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| '''Rheumatoid lung nodule''', also '''rheumatoid nodule of the lung''', is an uncommon benign lung lesion associated with [[rheumatoid arthritis]].
| | #redirect [[rheumatoid lung nodule]] |
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| ==General==
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| *RF +ve.
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| ==Microscopic==
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| Features:<ref name=pmid23984160/>
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| *Mixed inflammatory infiltrate.
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| *+/-[[Giant cells]].
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| Dx:
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| *Necrotic pulmonary nodule in [[Crohn's disease]].
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| *[[Infectious pneumonia]].
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| ===Images===
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| www:
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| *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3741933/figure/fig3/ RLN (nih.gov)].<ref name=pmid23984160/>
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| *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3741933/figure/fig4/ RLN (nih.gov)].<ref name=pmid23984160>{{Cite journal | last1 = Chhakchhuak | first1 = CL. | last2 = Khosravi | first2 = M. | last3 = Lohr | first3 = KM. | title = Role of (18)F-FDG PET Scan in Rheumatoid Lung Nodule: Case Report and Review of the Literature. | journal = Case Rep Rheumatol | volume = 2013 | issue = | pages = 621340 | month = | year = 2013 | doi = 10.1155/2013/621340 | PMID = 23984160 }}</ref>
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| ==Stains==
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| *[[ZN stain]] -ve for [[AFB]].
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| *[[GMS stain]] -ve for [[fungal organisms]].
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| ==See also==
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| *[[Medical lung disease]].
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| *[[Rheumatoid nodule]].
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| *[[Rheumatoid arthritis]].
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| ==References==
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| {{Reflist|1}}
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| [[Category:Diagnosis]]
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