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Difference between revisions of "Lung bleb"
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'''Lung blebs''', also '''pulmonary | '''Lung blebs''', also '''pulmonary blebs''', are benign cystic [[lung]] lesions.<ref>{{Cite journal | last1 = Ryu | first1 = JH. | last2 = Swensen | first2 = SJ. | title = Cystic and cavitary lung diseases: focal and diffuse. | journal = Mayo Clin Proc | volume = 78 | issue = 6 | pages = 744-52 | month = Jun | year = 2003 | doi = 10.4065/78.6.744 | PMID = 12934786 }}</ref> | ||
==General== | ==General== | ||
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BLEBS, APEX OF THE LEFT LUNG, WEDGE RESECTION: | BLEBS, APEX OF THE LEFT LUNG, WEDGE RESECTION: | ||
- BENIGN LUNG BLEBS. | - BENIGN LUNG BLEBS. | ||
- | - ABUNDANT PIGMENTED AIRSPACE MACROPHAGES. | ||
- NEGATIVE FOR MALIGNANCY. | - NEGATIVE FOR MALIGNANCY. | ||
</pre> | </pre> | ||
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===Micro=== | ===Micro=== | ||
The sections show peripheral lung with large dilated air spaces, surrounded by thin walls | The sections show peripheral lung with large dilated air spaces, surrounded by thin walls | ||
and lined by respiratory-type epithelium. | and lined by respiratory-type epithelium. Pigmented airspace macrophages are increased | ||
fibrous pleural thickening is present. No significant inflammation is present. No | (smoker's macrophages). Focal fibrous pleural thickening is present. No significant | ||
interstitial fibrosis is present. | inflammation is present. No interstitial fibrosis is present. | ||
==References== | ==References== | ||