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2025, Vol: 15, Issue: 2
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Fibroblastic osteosarcoma in a lion (Panthera leo)

L. Leonardi1, E. Lepri1, S. Nannarone2, O. Olivieri2 And L. Mechelli1.


Cited By:5

Abstract
This report describes a case of spontaneous fibroblastic osteosarcoma in the humerus of a lion from a private park in Perugia, Italy. The tumor had an irregular, smooth, brown surface and a generally firm, rubbery consistence with gritty to hard areas interspersed. The mass was poorly vascularized with areas of necrosis at the periphery. The cut surface showed a multilobulated mass that had breached the humeral cortex, with periosteal production of reactive bone. The mass invaded the epiphysis, the synovial membrane, the joint capsule and ligaments. A mild hemorrhagic effusion appeared in the joint space. Clinical signs, gross and histopathologic findings are described in this rare case of a malignant bone tumor.

Key words: Bone tumor, Fibroblastic, Humerus, Osteosarcoma, Panthera leo.


 
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How to Cite this Article
Pubmed Style

Leonardi L, Lepri E, Nannarone S, Mechelli OOAL. Fibroblastic osteosarcoma in a lion (Panthera leo). Open Vet J. 2014; 4(1): 1-3. doi:10.5455/OVJ.2014.v4.i1.p1

Web Style

Leonardi L, Lepri E, Nannarone S, Mechelli OOAL. Fibroblastic osteosarcoma in a lion (Panthera leo). https://www.openveterinaryjournal.com/?mno=302656840 [Access: March 18, 2025]. doi:10.5455/OVJ.2014.v4.i1.p1

AMA (American Medical Association) Style

Leonardi L, Lepri E, Nannarone S, Mechelli OOAL. Fibroblastic osteosarcoma in a lion (Panthera leo). Open Vet J. 2014; 4(1): 1-3. doi:10.5455/OVJ.2014.v4.i1.p1


Vancouver/ICMJE Style

Leonardi L, Lepri E, Nannarone S, Mechelli OOAL. Fibroblastic osteosarcoma in a lion (Panthera leo). Open Vet J. (2014), [cited March 18, 2025]; 4(1): 1-3. doi:10.5455/OVJ.2014.v4.i1.p1


Harvard Style

Leonardi, L., Lepri, . E., Nannarone, . S. & Mechelli, . O. O. A. L. (2014) Fibroblastic osteosarcoma in a lion (Panthera leo). Open Vet J, 4 (1), 1-3. doi:10.5455/OVJ.2014.v4.i1.p1


Turabian Style

Leonardi, L., E. Lepri, S. Nannarone, and O. Olivieri And L. Mechelli. 2014. Fibroblastic osteosarcoma in a lion (Panthera leo). Open Veterinary Journal, 4 (1), 1-3. doi:10.5455/OVJ.2014.v4.i1.p1


Chicago Style

Leonardi, L., E. Lepri, S. Nannarone, and O. Olivieri And L. Mechelli. "Fibroblastic osteosarcoma in a lion (Panthera leo)." Open Veterinary Journal 4 (2014), 1-3. doi:10.5455/OVJ.2014.v4.i1.p1


MLA (The Modern Language Association) Style

Leonardi, L., E. Lepri, S. Nannarone, and O. Olivieri And L. Mechelli. "Fibroblastic osteosarcoma in a lion (Panthera leo)." Open Veterinary Journal 4.1 (2014), 1-3. Print. doi:10.5455/OVJ.2014.v4.i1.p1


APA (American Psychological Association) Style

Leonardi, L., Lepri, . E., Nannarone, . S. & Mechelli, . O. O. A. L. (2014) Fibroblastic osteosarcoma in a lion (Panthera leo). Open Veterinary Journal, 4 (1), 1-3. doi:10.5455/OVJ.2014.v4.i1.p1


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