摘要
滑膜肉瘤(synovial sarcoma)是一頗少見的腫瘤。本研究回顧自民國72年至79年曾經過病理檢查的12個病例，年齡從3至57歲（平均28歲），病灶分佈為：肘（1例）、前臂（1例）、手掌（1例）、大腿（2例）、膝（2例）、小腿（2例）、腳掌（1例）及臀部（1例），所有12病例皆先接受病灶處X光素片檢查。其中4例，接受了電腦斷層攝影(CT), 3例做了血管攝影(angiography), 2例做了磁振攝影(MRD)。 從X光素片及電腦斷層影像表現，包括：(1)不同程度的軟組織影像。(2)鈣化。(3)鄰近骨骼磨耗。(4)鄰近骨骼的破壞。所有接受血管攝影的3病例，皆表現高血管性的腫瘤血管，並在微血管期表現不均質性的造影劑滯留，關於接受磁振攝影的2個病人，1例接受1.0T單位，T1 weighted及T2 weighted自旋回訊影像。病灶在T1 weighted影像，為一中間性的訊號，在T2 weighted影像為一不均質性的高訊號，另一病人則接受0.3 T單位T1 weighted及STIR方法影像，病灶的表現除在STIR訊號中把脂肪組織的訊號刪減外大致與前述的另一病例差不多。 從回顧結果，滑膜肉瘤在放射學影像包括素片，電腦斷層攝影，血管攝影及磁振影像中皆非具特異性。但藉著以上放射錢學所提供的消息，對早期診斷，分期及治療方面卻扮演著一重要的角色。
並列摘要
Synovial sarcoma is an uncommon tumor. Twelve pathologically proven cases having received radiological examination from 1983 to 1990 were reviewed. The age of our patients ranged from 3 to 57 years (average 28). Distribution of the lesions included: elbow (1 case), forearm (1 case), hand (1 case), thigh (2 cases), knee (2 cases), leg (2 cases), foot (2 cases) and buttock (1 case). Radiologic studies included plain radiography in all cases, CT (computed tomography) in four cases, angiography in 3 cases and MR (magnetic resonance) in 2 cases. The radiological features in plain radiograph and CT included: (1) soft tissue mass (100%), (2) calcification (33%) (3) erosive bone change (16%), and (4) adjacent bone destruction (8%). The angiograms on three patients all appeared as soft tissue masses which showed high degree of tumor vessels with an inhomogeneous capillary blush. One case underwent MR on a 1.0T unit with T1 and T2 weighted spin echo. The lesion showed intermediated signal intensity on T1 weighted images and heterogeneous high signal intensity on T2 weighted image. Another patient was evaluated by MR on a 0.3T unit with Ti weighted spin echo and STIR sequence. The lesion showed changes similar to that with T1 and T2 weighted images except fat was suppressed. Although the radiologic manifestations of synovial sarcoma are nonspecific, the modalities with CT, MR, and angiography provide valuable information for early detection, more accurate staging and treatment.
延伸閱讀
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