The Case of Giant Cell Osteosarcoma in a Baghdad Pigeon: First Record in Turkey

Abstract

Our case was a 2‐3‐ year‐old Baghdad pigeon brought to our clinic with complaints of lameness in the right foot and swelling in the tibiotarsus region. The radiographic examination showed severe soft tissue growths, and lysis in the bone tissue were observed in the right tibio‐tarsus region. As a result of clinical and radiological examinations, it was decided to amputate the right extremity. The operation was performed under general anesthesia from approximately 5 mm proximal to the femuro‐tibia joint. In the material sent for histopathological examination, growths of approximately 3x2 cm in diameter, with elastic and hard consistency, were determined in the tibio‐tarsus region of the right extremity. The skin surface was ulcerative and necrotic. The cross‐sectional surface of the mass was gray‐white and had a hemorrhagic and necrotic appearance. Microscopic examination revealed highly reactive bone tissue in areas surrounded by dense vascular stroma. As a result of the evaluations, the patient was diagnosed with giant cell osteosarcoma. This case report aimed to contribute to the literature about the clinical, radiological, and histopathological features of giant cell osteosarcoma in a Baghdad pigeon.

Keywords

• Giant cell osteosarcoma
• Pigeon
• Tumor

Bir Bağdat Güvercininde Dev Hücreli Osteosarkom Olgusu: Türkiye’de İlk Kayıt

Abstract

Olgumuzu kliniğimize sağ ayakta topallık ve tibiotarsus bölgesinde şişlik şikâyeti ile getirilen 2‐3 yaşlarında, Bağdat güvercini oluşturdu. Radyografik muayenede sağ tibio‐tarsus bölgesinde şiddetli yumuşak doku üremeleri ve kemik dokuda lizis gözlendi. Yapılan klinik ve radyolojik muayeneler sonucunda sağ ekstremitenin amputasyonuna karar verildi. Operasyon, genel anestezi altında femoro‐tibial eklemin yaklaşık 5 mm proksimalinden gerçekleştirildi. Histopatolojik inceleme için gönderilen materyalde makroskobik olarak, sağ ekstremitenin tibio‐tarsus bölgesinde yaklaşık 3x2 cm çapında, elastik, yer yer sert kıvamlı üremeler belirlendi. Deri yüzeyi ülseratif ve nekrotik manzaradaydı. Kitlenin kesit yüzü gri‐beyaz renkte olup, yer yer kanamalı ve nekrotik görünümdeydi. Mikroskobik muayenede ise yoğun vasküler stromayla çevrelenmiş alanlarda yüksek reaktif kemik dokusu görüldü. Yapılan değerlendirmeler sonucunda olguya dev hücreli osteosarkom tanısı konuldu. Bu olgu sunumu ile bir Bağdat güvercininde ortaya çıkan dev hücreli osteosarkomun klinik, radyolojik ve histopatolojik özellikleri hakkında literatüre katkı sağlamak amaçlandı.

Keywords

• dev hücreli osteosarkom
• güvercin
• tümör

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