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  • Author: Ruchi Srivastava x
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Ruchi Srivastava, Neelam Wadhwa, Shikha Gupta and Urvashi Razdan

Abstract

The nose is an uncommon site for head and neck paraganglioma. The diagnosis is seldom established pre-operatively; its rarity, infrequent functionality and often benign biologic outcome underlie this fact. We present one such case in a 60-year-old man who presented with right nasal obstruction and episodic epistaxis. Rhinoscopy revealed a fleshy polypoid mass arising from the anterior cartilaginous nasal septum. Imaging studies excluded extra-nasal extension. The tumor was highly vascular showing numerous variable sized, mostly thin walled branching blood vessels akin to stag-horn shape simulating a vascular neoplasm. There were large areas of hyalinization. The typical tumor morphology was discernible only in focal areas. Immuno-histochemistry confirmed the diagnosis. The tumor cells expressed neuron specific enolase; S-100 stain demonstrated a vague zell-ballen pattern. Paraganglioma is a rare histologic diagnosis in nasal polypectomy specimen. We discuss the approach to exclude its morphologic mimics including vascular tumors.