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Old 04-09-2013
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Kidney Pupillary necrosis vs acute tubular necrosis

Hello.. This concept has always confused me.. Please help me understand it clearly:
Is ischemia associated with acute tubular necrosis or papillary necrosis?

Thanks alot
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Old 04-09-2013
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two areas are susceptible in nephron to hypoxia
1-PCT (cortex)
2-ascending limb of loop of Henle (medulla)


whenever case gives u hypotensive patient or someone with crash injury with oliguria u should suspect ATN

when case is on diabetic or a patient on analgesics or someone with SCA u suspect papillary necrosis (loss of concentrating ability of kidneys=increased diuresis)
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Old 04-09-2013
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ischemia is associated with ATN

infections and immune stimulus with papillary necrosis.
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Old 04-09-2013
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Thanks guys =)
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