Case Presentation: A 34 year old male with a history of CVID subclass 2 and 4, with low IgG level, absent IgA, liver nodular regenerative hyperplasia with portal hypertension, and immune thrombocytopenic purpura status post splenectomy presented with a month of nonproductive cough, mild episodes of hemoptysis, and shortness of breath. Physical exam revealed peripheral [...]

Case Presentation: A 66-year-old male with history of type 1 Von Willebrand disease, colonic polyps, and gastric ulcer from naproxen use due to osteoarthritis presented with a 3-week history of lethargy and fatigue with walking short distances. He denied melena or hematemesis but did report consistent ibuprofen use for his osteoarthritis over the past few [...]

Case Presentation: SH is a 61-year-old male with history of recurrent giardia who presented to the Emergency Department for evaluation of generalized weakness and weight loss in the setting of chronic. Over the past 4 years, he has had recurrent giardia infection despite multiple antiprotozoal agents. Upon presentation, he reported 7 watery, foul-smelling, copious episodes [...]

Case Presentation: Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by hypogammaglobulinemia and heterogenous manifestations. We present a 67-year-old woman admitted inpatient for fluctuating mental status changes along with intermittent fevers and diaphoresis for several months. Her medical history is notable for congestive heart failure, obstructive sleep apnea, and chronic abdominal pain in the [...]