骨质破坏

磁共振成像（MRI）检查6例有骨质破坏，椎体破坏及异常信号灶。

Examination of MRI in 6 case showed destruction of bone and corpus vertebra and abnormal signal focus .

CT表现为骨质破坏伴骨硬化缘环绕、死骨，冷脓肿形成及脓肿壁钙化。

CT findings were as follows : destruction of bone and surrounding osteosclerosis , sequestrum , formation of cold abscess and calcification of the wall ;

高分辨CT三维容积重建对颞骨骨质破坏的诊断价值

Diagnosis of temporal bone destruction by volume rendering three-dimensional reconstruction using high-resolution CT

MRI在判别颅底骨质破坏、颅内受侵方面较CT优越。

MRI was superior to CT in differentiating the lesions of skull base .

结果CT主要表现为膨胀性病变、溶骨性骨质破坏和软组织肿块。

Results The main CT signs were expansive , osteolytic destruction and soft tissue mass .

结论CT诊断脑膜瘤的优势是可明确显示钙化，可直接显示肿瘤引起的骨质破坏范围；

CONCLUSION CT images directly show calcification and the range of bony destruction by the tumor .

结果14例CT表现均为眼眶不规则肿块和邻近的眶壁溶骨性骨质破坏，7例骨质破坏区邻近的颅内可见扁平不规则肿块。

Results All patients showed a soft tissue mass with lytic bone destruction of orbital walls on CT .

CT表现：舌下神经孔扩大和骨质破坏，并见软组织块影2例。

CT revealed the enlargement and the destruction of hypoglossal nerve canal and soft tissue mass in 2 cases .

1例嗜酸性肉芽肿CT表现为岩部、鼓室不规则肿块和骨质破坏。

One patient with eosinophilic granuloma showed irregular soft tissue mass of petrous bone and tympanum and bony destruction .

结论中线恶性肉芽肿在鼻腔及鼻窦的病变具有明确的CT特征，即弥漫浸润病灶伴骨质破坏。

Conclusion Nasal or paranasal diffuse infiltrative lesion with bone destruction is typical CT findings in midline malignant granulomatosis .

CT表现为不同程度的关节面模糊、骨质破坏伴浓密，关节间隙增宽。

On CT scans , the lesions were characterized by blurred articular surface , bony destruction and widened articular space .

胸部CT示左侧第二肋骨前段软组织占位伴肋骨骨质破坏。

Chest computed tomography showed a soft tissue tumor located at the forepart of the left rib with bone destruction .

结论：盾板骨质破坏和上鼓室外侧壁破坏是松弛部胆脂瘤较特征性的CT征象。

Conclusion : The destruction of scutum with erosion of attic lateral wall is a feature for cholesteatoma of middle ear .

中耳胆脂瘤的CT表现为：（1）鼓室、鼓窦内软组织影和骨质破坏；

CT findings of cholesteatoma of the middle ear :( 1 ) abnormal soft-tissue in tympanic cavity and antrum and bone erosion ;

而多因素分析中仅有颅神经损伤、颅底骨质破坏及N分期为影响鼻咽癌独立的预后因素。

Multiple factors analysis suggested that only cranial nerve palsy , skull base invasion and N stage were significant factors for prognosis .

多排螺旋CT三维重建能有效地发现微小骨质破坏，从而为临床分型及治疗提供帮助。

Multi-slice spiral CT three-dimensional reconstruction can find small bone destruction effectively , so it can give help to clinical classification and treatment .

结果恶性骨肿瘤的基本CT征象有骨质破坏、肿瘤骨形成、骨膜反应及软组织肿块。

Results The basic signs of malignant bone-tumor were bone destruction , tumor bone formation , periosteal reaction , and soft tissue mass .

鼻腔及鼻窦侵犯3例，CT表现为鼻腔及鼻窦内软组织肿块和相对较轻的骨质破坏。

In 3 cases involvement was found in nasal cavity and nasal sinuses , showing the signs of soft-tissue mass and slight bone destruction .

研究者由此作出结论，认为MRI是评估骨质破坏性疾病最有前景的方法。

" For these reasons , MRI is the most promising modality for evaluating bony erosive disease ," the investigators conclude .

结果恶性肿瘤8例，CT表现为不规则软组织肿物，其中骨肉瘤3例，明显溶骨性骨质破坏3例，肿物内均有瘤骨形成；

Results Eight malignant tumors showed irregular soft tissue mass . The osteolytic destruction and tumor new bone formation could be seen in 3 osteosarcoma .

结论：螺旋CT诊断胆脂瘤型中耳炎，尤其对判定骨质破坏的范围和胆脂瘤的部位，制定手术方案和评估治疗效果，具有重要的指导意义。

Conclusion : Spiral CT has a role in diagnosing the otitis media with cholesteatoma and especially about the bony-erosion and the position of cholesteatoma .

结果脊柱结核的CT表现为：①斑片、斑点状、洞穴状或蜂窝状骨质破坏（43/43例）；

Results The CT manifestations of spinal tuberculosis were : 1 mottling , patchy , caved or faveolate bone destructions ( 43 / 43 cases );

结果CT对颅骨嗜酸性肉芽肿的骨质破坏、小骨片、脂质及软组织肿块显示有价值；对观察硬脑膜是否受侵有意义。

Results Lipid , small bone piece , parenchyma lump and endocranium erosio for acidophilic granuloma of skull were showed clearly and accurately in CT .

CT对于较小的肿块或者发生在较复杂的钙化灶或骨质破坏的显示更清楚，增强扫描有助于病灶成分的辨别。

CT for smaller bump or happened in more complex calcification or bone destruction display more clearly , enhance scan helps to identify the lesions composition .

结论：RA活动期有骨质破坏及骨吸收现象；

Conclusion : There exists bone damage and bone reduce in patients with active phage RA .

对此68例临床症状不典型的患者，用对比分析平片、多层CT二种检查方法对骨质破坏、骨质硬化、骨膜反应、骨髓腔受累、死骨等征象的显示进行比较。

The demonstrating extent of bone destruction , osteosclerosis , periosteal reaction , involving of marrow lumen and sequestrum were compared among plain film and multi-slice CT .

抗CⅡ抗体被认为是反映关节炎严重程度最可靠的指标，其水平反映了RA早期阶段炎症和骨质破坏的程度。

Anti-C ⅱ antibodie is considered to reflect the severity of arthritis of RA and the level of inflammation and the destruction of bone .

结果：68例脊椎结核的CT表现特征为骨质破坏，死骨形成，椎旁脓肿，椎间隙狭窄，脊柱成角畸型。

Results : The characteristic manifestations of vertebral tuberculosis were destruction of bone , sequestration , paravertebral abscess narrowing of intervertebral space and angulation deformity of the vertebral column .

结论鼻腔原发恶性淋巴瘤CT表现具有一定特征性，鼻腔前部肿物无明显骨质破坏，多并存限局性鼻背皮肤增厚，对放疗敏感，应考虑恶性淋巴瘤。

Conclusion NHLs in nasal cavity have some imaging features , the mass in nasal anterior part without bony erosion and sensitive to radiotherapy should be considered as malignant ones .

MR对钙化和骨质破坏的显示不如CT敏感。Ⅳ期骨质改变轻微或不明显。

MR to calcify with the not equal to the sensitive of CT in manifestation that bone substance break . ⅳ period the bone substance changes is slight or unknown show .