The appearance of a small dark blue spot on transillumination in patients with torsion of the testicular appendage or epididymis, accompanied by intense pain at or near the head of the epididymis or testis, and an isolated tender palpable nodule |