usmleasr
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26. Examination of the lungs at autopsy shows nodular areas of chronic pneumonitis with necrotizing arteritis and focal collections of epithelioid histiocytes. The most likely diagnosis is
A desquamative interstitial pneumonia
B Goodpasture's syndrome
C histiocytosis X
D idiopathic pulmonary fibrosis
E pulmonary alveolar proteinosis
F sarcoidosis
explain please
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| asmi
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A..
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| Idiopathic
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Histiocytosis x is the only one that i know of that is granulomatous (with the exception of sarcoid). It is a disease of langerhans cells, but I am just making a semi-educated guess here.
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| Gul
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F
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| mjl1717
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My guess is pulmonary alveolar proteinosis :|
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| merjr
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I go with Histiocytosis X
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| bobby
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though question :!:
i think is F.
who knows the right ans :?:
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| usmleasr
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sorry i don't have ans...i also thought as histiocytosis-X :oops:
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| asmi
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it has to be goodpastures....
since wegener's is not given here :roll:
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| Idiopathic
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I didnt even consider Goodpasture's, but it definitely sounds good when you consider the vasculitis aspect...i like it!! 
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| freakydoc
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where is wegners????? this question showed up on the nbme i marked wegners has the answer...
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