An Unusual Case of Rib Anomalies in Number and Morphology with Association of Vertebral and Sternum Anomalies: Computed Tomography Diagnosis
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Abstract
A significantly less number of ribs with multiple developmental anomalies in ribs, spine, and sternum is very rare anomaly. We report a case of a 50‑year‑old man with 15 number of ribs, absent first, second, fourth, seventh and eleventh ribs on the left and absent first, third, eight and tenth ribs on the right side, along with a bifid anterior end of the left sixth rib, fused posterior ends of right fifth and sixth ribs, and bilateral hypoplastic 12th ribs. These anomalies were also associated with thoracolumbar block and hemivertebrae as well as a small sternum. All findings were identified incidentally on computed tomography. No similar type of rib anomalies was found in previous literature. We discuss the details of this case, and suggest a perspective of morphology and developmental biology.
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