Case Presentation: A 60-year old gentleman with past medical history of liver transplant 5 years ago presented to the hospital with acute onset of right-sided knee pain. For his immunosuppressive regimen, he took 2 mg/day of tacrolimus. However, the patient reported noncompliance with his outpatient follow-up. His social history was negative for excessive alcohol use [...]

Case Presentation: A 64 year old man with a history of membranous nephropathy on tacrolimus and recent cerebral arteriovenous malformation (AVM) repair, with stent placement seven months prior, presented to the emergency room with one day of progressive lethargy, frontal headache, photophobia, and confusion with subjective fevers and nausea.His vitals on presentation were significant for [...]

Case Presentation: 50 year old male with past medical history of multiple myeloma status post bone marrow transplant, on tacrilomus presented with 2 day history of worsening abdominal pain, bloating and right-sided flank pain. Physical examination was remarkable for involuntary guarding of the abdomen and absent bowel sounds. CT of the abdomen/pelvis showed pneumatosis involving [...]