title: Extramedullary hematopoiesis presenting as a pelvic mass in a patient with beta-thalassemia intermedia.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006410:Hematopoiesis; D006413:Hematopoietic System / Q000473:pathology; D006720:Homozygote; D006801:Humans; D010386:Pelvic Neoplasms / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013667:Technetium; D013789:Thalassemia / Q000473:pathology*
chemical_list: D013667:Technetium