Zhonghua fang she xue za zhi Chinese journal of radiology最新文献

A clinico-radiologic analysis of 15 cases with exogenous allergic alveolitis in pigeon breeders was reported. There were 4 male and 11 female. The age ranged from 15-68 years, averaging 33.5 years. All cases had history of intimate contact with pigeons. The clinical manifestations were dry cough, dyspnea and Velcro's rales at the base of the lung. The X-ray appearances included increased, coarsened, tortuous and hazy lung markings, reticular shadows, ground glass appearance due to decreased lung lucency, patchy shadows and honeycombed areas of lucency etc. These findings however were nonspecific, and must be differentiated from other diseases. Therefore X-ray signs must be closely correlated with clinical picture before making the diagnosis.

206 cases of chondrosarcoma including central type 159 cases and peripheral type 47 all proved by surgery and pathology were analysed. The important aggressive X-ray signs of central (primary) chondrosarcoma include: Infiltrating, notching and scalloping of the endosteal cortical surface; irregular and ill-defined margin between tumor and bone, transition zone widened or 'moth-eaten' in appearance; soft tissue tumor mass may grow eccentrically or concentrically around the bone; various patterns of calcification within the tumor and localized laminated periosteal reaction. The radiologic features of the secondary peripheral chondrosarcoma are: fuzzy and indistinct surface in the region of the cartilaginous cap which becomes irregular and thickened (more than 1 cm); formation of a soft tissue mass containing faint flocculent or ring-like calcifications; the "bursting" and scattering of old calcifications in the depth of the cartilage cap and destruction of adjacent bone.

The diagnostic imaging manifestations of 23 cases of intracardiac myxoma were analyzed, 22 were confirmed by operation and pathology. In this series the myxoma occurred in left atrium in 18 cases, right atrium 3 and right ventricle 2 cases. Evaluation was made on CT and 2-D echocardiography in the diagnosis of intracardiac myxoma, CT as well as sonography can display clearly the contour and location of the tumor and also its motion with blood flow thereby providing reliable evidence for diagnosis and surgery. CT is superior in differentiating intracardiac thrombus and lipoma from myxoma.

Varied in compliance with the presence and size of the septal foramen, existence and location of the atrial shunt and abnormal pulmonary venous connection, the haemodynamic status of the reported 10 cases of cor triatriatum sinistrum might be classified into four types: Pulmonary venous hypertensive, polyemic, cyanotic polyemic and normal. Accordingly, the roentgenologic features of this anomaly manifested differently and mimicked mitral stenosis or atrial septal defect.

A retrospective study of the coronary arteriographic findings in 55 cases with angina pectoris, 10 spontaneous angina and 45 effort angina (unstable angina 21, stable 24) was presented in the present article. Among the 10 cases with spontaneous angina, 8 showed normal coronary arteries, 2 with double vessel disease. In the 45 cases with effort angina, single and multiple vessel disease was found in 9/45 (20%) and 33/45 (73.3%) respectively, the remaining 3/45 (6.7%) were normal. There was no significant difference in severity and distribution of coronary atherosclerotic lesion (P greater than 0.05) in the two subgroups of unstable and stable angina. However in 3 out of 21 cases (14%) with unstable angina total occlusion of coronary arteries was found suggesting the presence of intracoronary thrombus. Triple vessel disease or/and left main coronary artery lesion was observed more frequently in cases with unstable angina (13/21, 61.9%) than in cases with stable angina (10/24, 41.7%).

929 magnification radiographies of different rates of magnification were taken in 719 patients and 39 animals with the Japanese Circlex 0.1 mm ultra-microfocus tube. According to IEC 336/1982 documentation, tests on focus size, resolution, filtration effect of penumbra, filtration effect of contrast, background dispersion and space effect were done. The results showed that 0.1 mm ultra-microfocus could produce images of high quality.

Four cases of primary rhabdomyosarcoma of long bone were reported, all confirmed by operation and pathology. There were 3 male and 1 female. The femur was involved in 1 case and tibia in 3. Based on the radiologic manifestations the tumor could be divided into two different types: (1) Osteolytic form: Presenting as large area of osteolytic destruction without periosteal reaction; (2) Mixed form: In addition to patchy osteolytic destruction, calcification or dense tumor bone in the medullary cavity or soft tissue can be seen, often associated with periosteal reaction.

This paper reported 4 cases of Fanconi's anemia, which is a rare disease usually seen in children under 10 years of age. Its clinical features comprise familial pancytopenia, hypoplasia of bone marrow, and conspicuous megakaryophthisis, with multiple malformations predominantly occurring in the skeleton and kidney. Some cases may be associated with abnormalities of the chromosome.

Animal models of cardiogenic edema, overhydration edema and respiratory distress syndrome (RDS) were established in 12 rabbits, radiography and CT of the chest were taken in supine position and compared with pathology. In cardiogenic and overhydration edema, the lesion is located at the posterior part of the lungs and around the hili both on CT image and the pathologic specimen. On the radiograph the lesion was projected onto the middle and inner zones of the lungs. In RDS, both CT and pathology showed that the peripheral and posterior parts of the lungs were involved, while on radiograph, the hazy shadows were situated at the periphery of the lungs or in a diffuse pattern. The authors were of the opinion that CT can demonstrate the lesions more clearly than radiography. The underlying mechanism for different distribution of lesions in pulmonary edema and RDS was discussed.

This article reported 797 bronchial arteriography and bronchial artery infusion using CDDP, MMC or 5-FU, in 200 patients with bronchogenic carcinoma. There were 10 patients who had severe complications (1.25%) including: large hematoma (one case), massive hemorrhage (one case), guide wire snapped broken in lumbar artery (one case), thrombosis of femoral artery (one case) and damage of radicular artery of spinal cord (six cases). The causes of complications were discussed.