[Retracted] Clinical Analysis of 85 Cases of External Auditory Canal Cholesteatoma Surgery under Specialized Endoscopy

Figure 2

Excision of external auditory canal cholesteatoma in patients with EACC stage II. Note: (a) CT in patients with EACC stage II revealed destruction of the bone wall of the external auditory canal and no involvement of the middle ear; (b) cerumen and white cholesteatoma epithelium in the external auditory canal were observed under an otoendoscope; (c) ear endoscopy after external auditory canal cholesteatoma removal surgery in patients shows intact and thin tympanic membrane and enlargement of the bone wall of the external auditory canal.

(a)

(b)

(c)