Case records of the Massachusetts General Hospital. Case 37-1966.
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Antiphospholipid syndrome is an uncommon auto-immune disease presenting with various clinical manifestations that may lead to surgical intervention and sometimes even life-threatening emergencies. This syndrome presents with venous and arterial thrombosis of many organs such as liver, kidney and of the skin etc. Clinical manifestations may mimic hematological disorders and be misdiagnosed in some cases due to the complexity of the symptoms. In the present study, a 65-year-old man with APS syndrome presenting with severe abdominal organ pathologies that required surgical intervention, is reported.
We present a case report of a previously healthy adult with cytomegalovirus infection that was complicated by extensive mesenteric arterial and venous thrombosis. To our knowledge, this is the first reported case of this syndrome in an immunocompetent individual who had no predisposing risk factors for thrombosis, and it demonstrates the propensity for cytomegalovirus to be involved in vascular disease.
Most of the creatine kinase (CK:EC 2.7.3.2) activity is present in skeletal muscle and myocardium. However, some activity in other organs has been reported. Theoretically, the destruction of organs that contain CK activity should release soluble enzymes into the general circulation. The effects of various destructive processes on serum creatine kinase isoenzymes in 70 patients were studied. The MB isoenzyme was demonstrated in 17 of 70 patients (24%), and the BB isoenzyme in 12 of 70 patients (17%). MB activity ranged from 3 to 12 U/l, or 0.7% to 10% of the total CK activity. BB activity ranged from 2.5 to 21 U/l, or 0.4% to 18.6% of the total CK activity. Interpretation of the results of CK isoenzyme studies should be made very carefully, especially if laboratories use CK-MB methods that measure MB and BB in combination. The diagnosis of myocardial injury should never be based solely on the presence of creatine kinase MB isoenzyme in the serum, but should be supported by additional clinical and laboratory data.
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