Immunoglobulin G4-related acquired hemophilia: A case report

Acquired hemophilia A (AHA) is a relatively rare and life‑threatening bleeding disorder whose pathogenesis is not completely understood. The present study reports a rare case of immunogubulin (IgG)4‑related AHA with multisystemic involvement. A 55‑year old male patient presented with symptoms of bronchial asthma and multiple subdermal hematomas. Chest computed tomography showed multiple diffuse nodular lesions with thickening of bronchovascular...