Orthopedics 5th year, 6th & 7th/part one lectures (Dr. Bakhtyar)
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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.

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

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Orthopedics 5th year, 6th & 7th/part one lectures (Dr. Bakhtyar) Orthopedics 5th year, 6th & 7th/part one lectures (Dr. Bakhtyar) Presentation Transcript

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