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Microangiopathic hemolytic anemia (MAHA) as paraneoplastic syndrome in metastasized signet ring cell carcinomas: case reports and review of the literature.

Arkenau HT, Müssig O, Buhr T, Jend HH, Porschen R

Klinik für Innere Medizin, Klinikum Bremen Ost, Bremen, Germany. htarkenau@aol.com

We report on two spontaneous cases of microangiopathic hemolytic anemia (MAHA) as first manifestation due to metastasized signet ring carcinoma, one of gastric and one of unknown origin. The patients presented with an acute onset of Coombs negative hemolytic anemia and fragmentocytes in the peripheral blood smear which are typical for MAHA. These case reports present MAHA as a rare paraneoplastic syndrome in patients with metastasized signet ring carcinoma. Parallel to symptomatic treatment we started chemotherapy treatment (ELF and PLF regimen, respectively). In both cases we were able to control the MAHA and cancer progression.

Published 9 August 2005 in Z Gastroenterol, 43(8): 719-22.
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