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Case report: Metastatic small-cell lung carcinoma of the external auditory canal

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November 1, 2012
by Moshe Hain, MD; Edit Feldberg, MD; and Doron Halperin, MD


We report the case of a 73-year-old man who developed metastatic small-cell lung cancer to the bony external auditory canal (EAC). The patient had only recently been diagnosed with his primary carcinoma. The metastasis presented as a bulky, fleshy, bleeding mass in the right EAC. Biopsy of the metastasis revealed that its histologic characteristics were identical to those of the primary. This case is of interest because this was a unique type of metastasis to the EAC. Although there are reports in the literature of lung cancer and even small-cell cancer metastasizing to the temporal bone, we could find no previously published report of a small-cell lung carcinoma metastasizing to the EAC.

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