Keywords
Adenoid Cystic; Recurrence; Metastasis; External Auditory Canal; Histomorphology
Abstract
Adenoid Cystic Carcinoma (ACC) is a slow growing neoplasm which often recurs within one to two decades after treatment. There are many subtypes of ACC, including cribriform, tubular, and solid forms, which have been found to correlate with overall prognosis as well as recurrence among patients with history of previously resected or treated ACC. Review of the existing literature shows that it is difficult to detect and control recurrence of ACC as most sites of metastasis do not show clinical signs or indications until the neoplasm has become increasingly advanced. Adenoid cystic carcinoma of the head and neck is usually found in the salivary glands, oral cavity, nasopharynx, and palate. There have been only a few reported cases of adenoid cystic carcinoma involving the External Auditory Canal (EAC). We present a case of ACC of the EAC along with a review and discussion of the literature to date.
Citation
Stantley L, Landon A, Reid L, Kaizer R, Andreadis A, et al. (2020) Lobular Carcinoma of the Breast Presenting as a Metastatic Melanoma to the Axilla: Report of a Case and Review of the Literature. JSM Clin Cytol Pathol 2: 3.