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Rev. lab. clín ; 12(4): 171-174, oct.-dic. 2019. ilus
Article in Spanish | IBECS | ID: ibc-187315

ABSTRACT

La leucemia/linfoma de células T del adulto es una neoplasia de linfocitos T causada por el retrovirus humano HTLV-1, con manifestaciones sistémicas y cutáneas muy variables. El HTLV-1 afecta a más de 5-10 millones de personas en el mundo y su distribución geográfica en zonas endémicas se encuentra íntimamente ligada a la prevalencia de leucemia/linfoma de células T del adulto. Existen distintas variantes en función de su presentación clínica siendo las de peor pronóstico la aguda y el linfoma. El diagnóstico diferencial presenta dificultades debido a la inespecificidad de los síntomas. En el laboratorio de análisis clínicos la sospecha diagnóstica es mediante el estudio citológico en sangre periférica con la observación de células características del leucemia/linfoma de células T del adulto


Adult T-cell leukaemia/lymphoma is a mature peripheral T-cell leukaemia of adults associated with infection by the human retrovirus HTLV-1 that presents with highly variable systemic and cutaneous manifestations. HTLV-1 is estimated to affect at least 5-10 million people worldwide, and its geographic distribution in endemic regions is closely related to ATLL prevalence. Adult T-cell leukaemia/lymphoma is classified into different clinical types according to its clinical characteristics, with acute and lymphomatous types having the worst prognosis. Differential diagnosis of adult T-cell leukaemia/lymphoma can be difficult due to the non-specific symptoms in affected individuals. The Clinical Analysis laboratory can help initiate the diagnosis by visualising pathognomonic cells for adult T-cell leukaemia/lymphoma in a peripheral smear


Subject(s)
Humans , Female , Middle Aged , Leukemia-Lymphoma, Adult T-Cell/diagnosis , Human T-lymphotropic virus 1/isolation & purification , T-Lymphocytes/classification , Blood Chemical Analysis/methods , Antiviral Agents/therapeutic use
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