CT diagnosis and classification of simple renal adipose capsule herniation / 实用放射学杂志

Objective To explore CT features of simple renal adipose capsule herniation (SRACH)and discuss its classification. Methods CT data of 1 8 patients with SRACH were retrospectively analyzed.Results All of the 1 8 cases occurred on the left side. SRACH could be divided into two types,thoracic and extrapleural.XGray films were negative in 1 7 cases,and 1 case in the lateral chest radiograph showed the hilly shadow in the posterior costal phrenic area.The results of CT detections presented as round,oval,and fusiform fat density masses on the paraspinal or posterior phrenic angle area with smooth margins,which extended downward to the diaphragm and were linked to the perinephric fat.Conclusion MSCT can clearly show the location of SRACH,the shape,size and density of the hernia sac,and the relationship with the renal adipose capsule,which may be helpful in confirming the diagnosis.

MSCT findings of pulmonary tuberculoma / 实用放射学杂志

Objective To explore MSCT findings of pulmonary tuberculoma.Methods MSCT data of 62 patients with pulmonary tuberculoma confirmed by clinical and pathological results were analyzed retrospectively.Results Of the 62 patients,64 lesions were detected with single in 60 cases and multiple in 2 cases.The MSCT signs showed as follows:circumscribed round,oval,egg-like or irregular nodules or masses,size ranging from 2-3 cm,cavity in 31 lesions,calcification in 25 lesions,pleural indentation sign in 45 lesions and pleural tail sign in 1 2 lesions.Conclusion The MSCT features of pulmonary tuberculoma are relatively specific such as the multiple patch calcifications within mass,calcification of the whole mass and semilunar cavity on the lateral side of the hilum.The MSCT is a valuable examination for the accurate diagnosis of pulmonary tuberculoma.

Bridging septa of the perinephric space:CT findings of traveling direction and thickening / 实用放射学杂志

Objective To evaluate anatomic traveling direction and CT findings of thickening of the bridge septa of perinephric space.Methods 75 cases of diseased samples were examined by CT, and CT signs of the thickened bridge septa of perirenal space were analyzed retrospectively.Results Thickening of the bridge septa of perinephric space was observed in three specific etiological groups:group one for renal diseases,in which there were renal trauma (26 cases),renal tuberculosis (2 cases),renal abscess (4 cases),pyelonephritis (3 cases), urinary tract obstruction (15 cases) and renal cancer (2 cases);group two for non-renal diseases, in which there were acute pancreatitis (15 cases), acute cholecystitis (1 case),peritonitis (2 cases) and colon cancer (3 cases);group three for unknown origin (2 cases).The images findings appeared as multiple stripes or branching shadows locating in the perinephric space.Conclusion The etiological factor of the bridge septa thickening is varied.CT can show the thickened bridge septa of perirenal space accurately,and identify the etiological factors.

CT diagnosis of post-traumatic intrapulmonary hematoma / 实用放射学杂志

Objective To evaluate CT findings and dynamic changes of post-traumatic intrapulmonary hematoma.Methods CT data of 43 patients with traumatic intrapulmonary hematomas were analyzed retrospectively.Results A total of 52 lesions were found in 43 patients with intrapulmonary hematomas.The majority of hematomas were located in the peripheral lung fields close to the pleura,single or multiple in number.CT showed nodular,mass,fusiform,ribbon and irregular shadows with uniform and high density in lung.There are two types of evolution: (1) The hematomas gradually reduced in size and finally disappeared;(2)The hematomas evolved into gas-liquid cyst cavity or gas cyst cavity, and then was absorbed gradually.Conclusion CT examination is helpful in the early diagnosis of post-traumatic intrapulmonary hematomas, and can monitor the morphology changes over time.

Diagnostic value of CT scan for closed chest injury / 中华全科医师杂志

CT findings and complete clinical data of 185 cases with closed chest injuries were retrospectively analyzed.The diagnosis of 185 cases were pulmonary contusion ( n = 185 ),pulmonary laceration ( n = 35 ),Macklin effect ( n = 5 ) and lung herniation ( n = 1 ).CT findings of lung contusion appeared as thick and vagur lung marking (n =9),small points shadows (n = 12 ),blotchy shadows (n =48),small pieces shadows (n=10),ground-glass shadows (n=16),large pieces shadows (n =5),diffuse patchy clouding shadows (n = 17) or mixed lesions (n = 68).CT appearance of lung laceration included pulmonary hematomas (n = 12),cavitary lesions with air ( n = 19),cavitary lesions with air-fluid levels ( n = 53 ).Macklin effect appeared as bronchus-,pulmonary vessel-adjacent air collection and mediastinal air collection (n=5).Traumatic pulmonary hernia appeared as lung herniation through an intercostal space.Initial CT scan missed one case of pulmonary contusion and 2 cases of pulmonary laceration.