Biopsy Important… Very painful. Need a consent for this procedure. It is very invasive. Marrow biopsy is taken from the posterior iliac crest.
Lymph node biopsy = can either be open or closed.
Open means the lymph node is removed and looked at under a microscopelosed means the lymph node is aspirated.
rationale: parietal cells of the stomach secrete intrinsic factor, a substance necessary for the absorption of vitamin B 12
hemorrhage and infection
rationale: hemorrhage from thrombocytopenia and infection from neutropenia are the GREATEST RISKS of the patient with aplastic anemia.