Imerslund-Grasbeck syndrome (IGS) or selective vitamin B12 (cobalamin) malabsorption with proteinuria is a rare autosomal recessive disorder characterized by vitamin B12 deficiency commonly resulting in megaloblastic anemia, which is responsive to parenteral vitamin B12 therapy and appears in childhood.

Synonyms:

Selective cobalamin malabsorption with proteinuria

Familial megaloblastic anemia

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Term information

database cross reference
expertlink
  • https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=35858
hasDbXref
  • ICD-10:D51.1
  • OMIM:261100
  • OMIM:618882
  • UMLS:C1306856
has age of onset
  • http://www.orpha.net/ORDO/Orphanet_409946
has inheritance
  • http://www.orpha.net/ORDO/Orphanet_409930
has point prevalence range
  • http://www.orpha.net/ORDO/Orphanet_409981
  • http://www.orpha.net/ORDO/Orphanet_409976
notation
  • ORPHA:35858
part of
  • http://www.orpha.net/ORDO/Orphanet_98396
  • http://www.orpha.net/ORDO/Orphanet_79171
  • http://www.orpha.net/ORDO/Orphanet_104004
  • http://www.orpha.net/ORDO/Orphanet_93593
present in
  • http://www.orpha.net/ORDO/Orphanet_409991
  • http://www.orpha.net/ORDO/Orphanet_410157
  • http://www.orpha.net/ORDO/Orphanet_410065