肺内爆米花样钙化病变!

2018-08-06 佚名 影像园

患者,女,44岁,左侧胸痛一天,盗汗三月余

【所属科室】

呼吸科

【基本资料】

患者,女,44岁

【主诉】

左侧胸痛一天,盗汗三月余

【影像图片】





【讨论】

评论:左下肺见结节状混杂密度影,边缘光滑,境界清晰,内见斑点状钙化,考虑错构瘤。
 
【病理结果

穿刺证实为错构瘤
 
【病例小结】

肺错构瘤的发病率在肺部良性肿瘤中占第1位,肺错构瘤的来源和发病原因尚不分清楚,比较容易被接受的假说认为错构瘤是支气管的片组织在胚胎发育时期倒转和脱落被正常肺组织包绕,这部分组织生长缓慢也可能在定时期内不生长,以后逐渐发展才形成瘤,错构瘤大多数在40岁以后发病这个事实支持这假说。

错构瘤的诊断主要依靠X线检查,多数是在X线常规检查时偶然发现的,X或CT线上表现为均匀致密的阴影,也可以不均匀阴影,还可以有钙化钙化影,呈现爆米花状的图案,周边部密度相对较低可能为脂肪组织。爆米花征是肺错构瘤的特征性表现。

评论区 (2)
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