Distal end of ulna

Bizarre parosteal osteochondromatous proliferation (BPOP), first described by Nora et al. in 1983 and therefore termed “Nora’s lesion”, is a rare lesion that occurs in the short bones of the hands and feet and eventually presents as a parosteal mass. Reports of BPOP in the long bones are very rare.

5p vioregon2711 22-02-2021 11 2   Download

The present study was conducted on the wing bones of an adult great Indian horned owl. The humerus was the largest of the wing bones. It had a slightly twisted cylindrical shaft and two expanded extremities. The proximal extremity had a distinct elongated head, a medial tuberosity and a lateral tubercle which continued as the prominent deltoid crest caudolaterally. Distal extremity on its caudal aspect had a wide shallow olecranon fossa. Ulna was thicker and radius was slender rod like.

6p caygaocaolon4 04-04-2020 8 1   Download