Mansour Nacouzi, Rayan El-Amine, Rita Sakr, Sandrine Yazbeck and Ziad Rohayem
Cystic lesions are very common in the body, in particular in the ENT field. However, reports of cysts involving the Eustachian tube are very rare. We present in this report a case of a 49-years-old man who presented for unilateral chronic otitis media with effusion. A rigid endoscopy was done revealing no nasopharyngeal mass. An MRI showed the presence of a cystic lesion in the cartilaginous portion of the left Eustachian tube measuring 10 × 6 mm. The decision was made to do a left myringotomy with a PE tube insertion, followed by an endoscopic endonasal marsupialisation of the cyst. The cyst was sent to pathology. The pathologist confirmed the presence of a cyst with absence of signs of malignancy. In this article we will review the literature concerning Eustachian tube benign tumors; in particularly benign cysts, and we will discuss the pathology, symptoms, treatment and outcome.
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