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  • Title: Prolonged survival in two cases of T-prolymphocytic leukemias with complex hypodiploid chromosomal abnormalities.
    Author: Yokohama A, Karasawa M, Takada S, Matsushima T, Murakami H, Miyao S, Sato S, Naruse T.
    Journal: J Med; 2000; 31(3-4):183-94. PubMed ID: 11280450.
    Abstract:
    We encountered two cases of T-prolymphocytic leukemias (T-PLL) with complex hypodiploid chromosomal abnormalities. Both cases showed mild organomegaly and marked leukocytosis (144.5 x 10(9)/L, 102.6 x 10(9)/L, respectively). Although both cases developed into refractory progressive diseases at the terminal stage, the oral administration of dexamethasone was very effective for leukocytosis and thrombocytopenia in case 1 and oral cyclophosphamide was effective for reducing elevated leukocytes and the organomegaly in case 2. Despite the poor prognosis of T-PLL, our cases showed that less toxic therapies such as oral dexamethasone or cyclophosphamide may be the treatment of choice for patients with an indolent phase of T-PLL. Our study and previously reported findings suggest that complex hypodiploid chromosomal abnormalities are characteristic in T-PLL.
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