Abstract
We present a case of the transcanal endoscopic resection of a glomus tympanicum tumor. A 51-year-old woman presented with pulsatile tinnitus of the right ear persisting for 6 months. A reddish mass was observed through her tympanic membrane. A computed tomography scan revealed a small mass in the mesotympanum. She was diagnosed with a right-sided glomus tympanicum tumor. The glomus tympanicum tumor was classified as type 1 using the Glasscock–Jackson classification, class A using the Fisch classification, and class A1 using the modified Fisch and Mattox classification. The tumor was transcanally and completely resected by endoscopy without any complication. Before and after the surgery, pure-tone audiometry showed a normal hearing level. Preoperative right-sided pulsatile tinnitus resolved after the surgery. Transcanal endoscopic ear surgery is a favorable surgical method for small localized glomus tympanicum tumors.
Highlights
Glomus tumors are rare neuroendocrine tumors arising paraganglionic cells throughout the body
Complete surgical resection is a common treatment. ere are various approaches and strategies: transcanal approach, postauricular approach, canal wall-up mastoidectomy with posterior tympanotomy, canal wall-up mastoidectomy with posterior tympanotomy and subfacial recess tympanotomy, and subtotal petrosectomy with middle ear obliteration [2, 3]. ese surgeries may be adopted depending on the type, size, and site of the tumor; patient’s conditions; and surgeon’s skills. ese surgeries have been commonly performed under microscopy
E tumor was localized on the promontory; it was classified as type 1 using the Glasscock–Jackson classification [2], class A using the Fisch classification [5], and class A1 using the modified Fisch and Mattox classification [3]
Summary
We present a case of the transcanal endoscopic resection of a glomus tympanicum tumor. A 51-year-old woman presented with pulsatile tinnitus of the right ear persisting for 6 months. A reddish mass was observed through her tympanic membrane. A computed tomography scan revealed a small mass in the mesotympanum. She was diagnosed with a right-sided glomus tympanicum tumor. E glomus tympanicum tumor was classified as type 1 using the Glasscock–Jackson classification, class A using the Fisch classification, and class A1 using the modified Fisch and Mattox classification. E tumor was transcanally and completely resected by endoscopy without any complication. Preoperative right-sided pulsatile tinnitus resolved after the surgery. Transcanal endoscopic ear surgery is a favorable surgical method for small localized glomus tympanicum tumors
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