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Congenital Hypothyroidism with Goiter (Tenterfield Terrier Type) Overview

Congenital Hypothyroidism with Goiter (Tenterfield Terrier Type)
US$ 75.00 RRP
US$ 67.50 REGISTERED USER PRICE
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Category: Neurologic (Associated with the Brain, Spinal and Nerves)

Gene: TPO on Chromosome 17

Variant Detected: Base Substitution C>T

Severity: Scale 4 has a high degree of severity. It generally causes a decreased quality of life and may also decrease the life expectancy.

Mode of Inheritance: Autosomal Recessive

Test Overview: Congenital hypothyroidism with goiter (CHG) is an inherited disease affecting dogs. Affected dogs lack an Enzyme that is important in the production of thyroid hormone which is necessary for the normal development and metabolism of dogs. At 3-8 weeks of age, dogs with CHG are generally noted to have reduced movement and to be small when compared to their littermates. Enlarged thyroid glands (goiter) are often noticeable as a swelling on the neck. Affected puppies exhibit dwarfism with short legs, large heads, and fluffy hair coats absent of guard hairs. In addition, affected dogs develop a wide variety of neurological and neuromuscular deficits. The condition progresses to failure to thrive and death. Most symptoms can be prevented or will regress if the condition is diagnosed early and affected dogs are treated with thyroid hormone medication. However, the thyroid glands may continue to enlarge over time despite treatment and can eventually obstruct the dog’s airway.

Research Citation(s):
N Z Vet J. 2011 May; 59(3):115-22. [PubMed: 21541884]
Vet Clin North Am Small Anim Pract. 2007 Jul; 37(4):647-69, v. [PubMed: 17619004]
J Vet Intern Med. 2003 Jan-Feb;17(1):50-7. [PubMed: 12564727]
Vet Pathol. 2007 Jan; 44(1):50-6. [PubMed: 17197623]


Associated Breed(s): Tenterfield Terrier ,  Mixed Breed,