Osteoid osteoma
Osteoid Osteoma
Osteoid osteoma (/ɒstiːɔɪd ɒstiːoʊmə/) is a benign, bone-forming tumor that typically develops in the long bones of the body, most commonly in the legs but can also occur in the spine and other areas.
Etymology
The term "osteoid osteoma" is derived from the Greek words "osteon" meaning bone, "eidos" meaning form or resemblance, and "oma" meaning tumor or mass. Thus, the term literally translates to "bone-forming tumor."
Definition
An osteoid osteoma is a small, benign tumor that can occur in any bone in the body. It is most commonly found in the long bones of the legs, but can also occur in the spine and other areas. The tumor is typically less than 1.5 cm in size and is characterized by a nidus, or central area, of osteoid (bone-like tissue) and highly vascularized, reactive bone.
Symptoms
The most common symptom of an osteoid osteoma is pain, which is often worse at night and can be relieved by nonsteroidal anti-inflammatory drugs (NSAIDs). Other symptoms may include swelling, tenderness, and a decrease in range of motion in the affected area.
Diagnosis
Diagnosis of an osteoid osteoma typically involves a combination of physical examination, medical history, and imaging tests such as X-rays, computed tomography (CT) scans, or magnetic resonance imaging (MRI). The characteristic appearance of the tumor on these imaging tests can often lead to a diagnosis.
Treatment
Treatment for an osteoid osteoma may include observation, pain management with NSAIDs, and surgical removal of the tumor. In some cases, a procedure called radiofrequency ablation may be used to destroy the tumor.
Related Terms
- Osteoma
- Osteoblastoma
- Osteosarcoma
- Benign bone tumor
- Malignant bone tumor
- Radiofrequency ablation
- Nonsteroidal anti-inflammatory drugs
External links
- Medical encyclopedia article on Osteoid osteoma
- Wikipedia's article - Osteoid osteoma
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