Coronary circulation anomalies are the uncommon cause of chest pain when hemodynamically significant. Multidetector computed tomography (CT) of coronary arteries is rapidly replacing conventional angiography, nowadays, as the first line of investigation for the imaging of coronary artery disease due to its noninvasive nature. CT coronary angiography in addition to diagnosing anomalies of coronary arteries is especially good in the delineation of ostial origin and proximal course. Superdominant right coronary artery (RCA) with absent left circumflex artery (LCx) is such a rare congenital coronary artery anomaly which can mimic atherosclerotic disease clinically with very few case reports in the literature which can be diagnosed and evaluated with accuracy by CT angiography.
A 39-year-old female presented to our hospital with complaints of no specific low-grade pain and tenderness of left thigh and leg with small palpable swelling within the left upper thigh. On imaging, expansile bony lesions were noted in left femur and tibia suggestive of fibrous dysplasia with two small intramuscular soft tissue swellings in the upper and mid-thigh which proved to be myxomas on histopathological examination. The association of these two findings is known as Mazabraud syndrome.
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