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Figure 2 Endoscopic picture of middle ear structures: (a) with 0° lens directed to view the middle cavity from below upwards; (b) with 30° lens; (c) minimal curettage of posterosuperior external auditory canal; (d) chorda tympani nerve is freed and displaced upward. F, facial nerve; in, incus; M, malleus; P, promontory; Py, pyramid; S, stapes; T, stapedial tendon. |
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