Adenocarcinoma of Middle Ear
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These are rare tumors arising from the middle ear mucosa. They may be primary glandular lesions or metastatic from distant sites.
These are very rare tumors that may or may not develop on top of previous chronic otitis media (Schmoldt et al. 1990; Morita et al. 1994). Metastatic adenocarcinomas have also been described from the stomach, colon, lung, prostate, breast, vagina, and other sites (Marques et al. 2002; Hosokawa et al. 2007; Chang et al. 2009; Owers et al. 2010).
Patients may variably present with a friable bleeding mass in the external auditory meatus, erosion of the mastoid bone, and various neurotological signs and symptoms depending on the extent of invasion of the lesion. In some cases a vascular mass behind an intact tympanic membrane may mimic a paraganglioma. Diagnosis is usually delayed as the symptoms are usually confused with common infectious otological conditions. A history of persistent otorrhea (with or without...
- Hosokawa K, Mizuta S, Iwasaki S, Araki ST, Mineta H (2007) A rare case of metastasis to the temporal bone from prostate adenocarcinoma. Int J Head Neck Surg 1(2)Google Scholar
- Owers CE, Stewart DJ, Stone J, Kelty CJ (2010) Hearing loss as an unusual consequence of metastatic gastric adenocarcinoma. J Surg Case Rep 8:6Google Scholar