Bir Güvercinin (Oriental Roller) Göz Kapağında Tüberküloz Olgusu

Öz

Kanatlı tüberkülozu Mycobacterium avium spp. tarafından oluşturulan pek çok evcil ve yabani kanatlılarda rastlanılan kronik seyirli bir hastalıktır. Bu çalışmanın materyalini Van Yüzüncü Yıl Üniversitesi Cerrahi kliniğine getirilen gözkapağında bir kitle (1,5 x 1,5 x 0,5 cm. ölçülerinde ve 0,88 gr ağırlığında) bulunan üç yaşında Oriental Roller ırkı bir güvercin oluşturdu. Göz kapağı ve çevresinde bulunan bu kitle anestezi altında cerrahi operasyonla total olarak alındı. Alınan kitle sitolojik ve histopatolojik olarak incelendi. Sitolojik incelemede çok sayıda langhans dev hücresi gözlendi. Histopatolojik muayenede ise; merkezinde nekroz, çevresinde çok çekirdekli langhans dev hücreleri, mononükleer hücre infiltrasyonları ve en dıştan fibröz kapsül ile çevrili tüberküllerin varlığı gözlendi. Alınan kesitlerin Ziehl-Neelsen boyama ile boyanmasında, nekrotik kitle içerisinde yoğun asit-fast basili tespit edilerek tüberküloz tanısı konuldu. Tanı sonucu hayvan sahibinin isteği üzerine ötenazi yapıldı. Nekropside iç organlarda herhangi bir patolojik bulguya rastlanmadı. Bu olgu Van yöresinde güvercinlerde bildirilen ilk avian tüberküloz vakasıdır. Van ili göçmen kuşların önemli göç yolları ve uğrak bölgelerinden biri olduğu için bölgede hastalığın görülmesi evcil ve yabani hayvanlar arasında hastalığın yayılmasında önemli bir risk faktörüdür. Bu nedenle konuyla ilgili daha fazla çalışmaların yapılması önerilmektedir.

Anahtar Kelimeler

• Histopatoloji
• Kanatlı tüberkülozu
• Mycobacterium avium
• Oriental Roller

The Case of Tuberculosis in the Eyelid of A Pigeon (Oriental Roller)

Abstract

Avian tuberculosis, caused by Mycobacterium avium ssp., is a chronic illness that occurs in many domestic and wild birds. The material of this study was the three years old Oriental Roller pigeon that had a mass (the largest of three large masses of 1.5 x 1.5 x 0.5 and weighing 0.88 g) on the left eyelid, was brought to the Surgical Clinic of Van Yüzüncü Yıl University. The mass was totally removed by surgical operation under anesthesia. This mass was examined cytologically and histopathologically. A large number of Langhans giant cells were detected in the cytological examination. In histopathological examination, was observed necrosis in the center, multinucleated Langhans giant cells around it, mononuclear cell infiltrates and the presence of tubercles surrounded by a fibrous capsule from the outside. In the staining of these sections with Ziehl-Neelsen, tuberculosis was diagnosed by detecting dense acid-fast bacilli in the necrotic mass. Following the diagnosis, euthanasia was performed depending on the request of the animal owner. No pathological findings were found in the internal organs in the necropsy. This is the first avian tuberculosis case reported in pigeons in Van. Van is the city founded on one of the major migration routes and frequent destinations of migratory birds. Therefore, the appearance of the disease in this region is an important risk factor in spreading between domestic and wild birds. For this reason, it is necessary to carry out further studies on the subject.

Keywords

• Avian tuberculosis, Histopathology, Mycobacterium avium, Oriental Roller.

Kaynakça

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