Testicular mixed germ cell tumor
The patient had noticed a mass in his right testicle 2 weeks ago. Ultrasound examination was inconclusive.
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MRI showed patchy hypointensities within the right testicle on T2-weighted images, but no circumscript lesion (Fig. 1). T1-weighted imaging didn't clearly show an abnormality (Fig. 2). After contrast, a rim-enhancing mass with central necrosis could be seen (Fig. 3). Orchiectomy was performed. A mixed germ cell tumor was diagnosed by histologic examination.