First occurrence of periosteal chondroma (juxtacortical chondroma) in Uromastyxmaliensis (Reptilia: Sauria: Agamidae) |
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| Authors: | Gál J Jakab C Balogh B Tóth T Farkas B |
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| Institution: | Department of Pathology and Forensic Veterinary Medicine, Faculty of Veterinary Science, Szent István University, H-1078 Budapest, István u. 2, Hungary. gal.janos@szie.aotk.hu |
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| Abstract: | The occurrence of a periosteal chondroma (juxtacortical chondroma) in an adult male Uromastyx maliensis is documented for the first time. The chondroma developed near the right shoulder joint from the periosteal membrane, causing partial atrophy in the surrounding skeletal muscles. In the chondroma tissues widespread central necrosis and secondary calcium salt deposition were observed. Monomorphic chondrocytes were irregularly spread in the chondromucin matrix. The lizard had locomotor problems due to irritation of the periosteum and reduced movement of the bones constituting the shoulder joint caused by the chondroma. |
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