Squamous Cell Carcinoma Arising From a Renal Calyceal Diverticulum.

Calyceal diverticulum is an eventration of the upper collecting system within the renal parenchyma. This nonsecretory outpouching is lined by transitional epithelium and communicates with the main collecting system via a narrow channel. Tumor growth arising from a calyceal diverticulum is rare, and primary squamous cell carcinoma arising from a calyceal diverticulum has never been described in literature.

Traumatic trapped penis: ultrasonography and CT findings.

We report the case of an 18-year-old man who presented with traumatic trapped penis after a motorcycle accident. Ultrasonography (US) and CT scan disclosed a trapped penis buried within the prepubic fat. Imaging findings of the traumatic trapped penis and the role of imaging study for this rare clinical condition are discussed.

Chyluria--experience of Taipei Veterans General Hospital.

Background: Chyluria is caused by rupturing of lymphatic varices into the pyelocaliceal system. Although Chyluria is rare in western countries, it is not uncommon in Asia. We would like to present the experience of diagnosis, evaluation and treatment of chyluria in Taipei Veterans General Hospital.