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Anemia por deficiencia de vitamina B12 - Symptom

Nombres alternativos

Anemia macrocítica

Síntomas:

Las personas con anemia leve pueden no tener síntomas o pueden ser muy leves.

Los más típicos de la anemia por deficiencia de vitamina B12 abarcan:

Los síntomas de daño a nervios causado por deficiencia de vitamina B12 que han estado presentes por mucho tiempo abarcan:

  • Confusión o cambio en el estado mental (demencia) en casos severos
  • Depresión
  • Pérdida del equilibrio
  • Entumecimiento y hormigueo de manos y pies

Signos y exámenes:

Un examen físico puede mostrar problemas con los reflejos o reflejo de Babinski positivo.

Se pueden realizar los siguientes exámenes:

Se puede llevar a cabo una esofagogastroduodenoscopia (EGD) para examinar el estómago o enteroscopia para examinar el intestino delgado.

Se realiza una biopsia de médula ósea únicamente cuando el diagnóstico no está claro.

  • Reviewed last on: 1/31/2010
  • Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Antony AC. Megaloblastic anemias. In: Hoffman R, Benz Ej, Shattil SS, et al., eds. Basic Principles and Practice. 5th ed. Philadelphia, Pa: Elsevier Churchill Livingstone;2008:chap 39.

Kaferle J, Strzoda CE. Evaluation of macrocytosis. Am Fam Physician. 2009;79:203-208.

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