金毛拾犬(黃金獵犬)幼犬及小綿羊末梢神經髓鞘形成低下症

中文名稱金毛拾犬(黃金獵犬)幼犬及小綿羊末梢神經髓鞘形成低下症
英文名稱Peripheral hypomyelination in golden retriever puppies and lambs
建立日期2007/11/01
更新日期2007/11/01
中文描述同窩出生的黃金獵犬在五到七月齡形成後肢運動失調.肌動電流描述和神經傳導研究暗示一週邊的髓素紊亂,並且肌肉和神經生檢來提供診斷.臨床症狀穩定平衡,並且沒有中央神經系統參與的證據,雖然狗仍然活著,排除中央神經系統的組織學檢查.一缺損在許旺氏細胞功能被懷疑是導致如此的原因.先天髓鞘形成低下症也被描述在多塞特犬的四肢,在出生已經異常;這原因是未知的.
英文描述Golden Retriever littermates developed hind limb ataxia at 5-7 months of age. Electromyographic and nerve-conduction studies suggested a peripheral myelin disorder, and muscle and nerve biopsies supported that diagnosis. The clinical signs stabilized, and there was no evidence of central nervous system involvement, although the dogs remained alive, precluding histologic examination of the CNS. A defect in Schwann cell function was suspected as the cause. Congenital hypomyelination was also described in a Dorset lambs that had been abnormal since birth; the cause was unknown.

疾病類型

動物種類

關鍵詞

疾病症狀

【循環系】
  • 辨距不良, 延展過度, 延展不足
【肌骨系】
  • 後肢異常反射, 增加或減少
  • 本體感覺異常造成之姿勢異常, 掌部背翻 (球節前突)
  • 共濟失調, 共濟不能, 蹣跚, 跌絆
  • 單足跳躍(兔躍步姿)
【神經系】
  • 無力, 輕癱, 麻痺, 雙側後肢或下肢
  • 震顫, 發抖, 肌纖維自發性收縮, 寒顫
【其他】
  • 震顫,顫抖