Heparin treatment for the hemorrhagic diathesis of acute promyelocytic leukemia.
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A 66-year-old man with metastatic prostatic carcinoma treated with high-dose (5 mg) diethylstilbestrol therapy underwent orchiectomy to allow discontinuation of estrogen. An extensive ecchymosis developed postoperatively in an area covered by elastic dressing tape; subsequently, it was learned that the patient had a recent history of frequent ecchymoses with mild trauma that proceeded to vesiculation. His alpha2-antiplasmin level was 132 percent, fibrin split products 4 micrograms/ml, and fibrinogen 293 mg/dl; routine coagulation results were normal. However, the level of releasable vascular plasminogen activator in a specimen drawn prior to surgery was 3.6 CTA units/ml, the highest value ever reported in this laboratory.
We report the association of oculocutaneous albinism and defective platelet function, the Hermansky-Pudlak syndrome, in two young Puerto Rican patients, a 17-year-old boy and a 9-year-old girl. Wide variation in pigmentation may obscure the diagnosis of albinism. Puerto Rican albinos are at increased risk of inheriting this autosomal recessive syndrome. Although usually mild, bleeding in affected patients can be life-threatening, especially after aspirin administration. Albino patients should be questioned about a history of bleeding and referred for hematologic consultation.
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Two new families with history of thrombosis and high levels of histidine-rich glycoprotein (HRG) are described. The propositus of family 1 died of massive pulmonary embolism at age 34. Among his relatives, the mother and the maternal grandmother had suffered from deep and superficial vein thrombosis in their youth. A maternal aunt had several episodes of superficial vein thrombosis (SVT). High levels of HRG were found in the mother, three siblings and two nephews. In the second family, the proposita suffered from spontaneous deep vein thrombosis (DVT) at age 24. The paternal grandmother and a paternal aunt had several episodes of SVT and DVT. Also in this family, high levels of HRG cosegregated with thrombotic symptoms. These new families confirm that genetically transmitted high levels of HRG could be associated to familial and juvenile thrombophilia.
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We recently reported the occurrence of myelitis in patients with atopic disorders and its pathology to be eosinophilic inflammation. Because similar cases have been reported, we conducted a nationwide epidemiological survey (NES) of myelitis with atopy in Japan. We compared the clinicolaboratory features of the 30 NES cases with the 49 cases at Kyushu University Hospital (KU). Although the NES cases were distributed throughout Japan, the NES and KU cases shared common characteristics. We therefore combined all of the cases identified. The average onset age was 35.8+/-13.4 years, and the male/female ratio was 1:0.65. The onset mode was subacute/chronic in half the patients, and stepwise progression or symptom fluctuation was frequent (69.6%). The most common lesion site was determined clinically and by MRI to be the cervical cord, and paresthesia and/or dysesthesia were the most common symptoms initially (74.7%) and throughout the entire course (83.5%). Cerebrospinal fluid (CSF) abnormalities were infrequent and mild. These findings suggest that myelitis associated with atopy has mild but prolonged symptoms and occurs throughout Japan.
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