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If the tumor is found under a tendon, it can cause pain during movement causing restriction of joint motion. Pain can also occur due to bursal inflammation, swelling or fracture at the base of the tumor stalk. Some of the clinical signs and symptoms of malignant osteochondroma are pain, swelling, and mass enlargement. [4]
In most occurrences, there is only one joint affected, either the knee, the hip, or the elbow. Rarely involves the TMJ. [1] The cause is unknown. In this condition, cartilaginous metaplasia takes place within the synovial membrane of the joint. Metaplastic synovium organizes into nodules. With minor trauma, nodules are shed as small bodies into ...
Multiple deformities can arise, namely coronal plane deformities around the knees, ankles, shoulders, elbows, and wrists. For example, genu valgum (knock knees), ankle valgus, ulnar bowing and shortening, and radial head subluxation are encountered. The majority of affected individuals have clinically manifest osteochondromas around the knee.
Proton density weighted MRI of a knee with synovial chondromatosis. There are multiple intra-articular loose bodies located in the suprapatellar recess. [5] Diagnosis is by medical imaging; X-ray, CT scan and MRI. [1] For diagnosis of the TMJ, Cone beam computed tomography (CBCT) can also be useful. [6]
The most common locations for many primary tumors, both benign and malignant include the distal femur and proximal tibia (around the knee joint). Examples of benign bone tumors include osteoma, osteoid osteoma, osteochondroma, osteoblastoma, enchondroma, giant cell tumor of bone and aneurysmal bone cyst. [citation needed]
Medical condition Osteochondritis dissecans A large flap lesion in the femur head typical of late stage Osteochondritis dissecans. In this case, the lesion was caused by avascular necrosis of the bone just under the cartilage. Pronunciation / ˌ ɒ s t i. oʊ k ɒ n ˈ d r aɪ t ɪ s ˈ d ɪ s ɪ k æ n z / Specialty Orthopedic surgery Osteochondritis dissecans (OCD or OD) is a joint disorder ...
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An extraskeletal osteochondroma may show up on traditional radiography as a well-circumscribed, lobulated mass with intense core mineralization. [6] The extraskeletal position of the mass can be verified by CT , which can also reveal foci of ossification or calcification that help narrow the diagnosis to extraskeletal chondroma. [ 7 ]