| COMBINED IMMUNODEFICIENCY AND MEGALOBLASTIC ANEMIA WITH OR WITHOUT HYPERHOMOCYSTEINEMIA (CIMAH) | |
| METHYLENETETRAHYDROFOLATE DEHYDROGENASE 1 DEFICIENCY | |
|
617780
OMIM = Online Mendelian Inheritance of Men | |
|
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| C-1-tetrahydrofolate synthase, cytoplasmic | |
| 14q23.3 |
|
| rare autosomal recessive mutation in the MTHFD1 gene | |
| Laboratory findings | Homocysteine inc (serum) Methylmalonic acid inc (plasma) |
| Symptoms | anemia cirrhosis or fibrosis of liver hearing defect, deafness immunodeficiency infections (respiratory tract/system) megaloblastic anemia mental retardation onset, childhood onset, infancy retinopathy seizures skin rash, eczematous or seborrhoic thrombopenia, thrombocytopenia vomiting |