chest wall deformity
TRANSCRIPT
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Chest wall deformity
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WHAT IS NORMAL SHAPE
OF CHEST WALL?
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Abnormal shape of chest wall
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1. Pigeon chest (pictus carinatum)
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2.Funnel chest (pectus excavatum):In ward depression of sternum due to
fibrous replacement of anterior portion of the diaphragm
When it is severe heart my be compressed and ventilatory limitation of the lung
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3.Harisson’s sulcus and rachitic rosaries:A depression on both sides of the
lower chest extending from xyphoid process out wards and down words (site of attachment of diaphragm)
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4.Unilateral bulge of chest wall:• Presence of pneumothorax or
pleural effusion
• Compensatory emphysema
• Chest wall tumor
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5.Unilateral retraction of chest wall :• Fibro thorax
• Collapse
• thoracoplasty
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6.Barrel shape chest:
• Increase antroposterior diameter
• Up ward and out ward bulge of chest
• Ribs became transverse
• Wide intercostals space
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Spinal deformity
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1.Scoliosis :Lateral curvature of the spine
may alter the position of mediastinum lead to mediastinal compression and ventilatory restriction
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Causes:
• Conginital
• Neuropathy:(poliomylitis-cerebral palsy…)
• Myopathy
• Sex linked as Turner’s syndrome
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2.Kyphoscoliosis back ward and lateral displacement of the spine
3. lordoscoliosis
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4.Ankylosingspondiolitis:calcification of inter vertebral
ligaments “ bamboo spine”