Introduction: Arytenoid granulomas are benign exophytic inflammatory lesions that are found in the posterior glottis. This study aims to address the two presentations of arytenoid granuloma, namely process granuloma (PG) and body granuloma (BG), and to study the etiological factors behind each of these and thereby provide better understanding of the treatment of these two forms.
Materials and methods: Descriptive study was performed by analyzing the videolaryngoscopic (VLS) recordings of 80 patients presenting with arytenoid granuloma. The demographic and clinical characteristics were also analyzed.
Results: Arytenoid granulomas exhibited a male predominance with male: female ratio being 3.7:1. A total of 73 patients (91.25%) had unilateral granuloma, whereas seven patients (8.75%) had bilateral granuloma. Of the unilateral granulomas, 46 (57.5%) patients presented with left-sided granuloma, and 27 (33.8%) presented with right-side granuloma. The subtype of process granuloma (PG) was seen in 43 patients (53.75%) and BG in 37 patients (46.25%). PG is the commonest type of granuloma in males, and BG is the commonest type of granuloma in females. The association of process granuloma with inter arytenoid pachydermia was statistically significant but not BG. All cases of vocal cord paralysis in our series had BG. The majority of vocal cord paralysis (42.8%) cases with arytenoid granuloma showed severe overriding of arytenoid cartilage on the normal side.
Conclusion: Identifying the two subgroups of arytenoid granuloma, namely process and BG, is imperative as they guide the proper management of arytenoid granuloma.
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