<prompt> Which of the following statements about Atrial myxomas is trueMost common in left atriumMore common in malesDistance metastasis are seenMost myxomas are familial  <response>: Ref Harrison 19 th ed pg 1577; 289e-1 Pathologically, myxomas are gelatinous structures that consist of myxoma cells embedded in a stroma rich in glycosaminoglycans. Most are solitary, arise from the interatrial septum in the vicinity of the fossa ovalis paicularly the left atrium, and are often peduncu- lated on a fibrovascular stalk. 