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Cervical hyperextension injury of MRI (12 cases)

6): 1877PenningL. Prevertebraln at nm0 which incervicalspineinjury: Incidenceandetidoyicsigniticance. AJR, 1981,136:5538 DavisSJ,[link widoczny dla zalogowanych], Teresi12, 1, BradleyWG, eta1. Cervicalspinehyperextensionin-juri ~: MRfindings. Radiology, 1991,180:2459 Celd ~ gAL, RothfusWE, DeebZL, eta1. Hyperextensioninjuriesofthecervicalspine: Magneticl'es (iclancefindings.SkeletalRadiol, 1989,18:283 (Received :1997 -04-21 Revised :1997-12-09) and right mediastinal cystic lymphangioma in a case of a huge peak in patients with HE male, 5 years old. Photo upper right chest 2 years ago found that mediastinal space-occupying,[link widoczny dla zalogowanych], CT diagnosis of pleural effusion with the right package of atelectasis, the anti-inflammatory treatment does not disappear. and then gradually increased. 1 year and found the egg-like mass in the right neck , coughing slightly increased. check: full of the right neck, right supraclavicular fossa palpable 6cmX8cm mass. soft and cystic, extrusion can be reduced, trachea left side, no jugular vein engorgement, full of the right thorax, percussion dullness, breath sounds low. Laboratory examination: no abnormality was found. X-ray examination: chest X-ray showed right round the block in the shadow on the lung field class. the edge of a clear light the whole, no significant leaf, its internal density, no calcification shadow, mediastinal trachea was compressed the left. perspective, see the block shadow of its size and shape with a slight respiratory movement changes (Figure 1). CT said: right anterior mediastinal shadow block size of about 7cm × lOcm × 14cm, smooth edges, CT value 20HU so, it shows that there are enhanced scan interval was multilocular, slightly enhanced and the surrounding intervals. mass close to the ascending aorta and superior vena cava (Figure 2,3). Diagnosis: right anterior mediastinal cystic space-occupying. surgery and Pathological findings: large mediastinal mass in the right, about lOcm × 15cm × 15cm, and to take on the right side of the right chest and neck, mediastinal tumor suppression. and with the ascending aorta, close adhesion of the superior vena cava and right brachiocephalic vein and the clavicle walking through the vein under the tumor adhesion in vivo inclusion. gross anatomical specimens show: Cancer was the hive-like, containing milky lymph,[link widoczny dla zalogowanych], some cysts containing brownish bloody fluid. The pathology report: the right mediastinal cystic lymphangioma great. Figure l anteroposterior image, the right lung in a huge block on the shadow, the inner edge is connected with the mediastinum, the outer edge of clear and complete, no significant leaf, its internal density,[link widoczny dla zalogowanych], trachea, mediastinal compression was left block of Figure 2,3 shadow right anterior mediastinum , about the size of 7cm × 10era × 14em, almost occupied the right chest,[link widoczny dla zalogowanych], smooth edges, Cr values 20HU so, it shows that there are enhanced scan interval was multilocular, slightly enhanced the interval and the surrounding, close to the ascending aorta and the mass discuss the vena cava, also known as cystic lymphangioma or cystic tumor in the lymphatic cyst. embryonic development, the venous plexus layer of the blastocyst formation of large cracks in the original fusion sac, located in the vicinity of large veins. major drainage into the center of the original sac venous system, later developed into a sac gradually reduced in line with the vein to lymphatic system, if some of the primary sac can not be interlinked with the central venous system to produce a large cavity of cystic lymphangioma. cystic lymph of the tumor size by a single or multiple cysts of varying composition, but most were multilocular, a 5cm diameter by lmm form cysts. Each capsule of interconnected or isolated, cavity lymph, cysts lined normal endothelial cells, outer. a small amount of thin collagen fibers and smooth muscle fibers. cystic lymphangioma occurred in children, many parts of Triangle area in the back of the neck, but can be expanded to increase the mediastinum. primary in the mediastinum is extremely rare. in mediastinal cysts were located in the upper anterior mediastinum were round, oval or irregular-shaped block shadow, outline a clear mass, density, no calcification. the patients with giant cystic lymphangioma originating in the right mediastinum, with expansion of the right neck and the development of cysts, so the performance of the more special. review the performance of this case fl pottery bed, chest and signs cr. If the neck and mediastinum in children were found at the same time or cystic mass, the diagnosis of this disease can have significant help. (Received :1996-04-03) Author: 214062 Wuxi City, Jiangsu Province, the Fourth People's Hospital Radiology