Cholesteatoma Surgery With a Dehiscent High Jugular Bulb Treated With Surgery Assisted With Underwater Endoscopy: A Case Report

Takata, Yusuke; Anzai, Takashi; Hara, Satoshi; Okada, Hiroko; Matsumoto, Fumihiko; Ikeda, Katsuhisa

doi:10.1177/01455613211009135

Cited by 2 publications

(2 citation statements)

References 18 publications

(29 reference statements)

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“… 12 , 13 This technique provides a clear operative field without the need for suction and also protects the inner ear and other important structures, including the JB, from unexpected aeration. 14 In cases of middle ear paragangliomas, significant bleeding can be experienced during surgery because of their vascular nature; thus, underwater endoscopy is appropriate for this case because of continuous blood and bone dust irrigation during suspicious bone drilling in the hypotympanum and around the ICA.…”

Section: Discussionmentioning

confidence: 99%

Combined underwater endoscopic and microscopic surgery for tympanic paraganglioma: A case report

Takata,

Anzai,

Sonoda

et al. 2024

Science Progress

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The resection of middle ear paragangliomas can be challenging given their vascular nature and the small volume of the tympanic cavity, particularly when the tumor in the hypotympanum is close or attached to the internal carotid artery (ICA). We performed combined underwater endoscopic and microscopic surgery for a Class B1 middle ear paraganglioma according to the modified Fisch classification. The suspicious bone in the hypotympanum and around the petrous ICA was drilled with underwater endoscopy. The feeding arteries, the caroticotympanic and inferior tympanic arteries, were suctioned and cauterized under microscopy. To the best of our knowledge, no case of middle ear paraganglioma treated with underwater endoscopy has been reported. Underwater endoscopy, providing a clear operative field with blood and bone dust irrigation, is a good indication for middle ear paragangliomas. In contrast, microscopic preparation for unexpected bleeding is important, particularly when the tumor closely extends to vital structures, such as the ICA or the jugular bulb.

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Section: Discussionmentioning

confidence: 99%

Combined underwater endoscopic and microscopic surgery for tympanic paraganglioma: A case report

Takata,

Anzai,

Sonoda

et al. 2024

Science Progress

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“…We have already reported the advantage of underwater ear surgery on cholesteatoma with a dehiscent high jugular bulb. 8 These underwater procedures kept a clear view by flushing out blood and dust (bone or tissue) from the operative site. Dähn et al reported the value of transcanal endoscopic surgery for external ear canal cholesteatoma up to Naim stage III.1 Our case was stage III external cholesteatoma placed on the middle posterior wall.…”

Section: Nishiike Et Al Reported a Novel Endoscopic Hydromastoidectomymentioning

confidence: 99%

Combined underwater endoscopic and microscopic surgery for external auditory canal cholesteatoma: A case report

et al. 2021

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Transcanal endoscopic ear surgery is a minimally invasive procedure that allows a clear visualization of the middle ear. Recently, indications for endoscopic surgery have been expanding. We performed combined underwater endoscopic and microscopic surgery for external auditory canal cholesteatoma, the computer tomography of which indicates the possibility of cholesteatoma not only in the canal wall but also in the mastoid. The 30° endoscope and underwater technique makes the surgical view clear, and we could remove the cholesteatoma without canalplasty. To the best of our knowledge, no case of external auditory canal cholesteatoma treated with underwater endoscopic and microscopic surgery has been previously reported. This case indicates that the procedure could be a good indication for external auditory canal cholesteatoma.

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Cholesteatoma Surgery With a Dehiscent High Jugular Bulb Treated With Surgery Assisted With Underwater Endoscopy: A Case Report

Cited by 2 publications

References 18 publications

Combined underwater endoscopic and microscopic surgery for tympanic paraganglioma: A case report

Combined underwater endoscopic and microscopic surgery for tympanic paraganglioma: A case report

Combined underwater endoscopic and microscopic surgery for external auditory canal cholesteatoma: A case report

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