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Through a myringotomy incision, a diagnostic examination of the middle ear can be carried out to rule out perilymphatic fistula, identify cholesteatoma, or assess the condition of the ossicular chain. Endoscopes can be utilized during chronic ear surgery to find concealed cholesteatoma in hard-to-see places such as the Eustachian tube, attic, sinus tympani, and behind an unbroken posterior canal wall. Endoscopes are used to check for any remaining tumor in the lateral aspect of the Internal Auditory Canal (IAC) after acoustic neuroma surgery, where hearing preservation is a goal. Endoscopes are utilized during vestibular neurectomy to observe the IAC and to aid locate the cochleovestibular cleavage plane. When patients with upper gastrointestinal tract bleeding were referred to the gastrointestinal service of a big general hospital, the early endoscopic results were examined. A total of 106 individuals underwent 111 endoscopies. In 56 (50·3%) cases, a source of active or recent bleeding was revealed; in 38% of these, a second non-bleeding lesion was discovered. Identification of the bleeding site was successful 78% of the time within 24 hours of admission but just 32% of the time after 48 hours. Compared to patients alone, patients with hematemesis were admitted to the hospital earlier and had endoscopies more promptly. This is likely what caused the differnce.
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