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Coronal temporal bone CT view of complete right middle ear and external auditory canal opacification along with evidence of scutum erosion (line arrow), thinning of tegmen tympani (below triangle), and ossicular erosion (arrow)
Source publication
A glomus tympanicum with chronic infectious otorrhea should have a lower threshold for surgical exploration as an occult cholesteatoma may be present in a location difficult to diagnose without performing a tympanomastoidectomy. A glomus tympanicum with chronic infectious otorrhea should have a lower threshold for surgical exploration as an occult...
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Introduction:
Generally, glomus tumors are considered tumors of the autonomic system arising from chromaffin cells of the parasympathetic paraganglia of the skull base and neck. Glomus tympanicum is the most common primary tumor of the middle ear cavity and it arises from the paraganglia of the middle ear.
Case report:
We present a case of glomu...
Citations
... Glomus tumors are classi ied into types depending on where they begin to grow: tympanicum, jugulare, glomus vagale, or carotid body. In this article, we just discuss glomus tympanicum [2][3][4]. It is a highly vascular, benign, and locally invasive tumor of the middle ear usually originating along the tympanic (Jacobson's) or auricular (Arnold's) nerve. ...
Glomus tympanicum (GT) is a highly vascular, benign, and slow-growing tumor of the middle ear. It can be confused with other common ear diseases such as acute middle ear infection, otitis media with effusion, ear trauma… It is accurately diagnosed by history and endoscopy. CT scan showing: the presence of eroding jugular bulb is the most important thing to distinguish glomus tympanicum and glomus jugulare and assess the extension of the tumor to make good surgical planning. We present here the three cases in Can Tho ENT hospital: where total excisions were achieved trans-canal endoscopically without embolization. These procedures were safe, quick, and effective due to the better visualization of the surgical field with the endoscope.
Synchronous presentation of cholesteatoma and tympanomastoid paraganglioma is extremely rare. Due to the overlapping clinical features, the clinical diagnosis of coexistence is difficult. Only two cases of tympanomastoid paraganglioma coexisting with middle ear cholesteatoma have been reported in the literature, but simultaneous presentation of primary external auditory canal cholesteatoma and tympanomastoid paraganglioma has not been reported till date. Coexistence of external auditory canal cholesteatoma and paraganglioma is an incidental diagnosis in this current case. The advancement of imaging techniques could help the diagnosis of this very rare clinical coexistence in preoperative assessment.
