【摘要 】 目的 探讨不典型肺脓肿的影像学特点。方法 重点分析30例不典型肺脓肿的X线、CT影像表现。结果 不典型肺脓肿可分为孤立团块型和不规则浸润型，且两型均具有以下共同影像特点：(1)局限融解或小空洞。(2)局部充血征。(3)边缘粗长索条影。(4)周围局限浸润片影。(5)邻近胸膜增厚粘连。结论 明确脓腔的存在和病灶周围的炎症性改变是确定诊断和鉴别的关键。=

Zhou Xinhua, Ma Yu, Chen Ji,et al. Beijing Tuberculosis and Thoracic Tumour Institute, Beijing 101149

【Abstract 】 Objective Evaluate characteristics of the radiological image of atypicalpulmonary abscess. Method TheX-ray and CT image in 30 cases with atypical pulmonary abscess were analyzed. Result The atypical pulmonary abscessses were classified intosolitary ball type and irregular infiltration type. And these two types showed thefollowing characteristics: circumscribed dissolution or small cavity; local congestionsign; coarse and long funiform shadow in margin; ambient circumscribed infiltratingshadow; adjacent pleural thickening and adhesion. Conclusion Existence of abscess and perifocal inflammatory changes isthe key to diagnose and differentiate this atypical variant of lung abscess.

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