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  #1  
Old 07-28-2010
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Microscope Confused with Reid Index

What is the Reid Index?

Have a look at this question

Confused with Reid Index-13.jpg
click to enlarge
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  #2  
Old 07-28-2010
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those are some weird and confusing choices... the reid index is thickness of submucosal glands to whole tracheal wall... id go with b/(a+b+c+d)
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  #3  
Old 07-28-2010
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its clearly written in robbins that its thickness of submucosal gland / thickness bet epithelia n cartilage...
so do we need to include whole thickness of cartilage n epithelia or not??
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Old 08-04-2010
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reid index is thickness of mucus gland layer to thickness of wall b/n epithelium&cartilage.(i.e. bronchial wall)so we can safely exclude A,B&E options.

the bronchial wall-it's basement membrane to perichondrium of cartilage
.

so i would say C is more appropriate option rather than saying exact answer.i can't take D option as in pic depicted above the letter D represents whole thickness of cartilage not just perichondrium.plz correct me if i'm wrong.
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Old 08-04-2010
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ya i also think it should be C...
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Old 08-04-2011
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Quote:
Originally Posted by khushboo View Post
ya i also think it should be C...
NOT INCLUDED the entire bronquial wall., so C is the response.

that is a uworld question, right? ...
that is also the answer for them.
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Old 08-04-2011
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Quote:
Originally Posted by khushboo View Post
What is the Reid Index?

Have a look at this question

Attachment 867
click to enlarge
the correct ans is B/A+B+C, reid index doesnt include the cartilage...i think i saw this question on uworld...i am sure they must have given a detailed explanation ...
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