Superficial squamous cell carcinoma in the left pyriform sinus
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.
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.
- Content Type