Copyright 2009 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2009
Sinonasal malignant tumors constitute less than 1% of all neoplasms and approximately 3% of those of the upper aerodigestive tract.1 Sinonasal malignant neoplasms most commonly affect the maxillary sinuses (approximately 60%), followed by the nasal cavity (approximately 22%), ethmoidal sinus (approximately 15%), and frontal and sphenoid sinuses (<3%).1 Sinonasal neoplasms are diverse, with most being squamous cell carcinoma or variants (55%), followed by nonepithelial neoplasms (20%), glandular tumors (15%), undifferentiated carcinoma (7%), and miscellaneous tumors (3%).1 We describe an exceedingly unusual case of ethmoidal lipid-rich carcinoma with focal glandular structures. To our knowledge, such a case has not been documented in the literature to date.
Oshiro H, Nagao J, Nagashima Y, Taguchi T, Yamanaka S, Inayama Y. Ethmoidal Lipid-Rich Carcinoma With Focal Glandular Structures. Arch Otolaryngol Head Neck Surg. 2009;135(5):511–514. doi:10.1001/archoto.2009.27
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