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[The adenoid cystic carcinoma].

The adenoid cystic carcinoma arising in the external auditory canal is a rare tumor, as other malignant neoplasias of the EAC and middle ear. The early diagnosis of these malignant tumors of the ear is very important to improve the prognosis. In this sense, the clinic experience is frequently the most useful diagnosis instrument to suspect this pathology when we have a confrontation with chronic otorrea and otalgia, common presentation form of this disease. In this report we show a new case of adenoid cystic carcinoma of external auditory canal and review the most significant medical literature existing in relationship with this pathology.