Squamous Carcinoma of Pyriform Sinus

Squamous Carcinoma of Pyriform Sinus • Portion of larynx opened from posterior side. • The lumen of the larynx is markedly narrowed. White arrows show the path of air through the lumen. • Epiglottis (black arrow) is distorted by neoplasm. • Enormous granular neoplasm highlighted by yellow arrows fills right pyriform sinus. • Lymph nodes containing neoplasm (blue arrow) press on left pyriform sinus. (Description By:Melinda Sanders, M.D. ) (Image Contrib. by:Melinda Sanders, M.D. UCHC )