Pernicious anemia presenting as pancytopenia
A 33-year-old male with no medical conditions presented to the emergency room with complaints of shortness of breath both on exertion and at rest. His symptoms had progressively worsened for the past 3 months with associated right-sided headaches relieved with NSAIDS, epigastric pain and an episode of black stool. He drinks alcohol socially and denied use of nitrous oxide.
Anusim N, Douglas‐Nikitin V, Jaiyesimi I. Pernicious anemia presenting as pancytopenia. eJHaem. 2021 Nov;2(4):861-2.