Abstract

BELTRAN, María Camila; VERA-CHAMORRO, José Fernando; ESPINOSA, Lina María  and  HANI., Albis Cecilia. Refractory iron deficiency anemia as an early manifestation of autoimmune gastritis in a teenager. Rev. colomb. Gastroenterol. [online]. 2022, vol.37, n.2, pp.220-224.  Epub Aug 25, 2022. ISSN 0120-9957.  https://doi.org/10.22516/25007440.761.

Autoimmune gastritis is an underdiagnosed disease in the pediatric population due to the absence of specific signs and symptoms and late clinical manifestations. Iron deficiency anemia has recently been identified as an early hematological manifestation, allowing an early diagnostic approach. We present the case of a Colombian teenager, with no history of autoimmunity, with refractory iron deficiency. He underwent extension studies; biopsies and serology compatible with autoimmune gastritis were documented, requiring parenteral iron in its evolution. This pathology is underdiagnosed in our context since early diagnosis requires a high index of suspicion to prevent associated complications.

Keywords : Autoimmune gastritis; iron deficiency anemia; parietal cells; oxyntic glands; enterochromaffin cells; pernicious anemia; children; teenagers.

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