Sinonasal inverting papilloma is a rare benign, locally aggressive tumour, arising from sinus and/or nasal fossa mucosa, with high recurrence rate, and risk of malignant transformation. This is a case of orbital invasive, lateral extending inverting papilloma approached via combined external and endoscopic surgery.
Keywords: Endonasal endoscopic surgery; Frontal sinus; Inverting papilloma; Sub-brow orbitotomy.
© Association of Otolaryngologists of India 2021.