Enostosis
Enostosis
Enostosis (pronunciation: /ɛnəˈstoʊsɪs/), also known as a bone island, is a benign, solitary, intramedullary focus of compact bone. The term is derived from the Greek words "enos" meaning "within" and "osteon" meaning "bone".
Definition
Enostosis is a focal area of increased bone density that is usually detected incidentally on radiographs. It is typically asymptomatic and does not require treatment unless it is causing symptoms or is located in a critical area of the bone.
Symptoms
While enostosis is typically asymptomatic, when symptoms do occur, they may include localized pain or discomfort. In rare cases, enostosis may cause a pathological fracture.
Diagnosis
Diagnosis of enostosis is typically made through imaging studies such as X-rays, CT scans, or MRI. The characteristic appearance of enostosis on imaging is a small, round, or oval area of increased bone density.
Treatment
Treatment for enostosis is typically not necessary unless the lesion is causing symptoms or is located in a critical area of the bone. In such cases, surgical removal may be considered.
Related Terms
- Osteoma: A benign bone tumor that may be similar in appearance to enostosis on imaging studies.
- Osteosclerosis: A condition characterized by an increase in bone density, similar to enostosis.
- Osteoporosis: A condition characterized by a decrease in bone density, the opposite of conditions like enostosis and osteosclerosis.
External links
- Medical encyclopedia article on Enostosis
- Wikipedia's article - Enostosis
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