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We report an unusual case of a very large Pericardial Teratoma in an adult 62 year old woman. Pericardial teratomas are common in the paediatric population, however, it is rare to find a large pericardial teratoma in the elderly. A routine x-ray Chest was performed, while being investigated for symptoms of renal calculi. The x-ray revealed a large left sided mass occupying almost the entire left hemi thorax with elevated left hemi diaphragm. She underwent resection of the mass, which was radiologically thought to be hydatid cyst in view of the enhancing rim of calcification with homogenous material within. A formal left posterolateral thoracotomy was performed and the mass was seen to be arising from the pericardium and inseparable from it. The mass was excised completely along with resection of a portion of the pericardium. The final histopathology was benign mature teratoma arising from the pericardium.

Traumatic coronary artery dissection is an extremely uncommon cause of myocardial infarction. We report a case of spontaneous coronary artery dissection in an 18-year-old previously healthy male caused by myocardial contusion. He was admitted to the hospital with a history of chest trauma and fracture of the radius and ulna bilaterally resulting from a motorcycle accident. The electrocardiograms, elevated creatine kinase, and cardiac troponins revealed acute anterior myocardial infarction. The transthoracic echocardiogram showed significant segmental wall motion abnormalities and moderate left ventricular systolic dysfunction. The coronary angiogram showed a traumatic dissection involving the proximal left anterior descending coronary artery. He underwent a dobutamine echocardiography ''viability study'' that revealed significant viable myocardium involving 50% of the left anterior descending coronary artery territory. He was treated by primary stent implantation (Cypher and regular stents) with an excellent result.

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