Chondroma in an Indian ring neck parrot

Introduction electrocautery. The surgical incision was closed as per standard technique. The weight of the tumour mass was Chondroma is a benign neoplasm arising from the 75g with radius of 2cm. Post-operatively, a broad cartilaginous tissue [1]. This term is also used to spectrum antibiotic (Cephalosporin @50mg/kg) was describe any benign proliferation of the cartilage, such administered intramuscularly (breast muscle) for 5 as extra skeleton chondroma from mixed tumours of days. Daily dressing of the surgical wound was done mammary gland of dog, synovial and bursal chondrowith antiseptic ointment (Himax, IH). The bird recovered ma, osteochondroma, ecchondroma and many non uneventfully within two weeks. There was no recurrclassified bone chondromas [2, 3]. There are very few ence of the growth in a follow-up period of three months. reports of neoplastic cases including chondroma in 3 Tumour was cut in to 1 cm pieces, fixed in 10% wild birds [4]. The present communication placed on formalin solution and processed for histopathological record a rare case of the chondroma affecting the right examination following the standard procedure [5]. metacarpal of an Indian ring neck parrot and its Thereafter, the tissue was processed using the routine successful surgical management. The gross and histotechnique and 4-5μ thick tissue sections were stained pathological studies were carried out to ascertain the by H & E staining method. Histopathological analysis pathogenesis and type of neoplastic growth. revealed a non capsulated neo-plastic tissue of Case history mesenchymal origin formed by chrondro-blasts and chrondocytes. It was surrounded by connective tissues A young Indian ring neck parrot, weighing 400 g (Fig. 2). Cellular pleomorphism was not very evident. was presented to the Teaching Veterinary Clinical Chrondrocytes were well differentiated with prominent Complex, College of Veterinary Science and Animal nuclei and nucleoli (Fig.3). No mitosis of the cells Husbandry, Bhubaneswar, with the complaint of could be identified. Inflammatory infiltration consisted tumour like growth in the right wing. The bird was of mononuclear cells and heterophils surrounding being kept under captivity by a resident of Bhubaneswar. cartilaginous neoplastic cells (Fig.4). Interstitial haeFurther anamnesis revealed a tumour like growth over the right metacarpal region of the wing (Fig.1). It was morrhage was also observed. (Fig. 5). firm, roughly circular and the covering skin was rough Discussion and uneven probably due to atrophy. Symptoms were Usually, Chondromas grow slowly and the clinical inability to fly, progressive weakness with partial signs are associated with the size and localization of the anorexia demanding surgical intervention. The tumour neoplasm. Grossly, chondromas are variable in size, mass was excised with local anaesthesia and was kept firm and surrounded by a fibrous capsule displaying a in 10% formal saline for further histological analysis. whitish discolouration, which is also evident in this Clinical examination and treatment study. Chondromas are distinguished from chondroThe bird was not co-operative for detailed clinical sarcomas or malignant form by lack of local invasiveobservation and pre-operative preparation. So it was ness, more orderly arrangement of cartilage cells and properly restrained before surgery. The operation site closer resemblance to normal mature cartilage [6]. These was prepared for surgical intervention by taking all the findings are completely in accordance with our record. aseptic precautions. Local infiltration of 2% The surrounding skin showed atrophy, ulceration and Lignocaine HCl (Wocaine 2%, Wockhardt, India) suppurative exudation due to extensive growth. In a around the tumour mass was done to achieve the local similar work, a non capsulated neoplastic tissue of anaesthesia. An elliptical incision was made all around mesenchymal origin formed by chrondroblasts and the base of the growth. The growth was completely chrondocytes and surrounded by connective tissues removed and the haemostasis was achieved by with or without cellular pleomorphism, well differentiated