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parosteal osteosarcoma
相关语句
  骨旁骨肉瘤
     Diagnosis and Treatment of Parosteal Osteosarcoma:A Report of 10 Cases
     10例骨旁骨肉瘤的诊断与治疗
短句来源
     The bone involvements were observed in 16 patients with osteosarcoma, 4 patients with parosteal osteosarcoma, 5 patients with Ewing sarcoma, and 3 patients with soft tissue sarcoma.
     其中骨肉瘤16例,骨旁骨肉瘤4例,尤文肉瘤5例,软组织肉瘤骨侵犯3例。
短句来源
     PAROSTEAL OSTEOSARCOMA (ANALYSIS OF 9 CASES)
     骨旁骨肉瘤(附9例分析)
短句来源
     Parosteal Osteosarcoma: A Clinicopathological Analysis of 23 Cases
     骨旁骨肉瘤23例临床病理分析
短句来源
     Study on the histological classification and grading of parosteal osteosarcoma (with a report of 10 cases)
     骨旁骨肉瘤组织学分型和分级的探讨(附10例报告)
短句来源
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  皮质旁骨肉瘤
     Objective To evaluate the clinical features and treatment of differentiated parosteal osteosarcoma (dd -POS) .
     目的 探讨去分化皮质旁骨肉瘤(Dedifferentiated parosteal osteosarcoma,dd-POS)的临床特点及其治疗。
短句来源
     Dedifferentiated parosteal osteosarcoma
     去分化皮质旁骨肉瘤
短句来源
     The patients were diagnosed as 8 cases of conventional parosteal osteosarcoma (c POS), 1 case of dedifferentiated parosteal osteosarcoma (dd POS), 5 periosteal osteosarcoma (PERI) and 4 high grade surface osteosarcoma (HGS) according to the classification system developed at the Mayo Clinic.
     其中经典型皮质旁骨肉瘤 8例 ,去分化皮质旁骨肉瘤 1例 ,骨膜骨肉瘤 5例和高度恶性表面骨肉瘤 4例。
短句来源
     Conclusion BPOP is a benign proliferative lesion that has a recurrent potential and must be differentiated from parosteal osteosarcoma
     结论 BPOP是一种有复发倾向的良性增生性病变 ,应与皮质旁骨肉瘤等病变鉴别。
短句来源
  “parosteal osteosarcoma”译为未确定词的双语例句
     1 patient with parosteal osteosarcoma lesion at the middle femoral region was treated with wide resection, inactivation of the tumor bone shell and replantation one patient with periosteal osteosarcoma underwent wide resection and prosthesis implantation, the other one was treated with wide resection, inactivation of the tumor bone shell and replantation Amputation was performed in one patient with high - grade surface osteosarcoma.
     另1例股骨中段肿瘤的病例行肿瘤广泛切除,瘤骨壳灭活再植术。 2例骨膜骨肉瘤病人1例行肿瘤广泛切除,人工假体置换术,另1例行肿瘤广泛切除,瘤骨壳灭活再植术。
短句来源
     The radiographic features of parosteal osteosarcoma must be differentiated from other diseases such as myositis ossificans, sessile osteochondroma, etc.
     本病应与骨化性肌炎和骨软骨瘤等病变相鉴别。
短句来源
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  parosteal osteosarcoma
Parosteal osteosarcoma is a rare low-grade malignant neoplasm.
      
Parosteal osteosarcoma of the ulna: a rare low-grade malignant neoplasm.
      
Unusual benign bone lesion simulating parosteal osteosarcoma
      
The differential diagnosis included parosteal osteosarcoma, melorheostosis, osteochondroma, end-stage juxtacortical myositis ossificans, and fibrous dysplasia protuberans.
      
Because of its rapid growth and aggressive histopathological appearance, this lesion can be mistaken for a malignant neoplasm such as extraskeletal or parosteal osteosarcoma, despite its benign clinical behavior.
      
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The clinical, radiological and pathological data of 10 cases of parosteal osteosarcoma are analyzed.It is suggested that this disease is suitably classified into 3 types according to the characteristics of differentiation of the parenchyma -fibroblastic,osteoblastic and chondroblastic.Each type is differentiated into 3 grades-Grade Ⅰ,Ⅱ and Ⅲ according to the degree of cell differentiation .Most of the fibroblastic sarcomas are of Grade Ⅰ with favourable prognosis. All osteo blatic sarcomas are basically...

The clinical, radiological and pathological data of 10 cases of parosteal osteosarcoma are analyzed.It is suggested that this disease is suitably classified into 3 types according to the characteristics of differentiation of the parenchyma -fibroblastic,osteoblastic and chondroblastic.Each type is differentiated into 3 grades-Grade Ⅰ,Ⅱ and Ⅲ according to the degree of cell differentiation .Most of the fibroblastic sarcomas are of Grade Ⅰ with favourable prognosis. All osteo blatic sarcomas are basically of Grade Ⅲ with unfavourable prognosis. Chondro-blastic sarcomas are mostly of Grade Ⅱ and Ⅲ with an intermediate prognosis.

本文对10例骨旁骨肉瘤进行了临床、X线及病理分析,建议根据其基质的分化特点分为纤维母细胞型、骨母细胞型及软骨母细胞型三种类型,并根据其细胞分化程度分为Ⅰ、Ⅱ和Ⅲ级。结果纤维母细胞型多为Ⅰ、Ⅱ级病变,预后较好;骨母细胞型基本为Ⅲ级病变,预后差,和髓腔型骨肉瘤的预后相似;软骨母细胞型多为Ⅱ、Ⅲ级病变,预后介于前两者之间。

Objective Microwave heliotherapy was applied on the tumor bearing bone in situ of the extremities, in order to inactivate the tumor cells for limb salvage. Methods From 1980, 89 patients were treated with microwave heliotherapy in situ for limb salvage. There were 52 men and 37 women with age ranged from 10 to 46 years, and a mean of 18.9 years. The locations of the tumors were adjacent to the joint in 68 cases, on the shaft of long bones in 11 and the flat bones in 10. The pathological diagnosis revealed...

Objective Microwave heliotherapy was applied on the tumor bearing bone in situ of the extremities, in order to inactivate the tumor cells for limb salvage. Methods From 1980, 89 patients were treated with microwave heliotherapy in situ for limb salvage. There were 52 men and 37 women with age ranged from 10 to 46 years, and a mean of 18.9 years. The locations of the tumors were adjacent to the joint in 68 cases, on the shaft of long bones in 11 and the flat bones in 10. The pathological diagnosis revealed osteosarcoma in 51, parosteal osteosarcoma in 12, chondrosarcoma in 9, giant cell tumor of bone in 6, malignant fibrous histocytoma in 3, leiomyosarcoma in 2, metastastic tumor in 2, Ewing sarcoma in 2, synovial sarcoma in 1 and lymphoma in 1. The stages of the tumors according to Enneking classification wereⅡ B in 63,Ⅱ A in 23 andⅢ B in 3. The exposures of the tumor varied according to the tumor site, adjacent to joint, on the shaft of long bones or flat bones. The segment including the lesion and some normal bone close to the tumor was subjected to heating at 50℃ for 15 minutes by 2 450 MHz microwave, with surrounding normal soft tissue protected by copper mesh. Results The patients were followed up from 6 months to 20 years, with an average of 4.5 years. The 5 years survival rate was 64.49% , local recurrences were seen in 9 patients (10.1% ), 11 complications were encountered in 10 cases (12.4% ), which consisted of pathological fracture in 5, wound infection in 5 and epiphyseal separation in 1. The scores of the functional evaluation by Enneking system were<15 in 8,15-20 in 60 and >21 in 21.Conclusion The clinical result demonstrated that the advantangs of microwave heliotherapy were quick increase of temperature, sensitive reponses , easy control of temperature, and effective inactivation of tumor cells in tumor bearing bones. [

目的 采用微波对肿瘤瘤段骨进行原位热疗,灭活其中的肿瘤细胞,避免骨肿瘤切除后所造成的骨缺损。方法 自 1980年以来,对 89例四肢骨肿瘤患者采用肿瘤局部切除加术中微波原位热疗进行保肢手术,男 52例,女 37例;年龄 10~ 46岁,中位年龄 18.9岁。肿瘤性质 :骨肉瘤 51例,皮质旁骨肉瘤 12例,软骨肉瘤 9例,骨巨细胞瘤 6例,恶性纤维组织细胞瘤 3例,平滑肌肉瘤、转移癌和 Ewing肉瘤各 2例,淋巴瘤和滑膜肉瘤各 1例。肿瘤部位 :近关节端 68例,其中股骨下端 39例,胫骨上端 24例,肱骨近端 5例;骨干 11例,其中股骨干 6例,胫骨干 4例,桡骨干 1例;扁状骨 10例,其中骨盆和肩胛骨各 5例。肿瘤分期为:Ⅱ A期 23例,Ⅱ B期 63例,Ⅲ B期 3例。术中根据肿瘤所在的部位,如近关节端、骨干或骨盆和肩胛骨,按肿瘤广泛切除原则,选择显露、切除方法。将肿瘤瘤段骨及其周围部分正常骨干显露,用铜网保护周围正常软组织,利用 2 450 MHz微波加热 50℃, 15 min,灭活肿瘤瘤段骨内的肿瘤细胞。结果 本组随访 6个月~ 20年,平均 4.5年。五年生存率为 64.49%,局部复发...

目的 采用微波对肿瘤瘤段骨进行原位热疗,灭活其中的肿瘤细胞,避免骨肿瘤切除后所造成的骨缺损。方法 自 1980年以来,对 89例四肢骨肿瘤患者采用肿瘤局部切除加术中微波原位热疗进行保肢手术,男 52例,女 37例;年龄 10~ 46岁,中位年龄 18.9岁。肿瘤性质 :骨肉瘤 51例,皮质旁骨肉瘤 12例,软骨肉瘤 9例,骨巨细胞瘤 6例,恶性纤维组织细胞瘤 3例,平滑肌肉瘤、转移癌和 Ewing肉瘤各 2例,淋巴瘤和滑膜肉瘤各 1例。肿瘤部位 :近关节端 68例,其中股骨下端 39例,胫骨上端 24例,肱骨近端 5例;骨干 11例,其中股骨干 6例,胫骨干 4例,桡骨干 1例;扁状骨 10例,其中骨盆和肩胛骨各 5例。肿瘤分期为:Ⅱ A期 23例,Ⅱ B期 63例,Ⅲ B期 3例。术中根据肿瘤所在的部位,如近关节端、骨干或骨盆和肩胛骨,按肿瘤广泛切除原则,选择显露、切除方法。将肿瘤瘤段骨及其周围部分正常骨干显露,用铜网保护周围正常软组织,利用 2 450 MHz微波加热 50℃, 15 min,灭活肿瘤瘤段骨内的肿瘤细胞。结果 本组随访 6个月~ 20年,平均 4.5年。五年生存率为 64.49%,局部复发 9例,复发率为 10.1%。 10例发生了 11例次并发症 (12.4% )。功能评价为

Objective To analysis the distinct roentgenographic features of four subtypes of osteosarcoma arising on the surface of bone. Methods A retrospective review was performed on 18 patients of osteosarcoma arising on the surface of the bone confirmed by surgery and pathology. The patients were diagnosed as 8 cases of conventional parosteal osteosarcoma (c POS), 1 case of dedifferentiated parosteal osteosarcoma (dd POS), 5 periosteal osteosarcoma (PERI) and 4 high grade surface osteosarcoma...

Objective To analysis the distinct roentgenographic features of four subtypes of osteosarcoma arising on the surface of bone. Methods A retrospective review was performed on 18 patients of osteosarcoma arising on the surface of the bone confirmed by surgery and pathology. The patients were diagnosed as 8 cases of conventional parosteal osteosarcoma (c POS), 1 case of dedifferentiated parosteal osteosarcoma (dd POS), 5 periosteal osteosarcoma (PERI) and 4 high grade surface osteosarcoma (HGS) according to the classification system developed at the Mayo Clinic. Results Periosteal new bone formation was noticeably absent in all 8 patients of c POS. On plain roentgenogram,5 of 8 c POS presented as an uniformly dense mass. Six cases had a peculiar tendency to encircle the involved bone with a thin (2~3 mm) lucent zone between the tumor and the underlying cortex. The CT of 7 c POS showed high density osteoid mass. There was largely radioopaque mass with frequent areas of radiolucency on conventional film and CT scan in 1 patient of dd POS. The roentgenographic features of 5 PERI were mixed radiolucent mass on the cortical. The sunburst appearance of radiating spicules of mineralized tumor osteoid at right angles to the cortical bone was seen with CT in all 5 cases of PERI. Four HGS appeared as inhomogeneous mass on roentgenogram. CT detected scattering calcification in the 4 masses and angiography found focal hypervascularity in 2 HGS. Conclusion Four subtypes of surface osteosarcomas have distinct roentgenographic features respectively, which is helpful for diagnosing, treating and predicting outcome of the lesion.

目的 结合临床病理表现 ,重点探讨表面骨肉瘤各亚型的影像学特征。方法 对经手术和病理证实的 18例表面骨肉瘤进行回顾性分析。其中经典型皮质旁骨肉瘤 8例 ,去分化皮质旁骨肉瘤 1例 ,骨膜骨肉瘤 5例和高度恶性表面骨肉瘤 4例。重点描述各亚型的影像学表现。结果  8例经典型皮质旁骨肉瘤均未见骨膜反应 ,其中 5例X线呈均一致密的骨性肿块 ,6例肿瘤围绕骨表面生长 ,肿瘤与骨皮质间形成 2~ 3mm透亮的间隙 ;7例CT扫描示肿瘤呈高密度肿块。 1例去分化皮质旁骨肉瘤X线示其内密度不均。 5例骨膜骨肉瘤X线表现为放射状透亮软组织肿块 ,CT见肿瘤内骨小梁呈放射状垂直于骨皮质排列。 4例高度恶性表面骨肉瘤X线呈密度不均一的团块状影 ,CT示肿瘤内有散在不同程度的骨化 ;2例血管造影示区域性血管增多。结论 表面骨肉瘤 4种亚型的各自鲜明的影像学特征有助于早期明确诊断以及制定相应的治疗方案和评估预后 ,尤其是血管造影可以反映去分化皮质旁骨肉瘤和高度恶性表面骨肉瘤的高度恶性特征。

 
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