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All right, let's talk about diffuse cystic lung disease.

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So if after this talk you can list the common causes

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of cystic lung disease

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and you can identify the presence of cystic lung disease

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and give a general diagnostic approach

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and you can discuss specific findings which help

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differentiate bird hug dubay syndrome from lymphocytic

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interstitial pneumonitis in the setting

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of cystic lung disease,

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I feel like I would've been successful.

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So if you google diffuse cystic lung disease,

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you're gonna get back a zillion things.

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So probably just like 20 things

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or 30 things which have been described to cause

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cysts within the lungs.

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But from a chance standpoint.

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So percentages standpoint, if you have someone

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with diffuse cystic lung disease at your hospital,

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whether you're at an academic center

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or you're at a community hospital, uh,

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unless you work somewhere where you are sub subspecialized

0:56

for diffuse cystic lung disease

0:58

and there's really only a handful like in University

1:00

of Cincinnati, maybe nationally Jewish, like University

1:03

of Michigan, just really a handful of places

1:05

that have access to these kind of patients.

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You're gonna be dealing with a different diagnosis

1:10

of four things, mainly with some caveats to that.

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So you're thinking about longer hand cytosis, lymphangitis,

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mytosis, lymphocytic interstitial pneumonitis,

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and the bird hug debate syndrome.

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I say it's rare, but I think bird hug debate maybe is not

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as rare as I once thought it was.

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'cause I have seen cases, real life cases come through. I.