Osteoid osteoma Consists of newly formed bone
Clinical features <ul><li>< 30 years age </li></ul><ul><li>Severe pain relieved by Aspirin but not by rest </li></ul><ul><...
X-ray <ul><li>Tiny radiolucent area (nidus) {less than one cm.} </li></ul><ul><li>Round or oval </li></ul><ul><li>Surround...
Treatment <ul><li>Complete removal </li></ul>
Chondroma(Enchondroma)
Clinical features <ul><li>Young  </li></ul><ul><li>Incidentally on X-ray </li></ul><ul><li>Pathological # </li></ul>
X-ray <ul><li>Central radiolucent </li></ul><ul><li>Expanded </li></ul><ul><li>Metaphysis </li></ul><ul><li>Flecks of calc...
Treatment <ul><li>Curettage and Graft </li></ul>
Osteochondroma (Cartilage- capped exostosis )
Clinical features <ul><li>Teenage </li></ul><ul><li>Lump in the fast-growing ends of the long bones or iliac crest </li></...
X-ray <ul><li>Well defined bony protuberance from the metaphysis of lower femur or upper tibia or from the iliac crest </l...
The direction is away from the joint <ul><li>It is continuous with the mother bone   </li></ul>
Looks smaller than it feels The capped cartilage may calcify
Treatment <ul><li>Excision </li></ul>
Simple bone cyst  (Solitary; Unicameral bone cyst)
Clinical features <ul><li>Child  </li></ul><ul><li>Incidental finding on X-ray(Proximal humerus OR Femur) </li></ul><ul><l...
X-ray <ul><li>Large bubble inside the metaphysis </li></ul><ul><li>Never extends beyond physial plate </li></ul><ul><li>No...
Treatment <ul><li>Asymptomatic </li></ul><ul><li>No treatment(Avoid injury)  </li></ul><ul><li>Active cyst </li></ul><ul><...
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Orthopedics 5th year, 6th & 7th/part one lectures (Dr. Bakhtyar)

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The lecture has been given on Feb. 9th & 12th, 2011 by Dr. Bakhtyar.

Published in: Health & Medicine
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Orthopedics 5th year, 6th & 7th/part one lectures (Dr. Bakhtyar)

  1. 1. Osteoid osteoma Consists of newly formed bone
  2. 2. Clinical features <ul><li>< 30 years age </li></ul><ul><li>Severe pain relieved by Aspirin but not by rest </li></ul><ul><li>Femur and tibia </li></ul>
  3. 3. X-ray <ul><li>Tiny radiolucent area (nidus) {less than one cm.} </li></ul><ul><li>Round or oval </li></ul><ul><li>Surrounded by dense bone </li></ul><ul><li>Thickened cortex </li></ul>
  4. 4. Treatment <ul><li>Complete removal </li></ul>
  5. 5. Chondroma(Enchondroma)
  6. 6. Clinical features <ul><li>Young </li></ul><ul><li>Incidentally on X-ray </li></ul><ul><li>Pathological # </li></ul>
  7. 7. X-ray <ul><li>Central radiolucent </li></ul><ul><li>Expanded </li></ul><ul><li>Metaphysis </li></ul><ul><li>Flecks of calcification </li></ul>
  8. 8. Treatment <ul><li>Curettage and Graft </li></ul>
  9. 9. Osteochondroma (Cartilage- capped exostosis )
  10. 10. Clinical features <ul><li>Teenage </li></ul><ul><li>Lump in the fast-growing ends of the long bones or iliac crest </li></ul><ul><li>Stops enlarging at the end of the normal growth period for that bone. </li></ul><ul><li>Further enlargement after that means malignant changes </li></ul><ul><li>Multiple lesions (Hereditary multiple exostosis) </li></ul><ul><li>Solitary 1% } </li></ul><ul><li>Multiple 6%}->Malignant </li></ul>
  11. 11. X-ray <ul><li>Well defined bony protuberance from the metaphysis of lower femur or upper tibia or from the iliac crest </li></ul>
  12. 12. The direction is away from the joint <ul><li>It is continuous with the mother bone </li></ul>
  13. 13. Looks smaller than it feels The capped cartilage may calcify
  14. 14. Treatment <ul><li>Excision </li></ul>
  15. 15. Simple bone cyst (Solitary; Unicameral bone cyst)
  16. 16. Clinical features <ul><li>Child </li></ul><ul><li>Incidental finding on X-ray(Proximal humerus OR Femur) </li></ul><ul><li>Pathological # </li></ul>
  17. 17. X-ray <ul><li>Large bubble inside the metaphysis </li></ul><ul><li>Never extends beyond physial plate </li></ul><ul><li>No expansion of the bone </li></ul><ul><li>May occupy the entire metaphysis </li></ul>
  18. 18. Treatment <ul><li>Asymptomatic </li></ul><ul><li>No treatment(Avoid injury) </li></ul><ul><li>Active cyst </li></ul><ul><ul><li>1- young child </li></ul></ul><ul><ul><li>2- the cyst abutting against the physical plate </li></ul></ul><ul><ul><li>3- enlarging in sequential X-rays </li></ul></ul><ul><li>Fluid aspiration(straw color)+ injection of 80-160 methylprednisolon </li></ul><ul><li>If still enlarging OR pathological # </li></ul><ul><li>Curettage + bone graft </li></ul>

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