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Clinical Note |

Ceruminous Adenocarcinoma With Extensive Parotid, Cervical, and Distant Metastases Case Report and Review of Literature

Jih-Chuan Jan, MD; Ching-Ping Wang, MD; Po-Cheung Kwan, MD; Shang-Heng Wu, MD; Hwei-Fan Shu, MD
Arch Otolaryngol Head Neck Surg. 2008;134(6):663-666. doi:10.1001/archotol.134.6.663.
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In general, tumors of the external auditory canal (EAC) are quite uncommon, and glandular tumors comprise only a minority of these tumors. Tumors of the ceruminous gland are infrequent in the EAC. Ceruminous adenocarcinoma is a malignant subtype of ceruminous gland neoplasm,1 which is an exceedingly rare malignant tumor of the EAC. The true incidence and biological behavior of these tumors is still obscure, owing not only to the rarity of these tumors but also to ambiguous tumor nomenclature. The dearth of knowledge about this disease entity leads to difficulty in establishing the formulation of definitive treatment plans.

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Figure 1.

Axial computed tomographic scan revealing a 5 × 6-mm2 mass over the left external ear canal.

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Figure 2.

External auditory canal (EAC) tumor, low-power view. The tumor was mainly situated in the subepithelium with bulging into the EAC. Note the normal glandular structure in the upper left-hand corner (hematoxylin-eosin, original magnification ×10).

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Figure 3.

Malignant cell exhibiting cellular atypia, nuclear pleomorphism, and eosinophilic cytoplasm. The tumor cells were arranged in an irregular glandular pattern (hematoxylin-eosin, original magnification ×400).

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Figure 4.

Axial computed tomographic scan showing multiple ringlike enhancing nodular lesions with a central low density over the left parotid gland (thick arrows) and multiple enlarged lymph nodes with central necrosis over the carotid space and posterior triangle of the left neck (thin arrows).

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