Histology Course S IV 2 Department of Pathology, University of Zurich Histokurs

S IV 2 teleangiectatic polyp of the vocal cord HE  
  ICD-10: J38.1

45-year-old male, hoarse voice, irritable cough, laryngoscopy shows nodules on vocal cords. Excision.

Macroscopically: a lucent grey round "tumour" localised especially at the junction between first and second third of the vocal cord, occasionally bilateral.

- One or more polypoid mucosal fragments covered by squamous epithelium
- Oedematous or myxomatous stroma, fibrinoid swelling, fresh bleeding and bleeding residues (siderophages)
- Fibrotic areas
- Numerous vessels partly dilated forming thin-walled cavities; in later stages increased thickening of the wall
- Inflammatory infiltrates
Pathogenesis: excessive mechanical straining of vocal cords.

Mechanische Überbelastung der Stimmlippen.