cases, kidney Week 74: Case 5 April 26, 2023 pathadmin 1. Presented by Mark Haas, M.D. and prepared by Carol Allan, M.D.A 59 year old African-American man presented to the emergency room in August, 2000 with a three day history of fatigue, nausea, and headaches. His symptoms started the day after doing extensive and strenuous work in his yard. He has also noted a decrease in his urine output. In the ER, he was found to have a serum creatinine of 14.5 mg/dL. Urinalysis showed only trace protein (by dipstick) with rare RBCs. Medical history is remarkable for a five year history of hypertension, well controlled with medication. He also occasionally takes Advil for "arthritis". He was admitted to the hospital and underwent a renal biopsy./images/Mh5.1.jpg/images/Mh5.2.jpg/images/Mh5.3.jpg/images/Mh5.4.jpgLight chain cast nephropathy ("myeloma kidney")Acute interstitial nephritisChronic pyelonephritisAcute tubular necrosis secondary to rhabdomyolysis Loading...