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| =Other benign= | | =Other benign= |
| ==Vocal cord nodule== | | ==Vocal cord nodule== |
| ===General===
| |
| *Benign.
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| *[[AKA]] ''singer's nodule''. | | *[[AKA]] ''singer's nodule''. |
| *Etiology: overuse, mechanical trauma (?). | | *[[AKA]] ''vocal cord polyp''. |
| | | {{Main|Vocal cord nodule}} |
| ===Microscopic===
| |
| Features:<ref>URL: [http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970310-2 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970310-2]. Accessed on: 4 February 2011.</ref>
| |
| *Early:
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| *#Edema.
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| *#Fibroblasts proliferation.
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| *Late:
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| *#Subepithelial hyaline / stromal hyaline.
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| *#Blood vessels - dilated.
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| | |
| Notes:
| |
| *No inflammation.
| |
| | |
| DDx:<ref>{{Ref HaNP|9}}</ref>
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| *[[Amyloidosis]].
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| *[[Granular cell tumour]].
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| *Spindle cell [[squamous cell carcinoma of the head and neck|squamous cell carcinoma]].
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| *Myxoma.
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| *Ductal-type cyst.
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| | |
| Images:
| |
| *[http://commons.wikimedia.org/wiki/File:Laryngeal_nodule_(1).jpg?uselang=en Laryngeal nodule - low mag. (WC)].
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| *[http://commons.wikimedia.org/wiki/File:Laryngeal_nodule_(2).jpg?uselang=en Laryngeal nodule (WC)].
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| | |
| ===Sign out===
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| <pre>
| |
| VOCAL CORD LESION, EXCISION:
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| - STRATIFIED SQUAMOUS EPITHELIUM WITH PARAKERATOSIS AND SUBEPITHELIAL
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| HYALINE MATERIAL, CONSISTENT WITH WITH VOCAL CORD NODULE OR POLYP.
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| - NEGATIVE FOR MALIGNANCY.
| |
| </pre>
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|
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| ==Squamous papilloma== | | ==Squamous papilloma== |