Ever since Clausen1 first described the condition it has been accepted that granulomatous polyp of the larynx is always a sequel of endotracheal anesthesia.
In a recent paper2 it was pointed out that this lesion occurs only in adults and is always the result of trauma. It may occur on one or both vocal cords, and is always found in the same location, on the medial aspect of the vocal process of the arytenoid cartilage. The one prerequisite for the Production of this lesion is injury to the tightly drawn mucoperichondrium in this region. In its early phase, the polyp is always infected, so that the histopathological picture is that of a pyogenic granuloma. At first it is of pale color and measures 5 to 9 mm. in diameter. Within a few days the epithelization of the adjacent structures begins to cover the tumor mass, while its stroma
MYERSON MC. Granulomatous Polyp of the Larynx Following Direct Laryngoscopy. AMA Arch Otolaryngol. 1956;64(6):464–465. doi:10.1001/archotol.1956.03830180014003
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