aditus ad antrum


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aditus ad antrum

The recess of the tympanic cavity that leads from the epitympanic recess to the tympanic antrum.
See also: aditus
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Radiological signs indicating cholesteatoma in the attic included erosion or destruction of scutum or spur (the lateral wall of the attic), widening of the aditus ad antrum (loss of figure of "8" appearance) , antral wall erosions and widening , ossicular erosions and destruction , medial attic wall erosion which may lead to facial nerve canal involvement, which may cause paresis or paralysis , erosion of the lateral semicircular canal which may result into fistula formation (Figure 1), dehiscence of tegmen tympani , dehiscence of sigmoid sinus plate, erosion of the external auditory canal (EAC), and automastoidectomy.
DETECTION OF TEMPORAL BONE CHOLESTEATOMA BY MULTIDETECTOR COMPUTED TOMOGRAPHY
These changes when associated with bony expansion of the middle ear cavity and aditus ad antrum are highly suggestive of cholesteatoma [1, 5, 7, 8]
Role of HRCT temporal bone in preoperative evaluation of cholesteatoma
Exploration confirmed that the mass extended from the aditus ad antrum to the external auditory canal and involved the incudomalleolar joint; the mobility of the joint was extremely limited.
Synovial chondromatosis of the middle ear: a case report
A soft, grayish, well-demarcated mass filled the mastoid antrum, mastoid tip, aditus ad antrum, and epitympanum.
Concomitant inflammatory pseudotumor of the temporal bone and lung: a case report
Therefore, the drug likely distributes, except in rare exceptions such as a blocked aditus ad antrum.
Are topical quinolones safe for middle ear use in children?

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