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Skeletal Pathologies PowerPoint PPT Presentation


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Skeletal Pathologies. TERMS FOR REVIEW. Periosteum Diaphysis Epiphysis Endosteum Compact Bone Haversian systems Cancellous bones Epiphyseal cartilage Osteoblasts/osteoclasts Ossification/resorption. TRANSITIONAL VERTEBRA SPINA BIFIDA OSTEOPETROSIS OI.

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Skeletal Pathologies

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Skeletal Pathologies


TERMS FOR REVIEW

  • Periosteum

  • Diaphysis

  • Epiphysis

  • Endosteum

  • Compact Bone

  • Haversian systems

  • Cancellous bones

  • Epiphyseal cartilage

  • Osteoblasts/osteoclasts

  • Ossification/resorption


TRANSITIONAL VERTEBRA

SPINA BIFIDA

OSTEOPETROSIS

OI

CHARACTERISTICS OF BOTH DIVISIONS OF SPINE

LUMBARIZATION

SACRALIZATION

CERVICAL RIB

FAILURE OF RESORPTIVE MECHANISM (HEREDITARY)

MARBLE BONES

INHERITED

SEVERE OSTEOPOROSIS, DEFECTIVE CORTICES

PATHOLOGIESREMEMBER:RAD FINDINGS AND DEFINITION


OSTEOPOROSIS AND DEXA

  • Refer to handout

  • Accelerated bone resorption

  • Cannot be visualized on radiograph until 50-70% of bone density is lost!

  • Radiographically: “picture frame”

  • DEXA DUAL ENERGY X-RAY ABSORPTIOMETRY

  • 2 beams of high and low energy

  • ST eliminated, bone mineral density (BMG)

  • T-score

  • Z-score


Ankylosing spondylitis

  • SI Joint

  • “bamboo spine”

  • Osteoporosis, stress fracture


Unknown origin

Systemic, insidious

Women

Inflammation of synovial membrane

Periarticular osteoporosis

ST swelling

Solid bony ankylosis

Degenerative

Age, repetitive movement, trauma

Loss of joint space

Joint space irregularity

ARTHRITISRheumatoid VS Osteo


  • Gout

  • Paget’s disease

  • Benign tumors

    • Osteochondroma, bone cyst, giant cell tumor

  • Malignant

    • Ewings,Bony metatasis


  • Battered child syndrome

    • Shaken baby

    • Munchaasen syndrome

    • SID


Herniation of Intervertebral disc

  • Plain films

  • Myelogram

  • CT

  • MRI

  • SPONDYLOYSIS AND LISTHESIS


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