肺弥漫性病变ct.ppt

肺弥漫性病变ct
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Name：Ares
Date：16 Feb
2021
以结节为主的弥漫性疾病
尘肺
结节病
粟粒性肺结核
转移瘤
含铁血黄素沉着症
结节病
支气管血管树
周围间质的明显增厚
胸膜下小结节
Interstitial thickening, bronchiectasis
特发性含铁血黄素沉着症
病理:
原因不明,青年人多见,有咯血及难治性贫血;
大体:
镜下:肺泡腔内含有大量吞噬含铁血黄素的巨嗜细胞
淀粉样变性
分型：血管型，支气管结节型，实质结节型，弥漫型肺泡间隔型
毛玻璃样阴影提示病变处于活动期
石棉肺
蜂窝,线样影
增厚钙化的胸膜
Septal thickening, parenchymal band
混合型结缔组织病恶化期的活动性肺泡炎
Indistingushiable with IPF
Fine network in mixed connective tissue disease
EAA急性期
文3F2
以斑片状密度增高为主的弥漫性疾病
PAP
过敏性肺炎
PCP
各种肺炎及 机遇性肺炎的早期
肺泡蛋白沉着症
镜下: 肺泡内充满嗜酸性均匀一致的无结构颗粒物(磷脂质),PAS染色阳性；II型肺泡上皮增生剥脱；间质内淋巴细胞浸润和不同程度的纤维化；有些病例可和机遇性感染并存。
过敏性肺炎
Ground glass
Small nodule
Subacute stage of
allergic alveolitis
Hyper-sensitive pneumonitis
卡氏肺囊虫性肺炎(carini)
急性白血病,肺曲霉菌感染
Ground glass
Nodule with halo
Aspergillus
(confirmed by
bronchoalveolar
lavage)
Bleomycin lung toxicity
Follow up after
corticosteroid therapy
Acute radiation
pneumonitis in
a lymphoma patient
Same patient: intercurrent PCP
Endobronchial
spread of
Tuberculosis
BOOP
Bronchiectasis with mucous plugging
Bronchiectasis
lead to
BOOP
以囊状或不规则密度减低为主的弥漫性疾病
淋巴管平滑肌瘤病
组织细胞病X
肺气肿
闭塞性支气管炎
肺气肿
肺泡中心性气肿
腺泡中心性气肿
小叶中心性气肿
支气管扩张
CCT
HRCT
急性弥漫性肺疾患
Diffuse Panbronchiolitis
lymphangiomyomatosis
Centrilobular emphysema
肺泡微石症
原因不明，1/2有家族史，发展缓慢
镜下：遍布肺泡腔的钙化小球，-，呈浅兰紫色葱皮样结构，PAS染色为强阳性。周围的肺泡间隔大致正常，晚期可有间质纤维化
感谢导师们的倾听
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