Service d'ORL et de chirurgie cervico-faciale, hôpital d'instruction des armées Sainte-Anne, boulevard Sainte-Anne, BP 600, 83800 Toulon Naval, France
DescriptionMr. M., 36 years old, with no medical history, presented to our outpatients department with pharyngeal discomfort and a foreign body sensation present for several weeks with no deterioration of his general state of health.Clinical examination revealed high dysphagia to solids and liquids with several episodes of aspiration, but no associated dysphonia or dyspnoea. Neck palpation did not reveal any abnormality.Fiberoptic nasolaryngoscopy revealed a supraglottic, submucosal, rounded mass with regular margins, arising at the expense of the left aryepiglottic fold and protruding into the ipsilateral pyriform sinus. The mucosa in contact with the mass appeared to be healthy and laryngeal mobility was preserved. (D. Rivière).Contrast-enhanced computed tomography of the neck and MRI of the pharyngolarynx were performed (Fig. 1a).Endoscopic laser resection was performed for diagnostic purposes.The operative specimen was sent for histological examination. The histological section (HES ×25) is presented in Fig. 1b.
Questions• What is your radiological interpretation?• What is your differential diagnosis?• What does the histological examination reveal and what is the final diagnosis?http://dx.