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排序方式: 共有138条查询结果,搜索用时 15 毫秒
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Two cases of bipartite tarsal navicular bone are presented. The radiographic and computed tomography (CT) findings of this anatomical variant are described. Correct recognition of this entity is important, both because it may be the cause of symptoms perse, and because it may be misdiagnosed as a fracture. When plain films are not diagnostic, CT scanning is helpful in distinguishing between a fracture and this variant. 相似文献
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Rosenberg ZS; Jahss MH; Noto AM; Shereff MJ; Cheung Y; Frey CC; Norman A 《Radiology》1988,167(2):489-493
Computed tomography (CT) was performed in 42 patients with 49 clinically suspected tears of the posterior tibial tendon. Twenty-eight of the 49 suspected tears were subsequently surgically explored and repaired. Three patterns of tendon abnormalities were recognized on CT scans: type I-intact, hypertrophied, heterogeneous tendon; type II-attenuated tendon; and type III-absence of a portion of a tendon. Types I and II correlated with partial rupture seen during surgery, and type III correlated with complete rupture of the tendon. CT findings were accurate in 96% of the patients who underwent surgery. In four cases (14%), tendon rupture was seen on CT scans, but the extent of the injury was underestimated and the rupture was misclassified. Reactive periostitis of the distal tibia was seen in 71% of diseased tendons and may represent an important factor in the diagnosis of tendon rupture. 相似文献
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Peroneus quartus muscle: MR imaging features 总被引:2,自引:0,他引:2
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Shurkalin BK Kriger AG Gorskiĭ VA Chugunov AO Rzhebaev KE Cherevatenko AM Glushkov PS Shogenov AA 《Khirurgiia》2000,(2):33-37
1310 patients with various forms of peritonitis were operated during 1989-1998. The tactics of the treatment was determined depending on bacterial contamination of the abdominal cavity. In abscesses of the abdominal cavity with massive bacterial contamination (6-7 CFU/g) drainage procedure was used. Mortality rate made up 4.8%. In local extended and diffuse peritonitis with a slight bacterial contamination of the abdominal cavity (3-5 CFU/g) and in absence of fibrinous deposition fixed on peritoneum, the drainage of the abdominal cavity was not used, and laparoscopy was performed in postoperative period for the control of the course of infectious process. Mortality rate was 0.6%. In extended peritonitis with massive bacterial contamination (6-8 CFU/g) the method of repeated explorations and sanitations of the abdominal cavity was used, mortality rate being 17.8%. The overall lethality made up 7.8%. Postoperative wound infection occurred in 6.7%, intraabdominal infection as abscesses or progressing peritonitis--in 2.1% of cases. 相似文献
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拉米夫定(lamivudine)抗乙型肝炎病毒治疗中耐药突变发生率高,文献报道在拉米夫定治疗1,2,3,4,5a时分别为14%,38%,49%,66%,69%.耐药突变可导致血清HBVDNA水平阳转或明显上升,肝功能严重受损,甚至病情恶化死亡.关于拉米夫定抗乙型肝炎病毒治疗中耐药突变的后续治疗目前国内外尚无统一用药方案,单药治疗(如:继续使用拉米夫定、阿德福韦、恩替卡韦)在临床使用中已经取得了一定疗效,联合抗病毒治疗和中医药治疗是今后研究的方向. 相似文献
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目的 :寻找具有正性肌力活性的化合物。方法 :根据文献报道的二氢喹啉酮类正性肌力药物的结构特点 ,设计、合成了其类似物。以苯胺为起始原料经多步合成 ,对所得化合物用离体豚鼠心脏与主动脉观察了心肌收缩力、扩血管作用及心率。结果 :合成了 1 0个 6 ( 4 酰基 1 哌嗪乙酰氨基 ) 3 ,4 二氢 2 ( 1H) 喹啉酮类化合物 ( 4a~ 4j) ,均为未见文献报道的化合物。结论 :初步药理试验表明 ,化合物 ( 4h)显示了正性肌力及扩血管活性。 相似文献
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Postamputation neuromas and other symptomatic stump abnormalities: detection with CT 总被引:1,自引:0,他引:1
Singson RD; Feldman F; Slipman CW; Gonzalez E; Rosenberg ZS; Kiernan H 《Radiology》1987,162(3):743-745
One of the potentially troublesome sequelae of limb amputations is the development of stump neuromas at the severed ends of major nerves. The ability to define them and to distinguish them from other causes of stump pain is of considerable clinical significance. Computed tomography was performed on ten lower limb amputees with stump pain. Five patients had neuromas that were manifest as focal or generalized alteration in the caliber, size, or contour of the nerve trunk in the affected stump. The remaining five patients each had an abnormality detected; these abnormalities included heterotopic bone formation, popliteal artery aneurysm, lipoma, scar tissue, and abscess in the contralateral limb. 相似文献