Testicular Torsion From Bell-clapper Deformity.

A 12-year-old otherwise healthy boy presents to a local emergency room with sudden onset, sharp, continuous left testicular pain for 9 hours, associated with nausea and vomiting. Exam and ultrasound is consistent with testicular torsion. During scrotal exploration, a bell-clapper deformity of the left testicle is appreciated, with a normal gubernacular attachment of the right testicle. Bell-clapper deformity is a congenital failure of the posterior attachment of the gubernaculum to the testis, which increases testicular mobility within the tunica vaginalis and predisposes individuals to testicular torsion.
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