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Syndrome reference sheet
Generated 12 Oct 2026
Hematology · Hematology / Metabolic hematology

Folate malabsorption syndrome

Also known as: Hereditary folate malabsorption

Megaloblastic anemia and neurologic problems from impaired intestinal folate absorption.

Medical specialty
Hematology
Subspecialty
Hematology / Metabolic hematology
Sex & age distribution
Male: affected; Female: affected equally; Children: yes, infancy
Gene(s) involved
SLC46A1

Etiology & mechanism

PCFT deficiency.

Gene(s) involved (1)

SLC46A1

Symptoms & signs (5)

developmental delaydiarrheaimmunodeficiencymegaloblastic anemiaseizures
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