Professional Education Professional Education
奥林巴斯医疗官网 奥林巴斯医疗综合
了解奥林巴斯医疗产品相关的综合信息。
奥林巴斯智慧医疗手机版 奥林巴斯医疗产品及手技相关
了解奥林巴斯内镜产品、手技等方面的专业知识和临床信息。
添加到浏览记录

Superficial squamous cell carcinoma in the left pyriform sinus

Kenji Okami, MD, PhD
Professor,
Department of Otolaryngology,
Tokai University, Japan

Endoscopic Finding;


White light image demonstrate a small mucosal nodule in the left pyriform sinus. This is not the specific findings of malignancy. However, NBI image exhibited a well-demarcated brownish area with irregularly scattered vascular proliferation pattern on and around the nodule, which is the specific sign of the superficial cancer of the hypopharynx.

White Light Image
Equipment: OTV-S190, CLV-S190, ENF-VH

NBI Image

Pathological Finding;

Superficial squamous cell carcinoma with focally invading into the subepithelial layer. There was no muscular invasion. Tumor size was 12 mm in the greatest dimension and 2 mm in the thickness.

Both horizontal margin and vertical margin were negative.

Pathological Images(macro)

Pathological Images(micro)
Content Type