Well-differentiated, pedunculated liposarcoma of the hypopharynx

Publication date: Available online 29 July 2017
Source:European Annals of Otorhinolaryngology, Head and Neck Diseases
Author(s): C. Eyermann, T. Raguin, P. Hemar, C. Debry
IntroductionLiposarcoma of the hypopharynx is extremely rare, as only 28 cases have been reported in the literature. The cardinal symptom of liposarcoma is progressively worsening dysphagia.Case reportThe authors report the case of a 71-year-old man who presented with dysphagia, marked weight loss over several weeks and an episode of exteriorization of a solid mass from the mouth during an episode of vomiting. Imaging revealed a fat density intra-oesophageal mass. Panendoscopy and upper gastrointestinal endoscopy visualized the pedunculated tumour in the left piriform sinus, which was able to be exteriorized via the mouth. The tumour was then resected endoscopically at its hypopharyngeal insertion pedicle. Histological examination of the operative specimen concluded on well-differentiated benign liposarcoma.DiscussionWell-differentiated liposarcoma is the most common form of liposarcoma, but is only exceptionally reported in the hypopharynx. The main symptoms are related to compression of adjacent structures. Imaging findings are nonspecific. Only histological examination can distinguish liposarcoma from other benign oesophageal tumours. Standard treatment consists of wide, complete resection, which is not always possible in the neck. Long-term follow-up of these patients is essential in order to rapidly detect recurrence.



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