Hx of gastrectomy means that many of his parietal cells were removed. Parietal cells are responsible for secretion of both HCl and intrinsic factor.
No intrinsic factor production = no B12 uptake. Hence this mans low B12 and macrocytic anemia.
submitted by โwaitingonprometric(264)
Hx of gastrectomy means that many of his parietal cells were removed. Parietal cells are responsible for secretion of both HCl and intrinsic factor.
No intrinsic factor production = no B12 uptake. Hence this mans low B12 and macrocytic anemia.