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Enchondroma

Enchondroma occurs in about 1%. It is a benign cartilage tumor seen as an incidental finding on the x-rays. The cartilage will look like calcified arcs, rings, or punctate calcification. It is located in the metaphysis of long bones such as the proximal femur, proximal tibia, proximal humerus and distal femur. 42% occurs in small tubular bones such as the hands and feet. In fact, it is the most common tumor of the hands and feet. If it occurs in the pelvis or in the scapula, it is chondrosarcoma.

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Articles of Interest

Chondroma treatment in Israel

Chondroma is a benign neoplasm, the structure of which consists of cartilage cells. The tumor develops slowly and does not manifest itself for a long time. In most cases, a favorable course is observed, but it cannot be ruled out that it will develop into a malignant form, therefore, diagnosis and treatment should be immediate.

Chondroma and chondrosarcoma

A chondrosarcoma is the most common primary malignant tumor of the chest wall. It usually presents on the anterior chest wall arising from the costochondral arches or sternum. It may occur as the result of malignant degeneration of a benign chondroma. Both chondrosarcomas and benign chondromas present as painful, slow-growing, hard, fixed, and nontender anterior chest wall masses.

Enchondroma - Everything You Need To Know - Dr. Nabil Ebraheim

Dr. Ebraheim’s educational animated video describes the condition of Enchondroma.

Extraskeletal Chondroma: Another Diagnostic Possibility for a Soft Tissue Axillary Mass in an Adolescent

Extraskeletal chondroma is a benign cartilaginous tumor that occurs predominantly in the soft tissues near small joints of the hands and feet. There are rare reports of the lesion in other sites, such as the head, neck, trunk, oral cavity, larynx, and pharynx

Periosteal and Soft Tissue Chondromas

Chondromas are benign (noncancerous) tumors that are made of cartilage — the flexible, connective tissue that protects the ends of bones where they meet to form joints. Chondromas are most often found in the small bones of the hands and feet, as well as the humerus (upper arm bone) and femur (thighbone). There are different types of chondromas, classified according to where they form on the bone. A periosteal chondroma develops on the surface of bone, out of the periosteum, which is a strong membrane that covers bones.

Soft tissue chondroma case report and review of the literature

Soft tissue chondromas are rare, slowly progressing benign cartilaginous tumors that probably arise from the fibrous stroma and not from mature cartilaginous or osseous tissue. This benign soft-tissue lesion affects hands and feet in 90% of cases, with the fingers being the most common site. They most commonly begin in middle age (between 30 and 60 years), and have an uncertain pathogenesis.

Soft Tissue Chondroma: A Case Report and Literature Review

Extra skeletal soft tissue chondroma is a very rare, slow progressing, benign tumor. It has a specific tendency for hands and feet. It can sometimes be misdiagnosed as a synovial cyst or a more serious condition such as synovial sarcoma. Moreover, it can exhibit worrying radiologic and histological features mimicking chondrosarcomas.

Soft Tissue Chondroma: Two Cases Report and Literature Review

Soft tissue chondroma is a rare benign tumor. It refers to a tumor with well-defined nodules of cartilages developed in soft tissue and unattached to bone or periosteum. The principal sites of occurrence are hands and feet. It affects both sexes equally and mainly occurs in patients aged 30 - 60 years. Extraskeletal Chondroma probably arises from the fibrous stroma and not from mature cartilaginous or osseous tissue . It differs from juxtacortical or periosteal chondroma which is a benign tumor located between the bone and periosteum. MRI is the method of choice in the evaluation of this rare clinical entity.

The giant aggressive chondroma: A rare entity, a difficult approach

It is then possible to assume that size is an important risk factor for malignant transformation but considering the impact on the quality of life of a preventive surgery, an intensive follow-up could be considered reasonable.

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Musculoskeletal Key

Chondroma is characteristically a small tumor, and when a tumor of hyaline cartilage that is several centimeters in greatest dimension is seen, the lesion should be examined carefully for evidence of malignancy. Erosion or thickening of the overlying cortex is an ominous sign, often evident on radiographs. Myxoid change in the matrix, especially if it gives rise to cystification, also is an ominous sign. The rules are different in the small bones because, as indicated above, the cortex may be paper thin. Moderate myxoid change in the matrix can also be seen in chondromas of the small bones and periosteal chondromas.