Document Type : Clinical Report
Authors
- Hamidreza Fattahian 1
- Saeed Hesaraki 2
- Omid Fazeli 3
- Farrokhreza Kabir 4
- Seyed Reza Rohani Hajiagha 5
1 Department of Surgery, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran.
2 Department of Pathology, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran.
3 Small Animal Practitioner, Tehran, Iran.
4 Department of Radiology, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran.
5 BVSc degree graduated, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Abstract
Case Description and Clinical Findings- A seven-year-old male German shepherd dog was referred to Small Animal Clinic with severe lameness (non-weight-bearing) and considerable localized proximal right humerus swelling. Radiographic study revealed severe soft tissue swelling and pathologic fracture of proximal right humerus. Immediately, the right forelimb was removed surgically and once sample was sent to pathologic laboratory for staining and immunohistochemical studies. Seven antibodies were used for immunohistochemical study of sample removed.
Treatment and Outcome- Dog tolerated operation and recovered in 12 hours after surgery with no post-operative complication. The sample removed was giant cell osteosarcoma in H and E staining study. This tumor was with low mitotic and metastatic activity in immunohistochemical study.
Clinical Relevance- Immunohistochemical study showed that antibodies used for histologic study could determine origin of tumor and being metastatic character of tumor for predicting of survival time and how to manage (medical and surgical treatment) this type of bone neoplasia.
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