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The authors present the case of a 31 year old woman admitted with abdominal pain, fever, weight loss and malignant hypertension. The ultrasonographic examination showed an image suggesting chronic nephropathy. On the 3rd day of hospitalization an exploratory laparotomy was performed with the diagnosis of acute abdomen. There was purulent peritonitis and a segment of ileum with multiple perforations, which was resected. The anatomopathologic finding of the surgical specimen revealed polyarteritis nodosa. The patient developed multiple organ failure and evolved to death. The difficulty in establishing the diagnosis is commented and, the authors according with some studies suggest treatment with plasmapheresis because the conventional therapy with methylprednisolone and cyclophosphamide proved to be insufficient in severe cases.

The development of acute leukemia, particularly acute myeloid leukemia, represents a serious complication in patients treated with radio and/or chemotherapy for Hodgkin's disease. It has been reported with increasing frequency in the last years. Two such cases, that occurred in 87 patients treated for Hodgkin's disease, are reported. Complete autopsy was performed in both. The patients were less than 30 years old, received combined therapy during a prolonged time (more than 12 months), with an interval superior to 44 months between the diagnosis of Hodgkin's disease and the appearance of acute myeloid leukemia. The survival time was less than 12 months. Residual Hodgkin's disease was not observed.