Abstract
A retroperationeal cavernous hemangioma especially accompanied with Kasabach-Merrit syndrome has been rarely reported. A 68-year-old woman was admitted to the hospital because of abdominal fullness. On physical examination, she appeared healthy except for a first sized elastic hard tumor palpated in the left hypochondrium. Laboratory studies including tumor markers were all negative. CT and magnetic reso-nance imaging (MRI) studies revealed a well demarcated tumor near the left iliolumbar muscle, 10 by 10cm in size, containing a cystic component and calcification in part. After admission, thrombocytopenia with bleeding tendency was developed. Anti-DIC therapy was started, which however, was not effective. Eventually, emergent life saving surgery was performed under thrombocyte transfusion, because the mass lesion which might have caused DIC was suspected to be malignant. She recovered from DIC state immediately after the tumor extirpation. She was doing well, when discharged on the 20th postoperative day. Pathological diagnosis was defined to be carvenous hemangioma with intravascular papillary endothelial hyperplasia. The pathogenesis of Kasabach-Merritt syndrome related to the cavernous hemangioma was also considered in this case.
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