Rejected
at 2:13 a.m. Feb, 25, 2024 ]
by
herstein.jacob
Author:
ma7moudgamal66
Type of change:
Updated content
Rationale for change
The previously written pahogenesis is not the primary one. Accoring to UW, pernicous anemia is more likely associated with cell mediated immunity.
Source: UWorld - Step 1 12068
Rejection reason
AMBOSS, FA23, and other sources highlight autoantibodies - would need some backup beyond this UW question to change
Current
Suggested
Extra
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Text
The cause of {{c1::pernicious}} anemia is lack of {{c2::intrinsic factor}}, which leads to vitamin {{c3::B12}} deficiency
Lecture Notes
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Missed Questions
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Pathoma
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Boards and Beyond
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First Aid
Sketchy




Watch Megaloblastic Anemia Folate Deficiency Vitamin B Deficiency





Watch Acute & Chronic Gastritis & Peptic Ulcer Disease




Watch Gastric Acid Secretion & Regulation







Watch Gastric Secretions




Watch Megaloblastic Anemia Folate Deficiency Vitamin B Deficiency





Watch Acute & Chronic Gastritis & Peptic Ulcer Disease




Watch Gastric Acid Secretion & Regulation







Watch Gastric Secretions
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Watch Macrocytic Anemia DDx









Watch Macrocytic Anemia DDx





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Picmonic
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Physeo
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Bootcamp
Watch associated Bootcamp video - Stomach : Pernicious Anemia
Watch associated Bootcamp video - Physiology : Vitamins
Watch associated Bootcamp video - Macrocytic Anemia: Cobalamin (Vitamin B12) Deficiency
Watch associated Bootcamp video - Vitamins: Introduction to Vitamins
Watch associated Bootcamp video - Stomach : Pernicious Anemia
Watch associated Bootcamp video - Physiology : Vitamins
Watch associated Bootcamp video - Macrocytic Anemia: Cobalamin (Vitamin B12) Deficiency
Watch associated Bootcamp video - Vitamins: Introduction to Vitamins
OME
Additional Resources
- Due to lack of intrinsic factor/B12 absorption (terminal ileum)


- Presents as macrocytic, megaloblastic anemia

- autoimmune destruction of parietal cells (chronic autoimmune gastritis) leads to intrinsic factor deficiency
- other causes include gastrectomy (no IF), veganism, alcoholism, Crohn disease (terminal ileum), ileal resection, blind loop syndrome, Diphyllobothrium latum


One by one
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