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Difference between revisions of "Lung bleb"
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'''Lung | [[Image:Lung bleb -- extremely low mag.jpg|thumb|right|Lung bleb. [[H&E stain]].]] | ||
'''Lung bleb''', also '''pulmonary bleb''', are benign cystic [[lung]] lesions.<ref name=pmid12934786>{{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> | |||
''Lung bulla'' and ''lung bullae'' redirect to this article. | |||
==General== | ==General== | ||
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*[[Emphysema]]. | *[[Emphysema]]. | ||
*[[Lymphangioleiomyomatosis]] (LAM). | *[[Lymphangioleiomyomatosis]] (LAM). | ||
===Images=== | |||
<gallery> | |||
Image:Lung bleb -- extremely low mag.jpg | Lung bleb - extremely low mag. (WC) | |||
</gallery> | |||
==Sign out== | ==Sign out== | ||
<pre> | |||
Lung, Left Upper Lobe, Lobectomy: | |||
- SQUAMOUS CELL CARCINOMA. | |||
-- Margins clear. | |||
-- See tumour summary. | |||
- Two lymph nodes NEGATIVE for malignancy (0/2). | |||
- Emphysematous changes and bullous disease/belbs. | |||
</pre> | |||
Note: | |||
*Using "bullous disease/belbs" skates around the size criteria that differentiates ''belbs'' from ''bullae''. | |||
===Block letters=== | |||
<pre> | <pre> | ||
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. | ||
==See also== | |||
*[[Birt–Hogg–Dubé syndrome]]. | |||
==References== | ==References== | ||