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KMID : 1094020180350010019
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Journal of Veterinary Clinics
2018 Volume.35 No. 1 p.19 ~ p.21
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Improvement of Megaesophagus after Treatment of Concurrent Hypothyroidism
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Ko Gyeong-Bin
Kim Joon-Young
Choi Hyeong-Il
Moon Min-Young
Suh Guk-Hyun
Kim Ha-Jung
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Abstract
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A 7-year-old female American cocker spaniel presented with chronic regurgitation and megaesophagus on radiography at a local hospital. Dry and coarse hair coat, tail alopecia, and bradycardia were observed during physical examination. Mild, non-regenerative anemia was indicated by complete blood count (CBC) analysis. Concurrent hypercholesterolemia and hypertriglycemia were indicated by biochemistry tests. Decreased levels of total and free thyroxine (T4) and increased canine thyroid stimulating hormone (cTSH) levels were also detected. Megaesophagus was confirmed by radiographic examination. Based on the results, a diagnosis of hypothyroidism with megaesophagus was made. The patient was initially treated with levothyroxine sodium at a dosage of 0.02 mg/kg twice a day. After two weeks of treatment for hypothyroidism, the dilated esophagus returned to its original size and no further regurgitation was observed. No relapse was observed during two months of follow-up.
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KEYWORD
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Megaesophagus, Hypothyroidism, dog
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