비중격에 발생한 저등급 비창자형 선암종 1예
Low-Grade Nonintestinal Sinonasal Adenocarcinoma Originating from Nasal Septum : A Case Report
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Adenocarcinoma is the third most common mucosal malignancy found in sinonasal tract, after squamous cell carcinoma and adenoid cystic carcinoma, and represents approximately 15% of all sinonasal cancers. The 2005 World Health Organization (WHO) classification of sinonasal adenocarcinoma (SNAC) includes 2 categories : salivary- and nonsalivary-type SNACs. Nonsalivary types are classified into intestinal type SNAC (ITAC) and non-intestinal type SNAC (non-ITAC), each of which is separated into low- and high-grade categories. Low-grade non-ITAC can arise in the sinonasal tract ; the nasal cavity is the mostly afftected, followed by the ethmoid and maxillary sinuses. Over recent years, little doubt remains that low-grade non-ITAC represents a separate entity based on morphology, ultrastructural features, and behavior. There was no report about low-grade non-ITAC arising from nasal septum in South Korea. We performed successful endoscopic excision of this rare case, and so present it with literature review.
Abstract
Adenocarcinoma is the third most common mucosal malignancy found in sinonasal tract, after squamous cell carcinoma and adenoid cystic carcinoma, and represents approximately 15% of all sinonasal cancers. The 2005 World Health Organization (WHO) classification of sinonasal adenocarcinoma (SNAC) includes 2 categories : salivary- and nonsalivary-type SNACs. Nonsalivary types are classified into intestinal type SNAC (ITAC) and non-intestinal type SNAC (non-ITAC), each of which is separated into low- and high-grade categories. Low-grade non-ITAC can arise in the sinonasal tract ; the nasal cavity is the mostly afftected, followed by the ethmoid and maxillary sinuses. Over recent years, little doubt remains that low-grade non-ITAC represents a separate entity based on morphology, ultrastructural features, and behavior. There was no report about low-grade non-ITAC arising from nasal septum in South Korea. We performed successful endoscopic excision of this rare case, and so present it with literature review.
참고문헌 (11)
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