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

October 31, 2012
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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.


Metastases to the external auditory canal (EAC) are uncommon. We report a case of a small-cell lung cancer that spread to the EAC. To the best of our knowledge, this is the first report of its kind.

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