Surgery of the thyroid and parathyroid glands

Davina Anderson

doi:10.22233/9781910443347.10

British Small Animal Veterinary Association , 123 (2018); https://doi.org/10.22233/9781910443347.10

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Surgery of the thyroid and parathyroid glands

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Author: Davina Anderson
From: BSAVA Manual of Canine and Feline Head, Neck and Thoracic Surgery
Item: Chapter 10, pp 123 - 135
DOI: 10.22233/9781910443347.10
Copyright: © 2018 British Small Animal Veterinary Association
Publication Date: October 2018

Abstract

The thyroid and parathyroid glands are a significant cause of disease in both the dog and the cat. This chapter covers anatomy and function, as well as the diagnosis and treatment of disorders of the thyroid and parathyroid glands that require surgery. Operative Techniques: Feline thyroidectomy (modified extracapsular); Feline thyroidectomy (modified intracapsular); Canine parathyroidectomy.

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Figures

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10.1

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10.1 Anatomy of the thyroid and parathyroid glands. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.

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10.2

The left thyroid gland of a dog has been elevated using forceps. The normal parathyroid gland is visible on the cranial pole as a paler flat disc closely associated with the thyroid gland. The caudal thyroid artery is clearly visible. © 2018 British Small Animal Veterinary Association

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10.2 The left thyroid gland of a dog has been elevated using forceps. The normal parathyroid gland is visible on the cranial pole as a paler flat disc closely associated with the thyroid gland. The caudal thyroid artery is clearly visible.

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10.8

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10.8 Right parathyroid adenoma in the dog shown in Figure 10.2 . The adenoma is visible as a pale nodule on the cranial pole of the thyroid gland.

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10.9

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10.9 Removal of the adenoma shown in Figure 10.8 .

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Modified extracapsular thyroidectomy in a cat.

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Modified extracapsular thyroidectomy in a cat. Modified extracapsular thyroidectomy in a cat.

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Ultrasound image of a parathyroid mass on the left thyroid.

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Ultrasound image of a parathyroid mass on the left thyroid. Ultrasound image of a parathyroid mass on the left thyroid.

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Intraoperative view of identified parathyroid mass in the left thyroid.

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Intraoperative view of identified parathyroid mass in the left thyroid. Intraoperative view of identified parathyroid mass in the left thyroid.

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The parathyroid mass has been dissected free of the thyroid. Note the Stevens tenotomy scissors, which are very useful for this procedure.

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The parathyroid mass has been dissected free of the thyroid. Note the Stevens tenotomy scissors, which are very useful for this procedure. The parathyroid mass has been dissected free of the thyroid. Note the Stevens tenotomy scissors, which are very useful for this procedure.