Table 2:

rMEC surgical location findings and MR imaging correspondence

Anatomic LocationNo.aPREVUD ExactFD ExactUD ReliabFD Reliab
Epitympanic recess1883%94%100%83%97%
Posterior epitympanic recess1878%100%100%92%100%
Aditus of mastoid antrum1872%72%100%72%94%
Tegmen antri1867%67%100%64%97%
Anterior epitympanic recess1867%67%100%83%83%
Tegmen tympani1861%83%100%81%94%
Mastoidectomy cavity1856%78%100%89%94%
Facial nerve: tympanic segment1844%67%100%64%89%
Promontory of tympanic cavity1833%94%100%86%97%
Oval window/stapes1833%83%100%83%97%
Mesotympanum1828%72%100%69%100%
Vestibule1822%78%100%97%89%
Facial nerve: second genu1822%83%100%81%97%
Sinus tympani1817%83%94%86%97%
Eustachian tube1811%89%100%86%100%
Dura mater1811%89%100%94%94%
Round window186%83%100%78%100%
Carotid canal186%94%100%94%97%
Facial nerve: geniculum186%89%100%83%97%
Cochlea180%100%100%100%100%
Temporal lobe180%100%100%97%100%
Facial nerve: mastoid segment180%100%100%94%100%
  • Note:—PREV indicates surgical prevalence; Exact, correctly identified and correctly rejected findings (ie, true-positive + true-negative considering surgical findings as the criterion standard); Reliab, reliability score.

  • a Number of lesions.