ABSTRACT
Q. A 15-year-old boy (see Figure 7.1) is referred to you with acute onset right testicular pain. What is the differential diagnosis?
A. The differential diagnosis includes testicular torsion, epididymo-orchitis, testicular trauma, torted hydatid of Morgagni and mumps orchitis (and idiopathic scrotal oedema if the boy had been under 10 years of age).
