Radiotherapy for life-threatening mediastinal hemangioma with Kasabach-Merritt syndrome.

Kasabach-Merritt Syndrome (KMS) originally referred to a hemangioma associated with life-threatening thrombocytopenia and a consumption coagulopathy. Treatment includes surgery, steroids, and alpha interferon. However response may be unsatisfactory and mortality rates of 10-37% have been reported.