Recurrent High-Grade Invasive Mucoepidermoid Carcinoma of Larynx: A Case Report and Review of the Literature.

Recurrent High-Grade Invasive Mucoepidermoid Carcinoma of Larynx: A Case Report and Review of the Literature.

Rare Tumors. 2016 Jun 28;8(2):6204

Authors: King W, Ko S, Miller D

Abstract
Recurrent invasive high-grade mucoepidermoid carcinoma of the larynx and hypopharynx is a rare occurrence. These tumors have been commonly associated with salivary gland tumors, most commonly the parotid gland. The patient usually presents with the following symptoms: hoarseness (if larynx is involved), or changes in voice character, sore throat, cough, odynophagia, dysphagia, otalgia, difficulty breathing, weight loss, lymphadenopathy. Here we present a case of a recurrent invasive high-grade mucoepidermoid carcinoma of larynx and hypopharynx. The patient was a 67-year-old male that originally presented in 2006. At that time he underwent a wide field laryngectomy, right thyroid lobectomy, and biopsy of the right digastric node. He was a clinical stage III, pT3N0M0. No adjuvant radiation therapy was given at that time. The patient remained asymptomatic until February 2014, when he presented with dysphagia and neck swelling. Positron emission tomography/computed tomography showed evidence of recurrence. The patient was treated with definitive intensity modulated radiation therapy (IMRT) with concurrent chemotherapy. Treatment for this disease is gathered by scattered case reports. If surgery is a possibility it is considered as first line therapy. Post-surgical radiation is then offered. However, in this case the recurrent tumor was located near the carotid artery, and thus surgery was not a possibility. Therefore, concurrent chemotherapy and radiation with IMRT and weekly cis-platinum was given. While the optimum combination of treatment has not yet been established because of the rarity of this cancer's location site, the current patient appeared to have an excellent response from the definitive IMRT and chemotherapy treatment.

PMID: 27441076 [PubMed]

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