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Osteoid Osteoma

A small benign bone tumor that causes night pain.

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Ortopedi ve Travmatoloji department. Book Appointment →

What is Osteoid Osteoma?

Osteoid osteoma is a benign bone tumor with a central nidus (active osteoid-producing tissue) surrounded by reactive bone sclerosis. The nidus is usually less than 1.5 cm and produces characteristic pain due to prostaglandin synthesis.

It is most common in young men aged 10 to 25 years and is generally located in the cortex of long bones such as the femur and tibia. Lesions in the spine can cause painful scoliosis.

The classic description is pain that worsens at night, is unrelated to activity, and shows a dramatic response to aspirin or NSAIDs. This clinical feature is highly valuable for diagnosis.

Symptoms

Dull pain that worsens at night
Dramatic response to aspirin or NSAIDs
Localized tenderness
Joint effusion in lesions near a joint
Painful scoliosis with spinal involvement
Muscle atrophy
Growth disturbances in children

Risk Factors

Male sex (2-4:1 ratio)
Age 10 to 25 years
Cortex of long bones
Genetic predisposition (rare)
Familial clustering
White race
Prior bone pathology

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • For bone pain that worsens at night
  • For bone pain relieved by aspirin
  • For unexplained localized bone pain
  • If painful scoliosis is developing
  • If pain has lasted more than 3 weeks

Treatment Methods

01
NSAIDs (over 2-3 years for spontaneous regression)
02
CT-guided percutaneous radiofrequency ablation
03
Cryoablation
04
En bloc excision (especially with spinal involvement)
05
Intralesional curettage
06
Follow-up and pain management

Which Department to Visit?

You can visit our Ortopedi ve Travmatoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Ortopedi ve Travmatoloji Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.