Malignant Cylindroma of the External Auditory Canal

Abstract

OBJECTIVE: This report describes a case of a malignant cylindroma arising in the external auditory canal. STUDY DESIGN: Retrospective surgical case review. SETTING: Tertiary care teaching hospital. INTERVENTION: Wide local excision with margin control. RESULTS: Local control of disease at 2-year follow-up. CONCLUSION: To our knowledge, this is the first report describing a malignant degeneration of cylindroma in the external auditory canal. This tumor represents an extremely rare cutaneous neoplasm, thus raising diagnostic and therapeutic challenges.