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Revista Cubana de Hematología, Inmunología y Hemoterapia
versión On-line ISSN 1561-2996
Resumen
MARTINEZ ANTUNA, Gisela et al. Molecular diagnosis of acute promyelocytic leukemia: preliminary results. Rev Cubana Hematol Inmunol Hemoter [online]. 2000, vol.16, n.2, pp. 125-131. ISSN 1561-2996.
Acute promyelocytic leukemia (APL) is characterized by the reciprocal translocation t(15; 17) that results in fusion gene PML-RARa formation. As APL is considered to be an hematological emergency and also is given a very specific treatment with retinoic acid (ATRA), then it is very important to diagnose quickly and accurately which makes it possible in many cases to save the patient's life. At present RT- PCR methods have been developed to detect PML-RARa gen. These molecular techniques have been extremely useful in diagnosing this entity. This paper sets forth the preliminary results of molecular diagnoses of APL in 38 patients. 36 cases presented the fusion gene and 2 did not. Of the total number of positive patients, 19(55%) were bcr 1, 2 (5%) were bcr 2 and 14(40%) bcr 3. All the patients with positive results were responsive to treatment with ATRA. One of the two patients with negative results showed the existence of t (11; 17). These two patients did not respond to treatment with ATRA
Palabras clave : LEUKEMIA, PROMYELOCYTIC, ACUTE [diagnosis].