TY - BOOK AU - Al-Shbool, Ghassan AU - Vakiti, Anusha TI - Acquired Hemophilia A Presenting as Intramuscular Hematoma SN - 2324-7096 PY - 2018/// KW - IN PROCESS -- NOT YET INDEXED KW - MedStar Washington Hospital Center KW - Medicine/Internal Medicine KW - Journal Article N2 - Acquired hemophilia A poses a clinical and diagnostic challenge. Although rare, it is still the most common acquired factor deficiency. We present a case of acquired hemophilia A diagnosed in a 71-year-old female who presented with a right thigh hematoma of acute onset. The diagnosis was established based on the coagulation profile along with factor VIII levels, mixing studies, and inhibitor levels. The patient received multiple lines of therapy including steroids, factor VIIa, Obizur (porcine-derived recombinant factor VIII), followed by multiple cycles of chemotherapy including cyclophosphamide and rituximab UR - https://dx.doi.org/10.1177/2324709618817572 ER -