Ovarian tumor as manifestation of relapse in acute lymphoblastic leukemia

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Abstract
Acute lymphoblastic leukemia (ALL) was initially diagnosed in a 12-year-old girl. Maintenance chemotherapy was discontinued after 32 months of continuous remission. Relapse of ALL occurred ten months after cessation of chemotherapy. Twenty-one months after relapse, she presented with a large ovarian tumor due to leukemic infiltration while her bone marrow and central nervous system (CNS) were still in remission. She remained in bone marrow and CNS remission when disseminated leukemic infiltration of the peritoneum was found seven months later. She died of bone marrow relapse 11 months after ovarian relapse, six years and two months after the initial diagnosis. In contrast to testicular relapse, ovarian relapses in acute lymphoblastic leukemia are rarely reported.