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Diagnosis and Management of Lipoma in a Calf.

Introduction

Lipoma is a well differentiated nodular mass in the subcutis.This occurs most commonly in the trunk and gluteal region (Mukherjee and Shivaji,1983). Neoplasms of adipose tissue rarely occur in buffaloes and usually occur as single and localized in abdominal cavity (Ozmen, 2005). Lipomatosis are also occasionally reported from abdominal cavity of adult cattle, but rarely in calves (Goldsmith and Hendrick, 2002). Radical excision of tumor in such cases is a curative intervention (Abouelnasr et al., 2016). The present report describes congenital lipoma from central nervous system (CNS) in a neonatal buffalo calf and its successful surgical excision.

History, Clinical Signs and Diagnosis

A ten days old female calf was presented for treatment of a rapidly growing soft mass on right lateral aspect of face between lateral canthus of right eye to base of right ear and dorsum of cranium to angle of mandible (Fig.1). According to owner, the mass was of tennis ball size at birth. The calf was suckling normally. On palpation, calf exhibited no signs of pain and no fluid or blood was drained on needle aspiration. On clinical examination, the right eye ball was protruded with stretching of bulbar conjunctiva near lateral canthus. On palpation, the mass was meaty soft with uniform consistency and consisting of two lobes (anterior and posterior) connected to each other. The anterior lobe was free at medial side, however the junction of two lobes was attached through a broad stump to cervical vertebrae. The clinical parameters like heart rate, respiration rate and temperature were within physiological limits. Hematological parameters were also normal. On sonography, uniform echogenic texture with small anechoic pocket (created wound) was observed (Fig. 2).

Treatment and Discussion

The site was prepared for aseptic surgery. The calf was anaesthetized with Xylazine (@ 0.03 mg/kg b.wt.) and Ketamine (@ 2 mg/kg b.wt.) intravenously and placed in left lateral recumbency. A linear skin incision was made over the middle of growth followed by blunt dissection to separate the inner mass. The two lobes of mass were joined to each other and also to a common stump originating from atlanto-occipital joint (Fig. 3). The stump joining the mass was ligated and excised distal to ligature. The growth was removed and complete haemostasis was achieved. Excess redundant portion of skin was also excised for proper apposition of skin edges. To avoid anatomical dead space subcutaneous tissue was opposed using chromic catgut (#1). Skin was sutured with horizontal mattress sutures using silk (#1) (Fig. 4).

Post-operatively, wound was dressed daily with Povidone iodine (5%), Inj. Intacef (a) (Ceftriaxone) @ 10 mg/kg b. wt. and inj. Melonex (a) (Meloxicam) @ 0.5 mg/kg b. wt. were administered by intramuscular route for three days. Subconjuctival injection of Betamethasone (1 ml, t.i.d.) was given to check conjuctival inflammation. The calf recovered uneventfully but there were folds in bulbar conjunctiva as complication of inflammation even at 15th day of surgery which was reducing slowly. Excised tumor mass was resected for gross examination which revealed sulci and gyri type appearance in inner cut surface of mass (Fig. 5). Histopathological examination revealed round to polygonal adipocytes containing large clear vacuoles replacing cytoplasm, peripheral nucleus and few small capillaries in thin fibrous strands which are characteristic of lipoma (Fig. 6).

Congenital tumors are rare in bovines. It mainly includes peritoneal mesothelioma, melanoma and nephroblastoma and majority of tumors are round to oval or subcutaneous masses (Goldsmith and Hendrick, 2002; Donelly, 1975). The present tumor was lipoma of head region and actively growing in size. Its successful management indicated that such tumors can be managed by surgical excision with good prognosis.

Refrences

Abouelnasr, K., El-Sayed, El-Shafey, Mosbah, E. and Khodery, El. (2016). Utility of ultrasonography for diagnosis of superficial swellings in buffaloes. The J. Vet. Med. Sci. 15: 629.

Donelly, W.J.C. (1975). Fibrochondro lipoma in a full-term bovine foetus delivered by caeserean section. Vet. Rec. 23: 150.

Goldscmidt, M.J. and Hendrick, M.J. (2002).Tumors of the Skin and Soft Tissues. In: Tumors in Domestic Animals. Meuten, D.J. (Edt.) (4th edn.), Iowa State Press, Iowa.

Mukherjee, S.C. and Shivaji, A. (1983). Congenital lipomatosis in a buffalo-calf. Indian J. Vet. Pathol. 7: 75-76.

Ozmen, O. (2005). Congenital lipomatosis in a Brown Swiss calf. Rev. Med. Vet. 156: 191-93.

R.N. Chaudhary (1), Neeraj Arora (2) and Babu Lal Jangir (3)

Department of Veterinary Surgery and Radiology College of Veterinary Science Lala Lajpat Rai University of Veterinary and Animal Sciences (LUVAS) Hisar - 125004 (Haryana)

(1.) Assistant Professor and Corresponding author.

E-mail: rncvet@luvas.edu.in

(2.) Assistant Professor

(3.) Assistant Professor, Department of Veterinary Pathology

(a) - Brand of Intas Animal Health, Ahmedabad
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Title Annotation:Short Communication
Author:Chaudhary, R.N.; Arora, Neeraj; Jangir, Babu Lal
Publication:Intas Polivet
Article Type:Disease/Disorder overview
Date:Jul 1, 2018
Words:781
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