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Inmunoelectroforesis en orina - Results

Nombres alternativos

Electroforesis de inmunoglobulinas en orina; Electroforesis de gammaglobulinas en orina; Electroforesis de inmunoglobulinas urinarias; IEF en orina

Valores normales:

Normalmente, no hay o sólo hay una pequeña cantidad de proteína en la orina. Cuando se presenta proteína en la orina, normalmente consta sobre todo de albúmina.

Los rangos de los valores normales pueden variar ligeramente entre diferentes laboratorios. Hable con el médico acerca del significado de los resultados específicos de su examen.

Significado de los resultados anormales:

La inmunoglobulina (anticuerpos) en la orina puede resultar de:

Los resultados anormales pueden deberse a ciertos tipos de cáncer, como mieloma múltiple o leucemia linfocítica crónica. Las células relacionadas con estos tipos de cáncer producen un tipo de proteína llamada inmunoglobulina monoclonal, que se puede detectar con este examen. Sin embargo, algunas personas tienen inmunoglobulinas monoclonales, pero no tienen cáncer. Esto se denomina "gammapatía monoclonal de significado incierto" o GMSI.

  • Reviewed last on: 6/2/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; 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

McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. Philadelphia, Pa: Saunders Elsevier; 2006.

Hoffman R, Benz EJ, Shattil SS, et al, eds. Hematology: Basic Principles and Practice. 5th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2008.

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