Imaging-guided drainage of renal abscess: A case report and literature review.

Unlabelled: Renal and perinephric abscesses are rare but severe infections of urinary tract. It may have atypical causes and requires usually an emergency management. A young patient presented with right flank pain, fever and chills was diagnosed with a large renal abscess ruptured in perinephric space.

Xantogranulomatous pyelonephritis: The missed diagnosis.

Introduction: Xantogranulomatous pyelonephritis (XGPN) is a rare chronic inflammatory disease of the kidney that can be focal or diffuse with the focal form imitating greatly renal cell carcinoma (RCC).

Presentation Of Case: We report a challenging clinical case of a 38-year old male with right flank pain persisting for 3-months, imaging showed an 8cm heterogenous mass of the upper pole of the right kidney and invading the liver. A right radical nephrectomy including the adrenal in the resection was performed under the tentative diagnosis of renal cell carcinoma (RCC) whereas histology revealed focal XGPN.