Diagnosis of Type Ⅳ Dermoid Sinus in a Miniature Dachshund

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  • Ⅳ型類皮腫洞が頸部に認められたミニチュア・ダックスフンドの1例
  • 4型類皮腫洞が頸部に認められたミニチュア・ダックスフンドの1例
  • 4ガタルイ ヒ シュドウ ガ ケイブ ニ ミトメラレタ ミニチュア ダックスフンド ノ 1レイ

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Abstract

A 3-year-old female miniature dachshund presented with acute astasia for which magnetic resonance imaging (MRI) was performed. On neurological examination, the postural response and spinal reflex in the four limbs were abnormal. MRI revealed a mass in the C4-5 dorsal spinal region with hypointensity on T2-weighted images and isointensity on T1-weighted images. After gadolinium enhancement, the mass was enhanced in the shape of a ring. Moreover, the mass extended to the surface of the body. Surgical resection of the mass was performed and its histological diagnosis was a dermoid sinus. From these findings, this case was diagnosed as a type Ⅳ dermoid sinus. This is the first report of a type Ⅳ dermoid sinus in a miniature dachshund.

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