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Table 5 Extensions of the EECC into adjacent structures*

From: Cholesteatoma of the external ear canal: etiological factors, symptoms and clinical findings in a series of 48 cases

 

TM joint§

Mastoid

Middle ear

Tegmen

NVII erosion

Atticus

Antrum

No extension

Owen et al. 2006†

11 (23)

6 (13)

3 (6)

0

1 (2)

1 (2)

1 (2)

30 (63)

Heilbrun et al. 200314#

0

4 (31)

5 (38)

1 (8)

2 (15)

-

-

-

  1. * Number of cases (percentages)
  2. † N = 48
  3. # N = 13
  4. §TM joint = temporomandibular joint