Difference between revisions of "Vocal cord nodule"

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==General==
==General==
*Benign.
*Benign.
*[[AKA]] ''singer's nodule''.
*Etiology: overuse, mechanical trauma (?).
*Etiology: overuse, mechanical trauma (?).



Revision as of 17:08, 25 February 2014

Vocal cord nodule
Diagnosis in short

Laryngeal nodule

Synonyms singer's nodule
LM DDx amyloidosis, granular cell tumour, spindle cell squamous cell carcinoma, myxoma, ductal-type cyst
Site vocal cord - see head and neck pathology

Prevalence common
Prognosis benign

Vocal cord nodule, also vocal cord polyp and singer's nodule, is a benign pathology of the head and neck.

General

  • Benign.
  • Etiology: overuse, mechanical trauma (?).

Clinical:

Microscopic

Features:[2]

  • Early:
    1. Edema.
    2. Fibroblasts proliferation.
  • Late:
    1. Subepithelial hyaline / stromal hyaline.
    2. Blood vessels - dilated.

Notes:

  • No inflammation.

DDx:[3]

Images

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VOCAL CORD LESION, EXCISION:
- STRATIFIED SQUAMOUS EPITHELIUM WITH PARAKERATOSIS AND STROMAL EDEMA, CONSISTENT
  WITH BENIGN VOCAL CORD NODULE OR POLYP.
- NEGATIVE FOR MALIGNANCY.
VOCAL CORD LESION, EXCISION:
- STRATIFIED SQUAMOUS EPITHELIUM WITH PARAKERATOSIS AND SUBEPITHELIAL 
  HYALINE MATERIAL, CONSISTENT WITH WITH VOCAL CORD NODULE OR POLYP.
- NEGATIVE FOR MALIGNANCY.

See also

References

  1. Müller, R. (Nov 1995). "[Hoarseness].". Ther Umsch 52 (11): 759-62. PMID 7502253.
  2. URL: http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970310-2. Accessed on: 4 February 2011.
  3. Thompson, Lester D. R. (2006). Head and Neck Pathology: A Volume in Foundations in Diagnostic Pathology Series (1st ed.). Churchill Livingstone. pp. 9. ISBN 978-0443069604.
  4. Soylu, L.; Aydogan, B.; Tunali, N.; Ozsahinoglu, C. (Aug 1999). "Report of a rare case of vocal fold carcinoma that was obscured by a prominent vocal fold polyp.". Ear Nose Throat J 78 (8): 601-2. PMID 10485155.
  5. Abdou, AG.; Asaad, NY. (Oct 2012). "Rheumatoid nodule of the vocal cord.". Int J Surg Pathol 20 (5): 481-2. doi:10.1177/1066896912448426. PMID 22674917.