4.5 Article

De Novo Granuloma of the Membranous Vocal Fold: A Marker of Occult Malignancy

Journal

OTOLARYNGOLOGY-HEAD AND NECK SURGERY
Volume -, Issue -, Pages -

Publisher

WILEY
DOI: 10.1002/ohn.570

Keywords

granulation; granuloma; laryngeal cancer; vocal folds

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The occurrence of de novo granulomas on the membranous vocal fold is an atypical condition that may indicate a risk of hidden malignancy. Close long-term clinical surveillance and low threshold for biopsy should be prompted if new granulomas are found in this area.
Objective. De novo occurrence of granuloma (granulation tissue) on the membranous vocal fold is not readily explained by usual causes of granuloma at the vocal process. We describe a series of patients.Study Design. Case series.Setting. Single academic institution.Methods. Cases were identified over a 16-year period. All patients exhibited granulation tissue on pathology. Demographic details, presentation, treatment, histology, and clinical outcomes were recorded.Results. Five patients (mean age: 74.0 +/- 6.1 years, 40.0% male, 40.0% former smokers) underwent a biopsy. Persistent or recurrent granulation led to a second biopsy in 4 patients an average of 1423.5 days later, revealing a new diagnosis of squamous cell carcinoma (SCC) in situ in one and mild dysplasia in another. Further persistence or recurrence led to a third biopsy or excision an average of 302.3 days later in 3 patients, demonstrating SCC in situ in 1. An average of 2.5 biopsies were required with a mean time to SCC in situ diagnosis of 919.5 days from presentation. Two patients continued to demonstrate persistent granulation tissue on histology.Conclusion. The membranous vocal fold is an atypical location for granuloma and portends a risk of occult malignancy. The occurrence of de novo granuloma at this site should prompt close long-term clinical surveillance with a low threshold for biopsy. Consideration should be given to tissue collection in the operating room to adequately sample the lesion's base. Concern should persist even after a negative biopsy, and serial observation with repeat biopsy as needed should be pursued.

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