To the Editor.
—In the GRAND ROUNDS of the January Archives (1980; 140:93-95), the cause of infectious thrombotic thrombocytopenic purpura (TTP) was discussed. This has prompted us to share our experience with TTP and its association with Bacteroides bacteremia. We have successfully treated this disease with plasma infusion and short-course treatment with steroids. Such an association has not yet been reported.
Report of a Case.
—A 55-year-old man was hospitalized because of a sudden onset of epigastric pain, cognitive defects, chills, and fever. The patient's temperature was 37.8 °C, his pulse rate was 108 beats per minute, and his blood pressure was 145/85 mm Hg. Poor dental hygiene was indicated by gingivitis and periapical abscesses. Neurological examination disclosed cognitive defects including memory disturbances, fluctuating sensorimotor aphasia, and a seventh nerve paralysis of the lower left side of the face. No organ enlargement or lymphadenopathy was found. The hemoglobin value was