Case Presentation: A previously healthy 13-year-old male presented with a chief complaint of lower back pain and rash for the past 3 weeks. Associated symptoms included profuse sweating and 10/10 lower back pain radiating to his legs that had progressed in severity with inability to ambulate. On additional questioning, other symptoms included nausea, vomiting, diffuse [...]

Case Presentation: Fibrillary glomerulonephritis and immunotactoid glomerulopathy are rare renal disorders, being present in 0.5 to 1.4 percent of kidney biopsies. Although they are distinct glomerulopathies, they are both nonamyloid fibrillary glomerular diseases and as such, they are Congo red negative on immunohistochemistry. Discussion: Patient is a 75 years old male with PMH of HTN, [...]

Case Presentation: A 64-year-old female with hereditary transthyretin amyloidosis (hATTR) and hypothyroidism presented with three days of dull pain localized bilaterally to the biceps femorum, recurrent emesis, and anorexia. Her past medical history includes complications of hATTR (being treated with patisirtan and tafamidis); polyneuropathy, small bowel enteropathy, and cardiomyopathy with associated recent bioprosthetic mitral and [...]

Case Presentation: A 69- year- old man with a past medical history of sigmoidectomy, colorectal anastomosis and loop ileostomy for a large bowel obstruction due to sigmoid stenosis one month prior presented with coffee ground emesis and abdominal pain. Physical exam was notable only for tachycardia. His labs were notable for a white blood cell [...]