Palabras clave
peripheral blood leukocytes;
abnorrnal granules
cytological
cytochemical and immunological study
lymphocyte subsets
Cómo citar
Resumen
This article describes studics of two unrelated patients, aged near 2 years, with leukocyte granulation abnonnalitics similar to those presented in the Chediak-Higashi Syndrome (CHS). Both patients showed dermatologic manifestations characterized by hypopigmentation of the hair and skin, The cytological and cytochemical study of the peripheral blood leukocytes demonstrated giant abnonnal granules with lisosomal content presented in neutrophils, eosinophils and monocytes. The mononuclear cells displayed one large azurophil granule. The cytochemical functional study of neutrophils showed normal nitrobluc-tetrazolium reduction test, The immunological status of the patients were made and in patient 1 was detected a low number of T helper lymphocytes and a maintenance of lymphocytes in continuous cell culture for five weeks without addition of external growth factor. These findings with clinical manifestations permited to establish the CHS, in these cases.
Citas
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Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
Derechos de autor 1990 Revista do Instituto Adolfo Lutz
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