Abstract
MULTIPLE small pulmonary arteriovenous fistulas are recognized as a cause of central cyanosis, clubbed fingers and polycythemia. It has been held that these fistulas result from congenital vascular anomalies. Recent evidence suggests that some such lesions may not be congenital in origin. It is the purpose of this report to review that evidence and to present data on 2 patients with multiple small pulmonary arteriovenous fistulas, 1 of whom exhibited a previously unrecognized form of this disease. The other patient had congenital fistulas, but presented the unusual complication of cirrhosis of the liver.Method of StudyPertinent to the study . . .
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