A 12 year old male woke up in the middle of the night with left mid abdominal pain. This was followed by nausea and persistent vomiting, with severe left flank pain. Initial evaluation at an outsid…

A 61 year old man with metastatic tonsillar squamous cell carcinoma and chronic kidney disease presents with flank pain.  He is found to have a new left retroperitoneal fluid collection and associa…

A 3 year old female presents with recent episode of fever and dysuria. Initial evaluation with voiding cystourethrogram (VCUG). Filling Phase images: Voiding Phase images:       &nbs…

A 47 year old woman presents with chronic right abdominal pain. She is noted to have a low grade fever and microscopic hematuria at her primary care clinic. Initial evaluation with renal ultrasound…

A 65 year old man presents with an incidentally noted right renal mass. The patient underwent additional imaging and below is the raw SPECT data. What radiotracer is being used? How can this inform…

A 78 year old woman has recent history of urothelial cancer of the renal pelvis status post right nephrectomy. She undergoes an FDG PET/CT for an indeterminate liver lesion. The liver lesion was no…