title: Intrathoracic extramedullary hematopoiesis secondary to B12 and folate deficiency: CT appearance.
abstract: Intrathoracic extramedullary hematopoiesis is an unusual condition, usually associated with congenital hemolytic anemias. We present a rare case due to vitamin B12 and folate deficiency diagnosed by CT-guided biopsy.
authors.affiliation: Department of Radiology, Boston University Medical Center, MA.
authors.forename: J R
authors.initials: JR
authors.lastname: Fielding
authors.forename: M
authors.initials: M
authors.lastname: Owens
authors.forename: A
authors.initials: A
authors.lastname: Naimark
mesh_terms: D000368:Aged; D005260:Female; D005494:Folic Acid Deficiency / Q000150:complications / Q000175:diagnosis*; D006411:Hematopoiesis, Extramedullary; D006801:Humans; D014057:Tomography, X-Ray Computed; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000175:diagnosis*