"The exact prevalence is unknown: less than 200 cases have been reported 1 and the majority of these are adults in the second to fourth decades, with a slight female preponderance. A few foetal and paediatric cases are known, and cases may present at any age."
Expected headings
"Radiological features"
"Diagnosis is made by imaging: transthoracic or transoesophageal echocardiogram, CT or MRI."