Case Presentation: 58 year old African-American female child-care worker with history of GERD presented with symptomatic anemia. She was in her usual state of health until ten days prior to presentation, when she had several days of GI illness consisting of abdominal pain and diarrhea. Her symptoms self-resolved, only with residual mild epigastric abdominal pain. [...]

Case Presentation: A 43-year-old woman with controlled hypothyroidism presented to her primary care physician for evaluation of one-month of progressive fatigue, dizziness, and “disconnected” feeling. She noted decreased appetite leading to a twenty-pound weight loss. Following a benign physical examination, lab work demonstrated a striking macrocytic anemia with hemoglobin at 5.7 g/dL and mean corpuscular [...]