Imaging findings of succinate dehydrogenase-deficient renal cell carcinoma

Small cell neuroendocrine carcinoma (SCNEC) of the ureter is a rare malignant tumor originating from the metaplasia of urothelial cells. This report presents a case of ureteral SCNEC that was preliminarily disclosed by transabdominal ultrasonography; thereafter, transrectal ultrasonography and magnetic resonance urography were performed to characterize the focus.

Sonographic Findings of the Primary Mucoepidermoid Carcinoma of the BreastGui-Wu Chen1, Wen-Qin Liu1, Xiao-Min Liao2, Fen-Fen Yu3, Yu-Huan Xie11Department of Ultrasound, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China2Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China3Department of Radiology, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, ChinaRunning Title: Mucoepidermoid Carcinoma of the Breast