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[Acute myeloid leukemia with intracranial tumor formation--case report].

A 44-year-old house-wife was admitted to the hematological clinic of our hospital on December 21, 1981 for the treatment of acute myeloid leukemia. Hematological examination showed severe anemia, leukocytosis and thrombocytopenia. She was soon started on DCMP therapy (Daunomycin, Cytosine arabinoside, 6-MP and prednisolone). After several repeats of remission and aggravation, she suffered from vertigo, nausea and vomiting in early August of 1982. The CT scan and angiography showed a mass lesion in the middle of the posterior cranial fossa. On August 26, surgical extirpation of the tumor locating in the vermis of the cerebellum was performed successfully. On gross examination the tumor revealed smooth yellowish-red surface, elastic in consistency and measured 40 X 40 X 30 mm in size. Histologically it comprised the leukemic cells. The pathology of the central nervous system due to leukemic cells was discussed in relation to the pertinent literature, including the CT findings and the indication of the surgical treatment.