epitympanum


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epitympanum

 [ep″ĭ-tim´pah-num]
epitympanic recess. adj., adj epitympan´ic.

ep·i·tym·pa·num

(ep'i-tim'pă-nŭm),
The upper portion of the tympanic cavity or middle ear above the tympanic membrane; it contains the head of the malleus and the body of the incus.

epitympanum

/epi·tym·pa·num/ (-tim´pah-num) epitympanic recess.

ep·i·tym·pa·num

(ep'i-tim'pă-nŭm)
The upper portion of the tympanic cavity or middle ear above the tympanic membrane; contains the head of the malleus and the body of the incus.

epitympanum

the upper part of the tympanum.
References in periodicals archive ?
7% Table 3: Showed HRCT Findings in Cholesteatoma (n-38) Patients Number of Percentage HRCT Findings in Cholesteatoma Cases(n) (%) Non-dependent soft tissue component in 19 50 epitympanum and Prussak's space Soft tissue component filling epi, meso and 13 34.
6) They found that compared with ICWM, CWDM offered significantly superior visualization of the lateral epitympanum, posterior crus of the stapes, and sinus tympani.
6,9) With the use of the operating microscope, each bone underwent ICWM with extension into the epitympanum, dissection of the facial recess, and removal of the posterior half of the tympanic membrane.
The five points marked in each bone were the lateral epitympanum, posterior crus of the stapes, sinus tympani, eustachian tube orifice, and round window niche.
This study showed that ICWM with otoendoscopy was equal to CWDM with microscopy in providing visualization of the lateral epitympanum, posterior crus of the stapes, eustachian tube orifice, and round window niche.
Moreover, several authors have determined that the epitympanum, sinus tympani, and middle ear cavity are areas of high risk for recurrent disease.
During surgery, a mass of keratin debris was encountered in the epitympanum and mastoid antrum.
Both recurrences were attributed to a prolapse of the dural repair into the epitympanum.
Computed tomography (CT) of the temporal bone detected a soft-tissue mass that involved the left epitympanum and mesotympanum and compromised the malleolus of the ossicular chain and the facial nerve (figure 1).
Meyerhoff et al reported that granulation tissue develops in 94% of all cases of chronic suppurative otitis media (CSOM), usually in the epitympanum, and in 100% of cases of CSOM that are characterized by intracranial complications.
It is likely that a failure to "skeletonize" the sinodural angle and unmask diseased tegmental air cells leaves behind diseased labyrinthine air cells and obscures persistent cholesteatoma; these failures are often associated with the finding of disease in the posterior epitympanum.