Common pediatric surgery problems.pdf
Common pediatric surgery problems.pdf
Common pediatric surgery problems.pdf
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Hirschsprung’s Disease<br />
Absence of ganglia in submucosal and myenteric<br />
plexuses<br />
variable proximal extension of aganglionosis<br />
lack of peristalsis and failure of sphincter relaxation<br />
rectosigmoid only in 75%, entire colon in 8%<br />
1:5000 births<br />
70 – 80% boys<br />
4X greater in Down’s babies
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