case_images: PMC2823598_01
case_images: PMC2823598_02
case_images: PMC2823598_03
case_images: Case No. 3 (A) Pretreatment stroboscopy revealed tumor involvement in the right AE fold, extending down into the right piriform sinus (B) Post-radiation - Only a small remnant of tumor remained after radiation and continued to be stable throughout follow-up.
case_images: 1758-3284-2-2-1.jpg
case_images: PMC2823598_03_1758-3284-2-2-1.jpg
case_images: F1
case_images: On flexible laryngoscopy, the patient had a right laryngeal mass emanating from the right false cord and extended to the aryepiglottic fold and epiglottis (Figure 1).
case_images: PMC2823598_04
case_images: Case No. 4 (A) A large laryngeal paraganglioma is noted in the left arytenoid area. (B) There is involvement of the laryngeal and lingual surfaces of the epiglottis.
case_images: 1758-3284-2-2-2.jpg
case_images: PMC2823598_04_1758-3284-2-2-2.jpg
case_images: F2
case_images: On laryngoscopy, the lesion extended from the posterior aspect of the left arytenoid to along the aryepiglottic fold and false vocal cord onto the epiglottis (Figure 2).
case_images: Case No. 4 - (A) Epiglottic extension (B) Tumor pushing the airway to the right (C) Near-total laryngeal obstruction (D) Extension of tumor is found in the left anterior subglottis.
case_images: 1758-3284-2-2-3.jpg
case_images: PMC2823598_04_1758-3284-2-2-3.jpg
case_images: F3
case_images: The left subglottic component of the tumor probably extended for about 3-5 mm below the level of the true vocal cord (Figure 3).
case_images: Case No. 4 (A) Overlying squamous epithelium with the tumor in the submucosa. The circular focus is a post-embolized vessel. (B) Higher power 400x - Zellballen nests of tumor cells with thin supporting sustenacular cells around each nest.
case_images: 1758-3284-2-2-4.jpg
case_images: PMC2823598_04_1758-3284-2-2-4.jpg
case_images: F4
case_images: This immunohistochemical profile substantiated the diagnosis of paraganglioma (Figure 4).