Familial Mediterranean fever as an unusual cause of acute scrotum.

Correct preoperative diagnosis is the crucial step in the management of acute scrotum. With the adjunct of color Doppler ultrasound, torsion of testicular appendages, epidydimitis and orchitis as the more common nonsurgical causes are differentiated reliably from testicular torsion or incarcerated inguinal hernia. Less frequently, acute scrotal swelling is the initial symptom of systemic disorders. Leukemic infiltration of the testis or scrotal involvement in vasculitis