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  2. Bone tumor - Wikipedia

    en.wikipedia.org/wiki/Bone_tumor

    X-ray of a giant cell bone tumor in the head of the 4th metacarpal of the left hand. An arm bone tumor. Bone tumors are traditionally classified as noncancerous (benign) or cancerous (malignant). [1] Several features of bone tumors and soft tissue tumors overlap. [7] Their classification was revised by the World Health Organization (WHO) in ...

  3. Enchondroma - Wikipedia

    en.wikipedia.org/wiki/Enchondroma

    Enchondroma is a type of benign bone tumor that originates from cartilage. The exact etiology of it is not known. An enchondroma most often affects the cartilage that lines the inside of the bones. The bones most often involved with this benign tumor are the miniature long bones of the hands and feet.

  4. Brown tumor - Wikipedia

    en.wikipedia.org/wiki/Brown_tumor

    Micrograph of a brown tumor (left of image). H&E stain.. Brown tumours consist of fibrous tissue, woven bone and supporting vasculature, but no matrix.The osteoclasts consume the trabecular bone that osteoblasts lay down and this front of reparative bone deposition followed by additional resorption can expand beyond the usual shape of the bone, involving the periosteum thus causing bone pain.

  5. Giant-cell tumor of bone - Wikipedia

    en.wikipedia.org/wiki/Giant-cell_tumor_of_bone

    X-ray of a giant-cell bone tumor in the head of the fourth metacarpal of the left hand. On X-ray, giant-cell tumors (GCTs) are lytic/lucent lesions that have an epiphyseal location and grow to the articular surface of the involved bone. [8] Radiologically the tumors may show characteristic 'soap bubble' appearance. [9]

  6. Osteochondroma - Wikipedia

    en.wikipedia.org/wiki/Osteochondroma

    Osteochondromas are the most common benign tumors of the bones. [1] [2] The tumors take the form of cartilage-capped bony projections or outgrowth on the surface of bones . [3] [4] It is characterized as a type of overgrowth that can occur in any bone where cartilage forms bone. Tumors most commonly affect long bones about the knee and in the ...

  7. Bizarre parosteal osteochondromatous proliferation - Wikipedia

    en.wikipedia.org/wiki/Bizarre_parosteal...

    Bizarre parosteal osteochondromatous proliferation (BPOP), also known as Nora's lesion, [4] is a type of non-cancerous bone tumor belonging to the group of cartilage tumors. [1] [2] [5] It is generally seen in the tubular bones of the hands and feet, [6] where it presents with a rapidly enlarging painless lump in a finger or toe.

  8. Osteosarcoma - Wikipedia

    en.wikipedia.org/wiki/Osteosarcoma

    An osteosarcoma (OS) or osteogenic sarcoma (OGS) (or simply bone cancer) is a cancerous tumor in a bone.Specifically, it is an aggressive malignant neoplasm that arises from primitive transformed cells of mesenchymal origin (and thus a sarcoma) and that exhibits osteoblastic differentiation and produces malignant osteoid.

  9. Tenosynovial giant cell tumor - Wikipedia

    en.wikipedia.org/wiki/Tenosynovial_giant_cell_tumor

    Tenosynovial giant cell tumor (TGCT) is a non-malignant tumor defined histologically as inclusions of “osteoclast-like” multinucleated giant cells, hemosiderin, and macrophages. [1] This histology can present one of 2 clinically distinct ways. TGCT tumors often develop from the lining of joints (also known as synovial tissue).

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