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Diagnosis and Management of Bilateral Ocular Lymphosarcoma in a Buffalo.

Introduction

Lymphosarcoma is a malignant neoplastic proliferation of lymphoid tissue which results in diffuse infiltration of organs or formation of discrete solid tumor masses which are locally destructive and invasive (Thompson et al., 1963). There may be several causes of lymphosarcoma in bovines, the only definitely known causes is bovine leukaemia virus infection (OIE, 2012). Buffaloes play an important role in dairy developmental programs of our country. Ocular tumors cause reduced productivity along with vision impairment. This communication deals with bilateral ocular lymphosarcoma in a Murrah buffalo and its management.

History and Clinical Observation

A seven year male Murrah buffalo was brought with complaint of swelling on lower eyelid of both eyes which gradually increased in size over a period of one month (Fig. 1). Clinical examination revealed exophthalmos of eye alongwith congested conjunctiva leading to corneal opacity and large hard, swelling beneath the skin covering eye ball. The physiological parameters were within normal range. Haematological profile revealed normal total leucocyte count (8.3 m/[mm.sup.3]) with lymphocytosis (5.8 m/[mm.sup.3]) and neutropenia (2.2 m/[mm.sup.3]). It was diagnosed ocular tumor and agreed to perform surgery.

Treatment and Discussion

The animal was sedated with Xylazine hydrochloride @ 0.05mg/kg intramuscularly. The animal was restrained in lateral recumbency and auriculopalpebral nerve block was undertaken at dorsal border of zygomatic arch with 2% Lignocaine hydrochloride. The mass was excised surgically by giving elliptical incision over swelling below lower eyelid of both eyes (Fig. 2). The subcutaneous tissues were sutured with continuous suture using chromic catgut no.1 after taking all aseptic precautions. The skin was closed with silk no. 1 with simple interrupted pattern. Post-operatively, animal was given Ceftriaxone and Tazobactam (Intacef Tazo (a) 4.5 gm i/v), Vitamin [B.sub.1], [B.sub.6] and [B.sub.12] (Tribivet (a) 10 ml i/v) and Meloxicam (Melonex (a) 10 ml i/m) alongwith antiseptic dressing with Betadine (b) solution and Silver Sulfadiazine ointment was done for seven days. The buffalo recovered uneventfully over a period of ten days. The mass was subjected to histopathological examination after collection in 10% Formalin and were processed routinely by paraffin embedding and sections were stained with routine Hematoxylin and Eosin methods. Histopathology of ocular mass showed lymphocytes of variable size and their nuclei had abnormal shape (Fig. 3). Numerous mitotic figures were present. It was confirmed as ocular lymphosarcoma. The animal was observed for a period of six month and there was no report of reocurrence. Bovine lymphosarcoma is a malignant neoplastic proliferation lymphoid tissue, disease affecting cattle of all ages without regards for sex or breed. There is a relationship between age of animal and frequency of lymphosarcoma. The mean age of affected ones is 5.5 years with range of 1-17 years and with age of 5-8 years is the most common age for lymphosarcoma to occur. Lymphosarcoma has been shown to occur in young aged calves (Thompson et al., 1963). The present case was bilateral ocular lymphosarcoma in which exophthalmos was seen which is as results of a rapidly growing retrolobar tumor mass. The above findings were in agreement with Suresh Kumar et al. (2012) in shoulder region tumour and Prasad and Samatha (2013) in ocular tumors in buffaloes.

Summary

The present paper report successful surgical management of bilateral ocular lymphosarcoma in Murrah buffalo.

References

OIE (2012). Enzootic bovine leukosis, chapter 2.4.11. In: OIE Manual of Diagnostic Tests and Vaccines for Terrestrial Animals. 7th ed. http://www.oie.int/fileadmin/Home/fr/Health_standards/tahm/2.04.11_EBL.pdf.

Prasad, B. Chandra and Samatha, V. (2013). Occurrence of ocular tumours in buffaloes. Indo-Am. J. Agric. Vet. Sci. 1: 50-54.

Suresh Kumar, R.V., Veena, P., Dhanalakshmi, N., Sankar, P., Srilatha, Ch. and Kokila, S. (2012). Lympho sarcoma in a buffalo - A case report. Buffalo Bulletin 31:17-18.

Thompson, J., Greiner, T. and Gelder, G.V. (1963). Bovine Lymphosarcoma, Iowa State University. Veterinarian. 26: 151-54.

Raju Sharda, Rukmani Dewangan (1) and M.O. Kalim

Department of Veterinary Surgery and Radiology College of Veterinary Science and Animal Husbandry Chhattisgarh Kamdhenu Vishwavidyalaya (CKV) Anjora Durg - 491001 (Chhattishgarh)

(1.) Corresponding author.

E-mail: dewanganrukmani@gmail.com

(a) - Brand of Intas Animal Health, Ahmedabad

(b) - Brand of GSK Pharma, Mumbai
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Title Annotation:Short Communication
Author:Sharda, Raju; Dewangan, Rukmani; Kalim, M.O.
Publication:Intas Polivet
Article Type:Disease/Disorder overview
Date:Jul 1, 2018
Words:714
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