Methods:To study the clinical symptom and imaging presentation in 42 cases with primary tracheal tumor, which had been confirmed by bronchoscopy or postoperative pathologic examination.
方法：研究42例经各种影像检查并获得纤支镜、手术病理证实的原发性气管肿瘤的临床与影像表现。
Results Postoperative behavior, radiological examination and histological observation were coincidence of the character of pathologic change of chronic cord compression myelopathy.
结果通过对犬行为学、影像学、电生理及组织学观察，对犬颈脊髓慢性损伤符合颈脊髓慢性压迫症病理改变的特点。
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