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Enostosis is usually found in T1 to T7 for the thoracic spine and L2 to L3 in the lumbar spine. It consists of cortical bone merging with medullary bone with irregular margins. The shape of the lesion is round or oval with a thornlike margin, up to 2 cm in diameter. In both T1 and T2-weighted imaging, it shows low signal intensity.
Bone metastasis, or osseous metastatic disease, is a category of cancer metastases that result from primary tumor invasions into bones. Bone-originating primary tumors such as osteosarcoma, chondrosarcoma, and Ewing sarcoma are rare; the most common bone tumor is a metastasis. [1] Bone metastases can be classified as osteolytic, osteoblastic ...
Idiopathic osteosclerosis, also known as enostosis or dense bone island, is a condition which may be found around the roots of a tooth, usually a premolar or molar. [2] It is usually painless and found during routine radiographs as an amorphous radiopaque (light) area around a tooth.
Osteosclerosis is a disorder characterized by abnormal hardening of bone and an elevation in bone density. It may predominantly affect the medullary portion and/or cortex of bone. Plain radiographs are a valuable tool for detecting and classifying osteosclerotic disorders. [1] [2] It can manifest in localized or generalized osteosclerosis.
Osteopoikilosis is a benign, autosomal dominant, sclerosing (hardening) dysplasia of bone characterized by the presence of numerous bone islands in the skeleton. [ 1 ] Presentation
A bone tumor is an abnormal growth of tissue in bone, traditionally classified as noncancerous (benign) or cancerous (malignant). [1] [4] Cancerous bone tumors usually originate from a cancer in another part of the body such as from lung, breast, thyroid, kidney and prostate. [1] There may be a lump, pain, or neurological signs from pressure. [1]
The tumor is solid, hard, irregular ("fir-tree," "moth-eaten", or "sun-burst" appearance on X-ray examination) due to the tumor spicules of calcified bone radiating at right angles. These right angles form what is known as a Codman triangle, which is characteristic but not diagnostic of osteosarcoma. Surrounding tissues are infiltrated.
This treatment can be tailored to the particular tumor of the spine, either metastatic or primary. [19] Some suggest that direct decompressive surgery combined with postoperative radiotherapy, provide better outcomes than treatment with radiotherapy alone for patients with spinal cord compression due to metastatic cancer. [20] [21]