结节影

肝脏增大的尾叶有个结节影。提示有肝硬化存在。

The liver has a nodular contour with hypertrophic caudate lobe , suggestive of liver cirrhosis .

弥漫分布边界不清的小结节影；

Poorly defined diffusing small nodules .

囊内可见漂浮结节影5例，囊壁见线样增强1例。

Intracystic nodules were found in 5 cases , linear contrast enhancement on cystic wall was seen in 1 case .

肺血肿2例，表现为边缘光滑的椭圆形结节影，最大径4.0cm，其中1例也与肺挫伤并存。

Cases are hematoma , the biggest diameter is 4 cm , in which 1 case also coexist lung contuse .

影像学表现一般为前纵隔不规则巨大肿块，中心密度低，伴有双肺多发类圆形结节影。

The imaging performance is generally the anterior mediastinal irregular mass with lower central density , usually accompanied with metastatic lung nodules .

结果胸片显示肺纹理增强6例，多发斑片状密度增高影2例，网织结节影1例；

Results Chest X-ray examinations show Increased brochovascular shadows in6 cases , multi patchy clouding opacity in2 cases and reticulonodular shadow in1 case .

结果矽肺胸部X线表现为双肺弥漫分布斑点、小结节影，其特征性改变为矽结节。

Results : The pneumonogram of silicosis were the lung diffusionly distribute dots and small nodes , and its characteristics finding was silicotic nodule .

囊腔内壁有附壁“结节影”（癌结），腔内有液体，在短期观察中“癌结”、“囊腔大小”、“囊壁的厚度”和“腔内液量”均有动态变化。

During the shore period of observation , carcinoma node , dimension of the cavity , thickness of the cavity wall and volume of liquid in the cavity have dynamic changes .

31.6%（18/57）的病灶呈不完全凝固性坏死，增强扫描表现为坏死区内早期不同程度强化的结节影。

Incomplete solidity necrosis occured in 18 cases among 57 ( 31.6 % ), The contrast-enhanced CT scanning showed that some enhances nodule appeared in the areas of necrosis in the early stage of enhance .

真菌性肺炎6例：4例为肺曲霉菌病，2例表现为两肺多发片状影伴空洞形成、1例表现为多发小结节影、1例表现为单发团块状影；

Six cases with fungal pneumonia : 4 cases were pulmonary aspergillosis , in which 2 cases displayed mutiple-slice shadow with cavity formation and 1 case displayed mutiple - tubercle shadow and 1 case displayed single conglomerate shadow .

肺隐球菌病灶大多分布于肺外周靠近胸膜处，双下叶后基底段常受累，以多发结节影或斑片影居多。

Lesions of most pulmonary cryptococcosis always distributed in the outskirt of lung , close to the pleura and often appeared in posterior basal segment of both lung . multiple nodules or patches were the predominant pattern of chest CT .

肺隐球菌病病灶分布于肺外周靠近胸膜处31例（81.6%），双下肺后基底段常受累（左50.0%、右42.1%），多发结节影或斑片影占50%。

Lesions of 31 ( 81.6 % ) pulmonary cryptococcosis distributed in the outskirt of lung , close to the pleura and often appeared in posterior basal segment of both lung ( left 50.0 % , right 42.1 % ) . Multiple nodules or patches accounted for 50 % .

结果乳腺癌的CT表现为不规则肿块或结节状影，有分叶，边缘放射状毛刺；

Results The appearances of breast cancer in CT were irregular mass or nodosity with lobular and spiculate boundary , distorted glands and higher density than normal glands .

乳腺癌的CT表现为不规则肿块影或结节状影，有分叶，边缘毛刺，腺体结构紊乱，局部皮肤受累或脂肪间隙变形、消失，肿瘤组织吸碘明显。

The manifestations of breast cancer on CT were as follows : round or irregular mass , lobulated or spiculated margin , disordered glandular architecture , involvement of local skin , and deformed fatty space .

胸片表现为肺内局限结节样影且有异常血管与肺门相连，其敏感性为79.3%（23/29）。

On chest film , the lesion presented as lobulated nodule attached to hilar region with abnormal vessels . The diagnostic sensitivity of this sign was 79.3 % ( 23 / 29 ) .

结果总阳性率为86.8%，其中1结节肿块影、斑片影阳性率分别为96.1%、80%，空洞影为57.1%；

Results All the positive rate was 86.8 % . Among those preparations the positive rate of tubercle , spot shadow and caverna shadow were 96.1 % , 80 % and 57.1 % .

CT上肺结节内透亮影对病变定性诊断的意义

The Diagnostic Value of Lucency Shadow in Pulmonary Nodule on CT

目的研究肺结节内透亮影的CT表现及其意义。

Objective To study the CT Features of lucency shadow in lung nodules and its diagnostic significance .

结果：肺大细胞癌的CT表现为肺内单发结节或肿块影，界限清晰（72.7%），伴有分叶（72.7%）。

Results : Lung large cell cancer usually appears as a well-defined ( 72.7 % ) and lobulated ( 72.7 % ) single mass or nodule without fat density .

目的探讨肺结节内透亮影对结节定性的价值。

Objective To study the diagnostic value of lucency shadow in pulmonary nodules .

多发结节或肿块影；

Multi focal masses or nodules ;

间质病变征象：包括间质结节、网状影、网结影、间隔线及支气管血管束影增粗等；

Signs of interstitial lesions : including interstitial nodule , reticular shadow , reticular-nodule shadow , kerley 's line and enlarged the shadow of the bind of bronchi and blood vessels , etc.

结果根据X线征象可将本病归纳为：①主质病变征象：包括腺泡结节、小片影与大片影、蝶翼征及支气管气相；

Results According to X-ray signs this group of disease could be classified as follows : ① Signs of parenchymal lesions : including acinus nodule , small patchy , large patchy , butter-fly sign and air-bronchogram .

肺结核11例：6例粟粒性肺结核表现为两肺弥漫性小结节状密度增高影，5例表现为单纯片状浸润病灶。

Eleven cases with pulmonary tuberculosis : 6 cases of miliary pulmonary tuberculosis displayed diffuse small heightened density tubercle shadow in bilateral lung field . 5 cases displayed simple slice infiltrative focus .

扫描层厚增厚，重建间隔增大，肺结节细小，肺结节与肺血管影、肺门影、心旁纵隔影、横隔影相邻均可使得肺结节容易漏检；

Increasing the slice thickness , adding the reconstruction interval , and the nodule being too small or closing together pneumo-vessels , hilum of lung , para-mediastina and diaphram all can make some nodules being un-detected ;

结节型病灶聚集融合成结块状，结节影内密度不均，内可见小泡状低密度影；

Nodular type focuses congregate and fused into node , density of the nodular shadow bad - distributed , vesical low - density shadow showed ;