Combined Immunodeficiency and Megaloblastic Anemia with or without Hyperhomocysteinemia
congenital intrinsic factor deficiency
copper deficiency myelopathy
Cystic Fibrosis with Helicobacter Pylori Gastritis, Megaloblastic Anemia, and Subnormal Mentality
endemic goiter
Folate-Responsive Megaloblastic Anemia
folic acid deficiency anemia +
homocystinuria-megaloblastic anemia cblE type
Imerslund-Grasbeck Syndrome +
iron deficiency anemia +
Keshan disease
Lubani Al Saleh Teebi Syndrome
Megaloblastic Anemia due to Dihydrofolate Reductase Deficiency
methylmalonic aciduria and homocystinuria type cblC
pernicious anemia +
A megaloblastic anemia occurring in children but more commonly in later life, characterized by histamine-fast achlorhydria, in which the laboratory and clinical manifestations are based on malabsorption of vitamin B 12 due to a failure of the gastric mucosa to secrete adequate and potent intrinsic factor. (Dorland, 27th ed)