Aggressive adult laryngeal hemangiomas may require laryngectomy, with enlargement driven by vascular dilatation rather than neoplastic proliferation.
May inform histopathology of rare adult supraglottic hemangiomas; leaves open whether mechanism affects laryngectomy decisions.
Recent literature shows that hemangioma in the adult larynx is a rare lesion, sometimes misdiagnosed. It mainly occurs in the supraglottic region. Aggressive laryngeal hemangiomas have been reported, and in this instance, a laryngectomy was found necessary to remove the tumor. Total organ serial section of the specimen showed that it was a cavernous hemangioma confined to the supraglottic region. Enlargement of the angioma was due to dilatation of the vascular spaces and canalization of fresh parts of an already existing malformation rather than to neoplastic proliferations.
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Bridger et al. (1970) studied this question.
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