Angiolymphoid hyperplasia with eosinophilia (epithelioid hemangioma) of the external auditory canal, an unusual presentation in an adult female: a case report

Abstract

Introduction: Angiolymphoid hyperplasia with eosinophilia (ALHE) is a rare entity that usually occurs as 0.5–3 cm, pink-to-brown nodules on the skin surface and subcutaneous tissues of the head and neck (Al-Muharraqi MA, Faqi MK, Uddin F, Ladak K, Darwish A. Angiolymphoid hyperplasia with eosinophilia (epithelioid hemangioma) of the face: an unusual presentation. Int J Surg Case Rep 2011;2:258–60.; Suzuki H, Hatamochi A, Horie M, Suzuki T, Yamazaki S. A case of angiolymphoid hyperplasia with eosinophilia (ALHE) of the upper lip. J Dermatol 2005; 32:991–5.). Case presentation: A 29-year-old woman presented to our ENT (ear-nose-throat) clinic with multiple, small reddish to pinkish nodules of approximately 1 × 2 cm² in dimension. A biopsy from the surface of the left external auditory canal skin, where she had severe itching, showed features consistent with Angiolymphoid hyperplasia with eosinophilia ALHE. Discussion: Whether angiolymphoid hyperplasia with an eosinophilia etiology is a neoplastic or atopic hypersensitivity reaction (unusual reactive process) is controversial. The definitive treatment is surgical excision and follow-up (Al-Muharraqi MA, Faqi MK, Uddin F, Ladak K, Darwish A Angiolymphoid hyperplasia with eosinophilia (epithelioid hemangioma) of the face: An unusual presentation. Int J Surg Case Rep 2011;2:258–60.; Barnes L, editor. Surgical Pathology of the Head and Neck. 3rd edn. New York: Marcel Decker; 2001.). Conclusion: Although ALHE of <3 cm has been rarely reported in the literature, it should be considered in the differential diagnosis of large subcutaneous tumors of the head and neck.

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