Surgical anatomy of the human middle ear: an insight into cochlear implant surgery

Rodrigues, Antônio de Castro; Shinohara, André Luís; Andreo, Jesús Carlos; Buchaim, Rogério Leone; Ahmed, Farooque Jamaluddin

doi:10.1007/s00276-012-0947-6

Cited by 5 publications

(4 citation statements)

References 11 publications

(8 reference statements)

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“…Thanks to its important integrative function, present-day research for middle ear structure was reported for several species such as the chinese bamboo rat (Pleštilová, Hrouzková, Burda, & Šumbera, 2016), toad (Womack, Stynoski, Voyles, Coloma, & Hoke, 2018), rabbit (Guan et al, 2019), pig (Pracy, White, Mustafa, Smith, & Perry, 1998), miniature pigs (HaiJin et al, 2013), humans, (Arechvo et al, 2013;Isaacson, 2014;Luers & Hüttenbrink, 2016;Sawada, Nara, Fukui, Dodo, & Hirata, 2014;Stieger, Djeric, Kompis, Remonda, & Häusler, 2006;Whyte et al, 2001) other primates, moles (Mason, 2006), dog (Berghes, Parvu, Cucoanes, & Cuca, 2010;Ortug & Türkmenoğlu, 2005), Indian mangoose (Kamali, Gholami, Ahrari-Khafi, Rasouli, & Shayegh, 2015), horse, cat, cow, rat, mouse (Amin & Tucker, 2006;Blanke, Aupperle, Seeger, Kubick, & Schusser, 2015;Botti, Secci, Ragionieri, Dessole, & Acone, 2006;Mohammadpour, 2010) or other extinct rodents (Lange, Stalleicken, & Burda, 2004), hamster, gerbil, New Zeeland rabbit (Kurtul, Cevik, Bozkurt, & Dursun, 2003), ostrich (Beșoluk et al, 2019;Keenan, Mears, & Skedros, 2017), degu (Argyle & Mason, 2008), weasel or chinchilla (Bergin, Vlajkovic, Bird, & Thorne, 2013;Carrasco, Maass, Dentone, Miranda, & Kukuljan, 2008;Charuta et al, 2011;Hoffstetter et al, 2011;Maier, Tröscher, & Ruf, 2018;Maravilla et al, 2011;Martonos et al, 2019;Rodrigues, Shinohara, Andreo, Buchaim, & Ahmed, 2012;…”

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confidence: 99%

Morphological and morphometrical aspects of the auditory ossicles in goat (Capra hircus)

Martonos

Gudea

Damian

et al. 2020

Anat Histol Embryol

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The present paper deals with a detailed description of the auditory ossicles in Capra hircus. The paper focuses on the morphological and morphometrical description of the ossicular assembly, formed by malleus, incus and stapes. The malleus (overall length, as average‐ 8.16 mm) comprises the head of malleus (Caput mallei), a slightly strictured part—neck (Collum mallei) with 3 distinctive processes (lateral, rostral and muscular) (Processus lateralis, Processus rostralis and Processus muscularis) and a handle (Manubrium mallei). The head of malleus has an oval aspect with an obtuse articular surface on its medial surface (Facies articularis). The neck is evident with three bony processes described—the anterior, almost triangular, the muscular one quite reduced and the lateral one which is the most developed one. The manubrium is the longest sector—4.4 mm and appears as a slightly curved piece. The incus presents a body of 1.3 mm and two processes—the short and long crus (Crus breve and Crus longum). The overall shape of the ossicle resembles a biradicular molar. The lenticular process is a continuation of the distal part of the long crus. The stapes—the smallest in size of the three ossicles (2.7 mm), has a head (Caput stapedis), an anterior (Crus rostrale) and a caudal (Crus caudale) arm and a footplate (Basis stapedis). The two processes are slightly different in size and morphology, delimiting the intercrural space that shows the presence of a bony spicule. The footplate (1.6 mm2 area) is ellipsoidal, with an anterior narrower extremity.

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confidence: 99%

Morphological and morphometrical aspects of the auditory ossicles in goat (Capra hircus)

Martonos

Gudea

Damian

et al. 2020

Anat Histol Embryol

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“…Measurements were conducted with DinoCapture 2.0 software as in other series, with 2 authors meeting and mutually agreeing on distances. 11…”

Section: Methodsmentioning

confidence: 99%

“…Measurements were conducted with DinoCapture 2.0 software as in other series, with 2 authors meeting and mutually agreeing on distances. 11 The following were determined for each temporal bone: presence or absence of a complete (plate) Korner's septum in the mastoid cavity, the distance from the inferior aspect of the PsS to the tegmen tympani, the shortest distance from the PsS to the posterior body of the incus, the greatest distance from the posterior prominence of the PsS to the posterior body of the incus, and the distance from the PsS to the incus buttress. The mean distance as for each measurement are reported ( Figure 1).…”

Section: Methodsmentioning

confidence: 99%

“…1 Extensive efforts have been applied to identify and characterize the precise location of key structures relative to temporal bone surface and internal landmarks. 1-12 Many of these landmarks facilitate the safe and efficient opening of the mastoid cortex, with subsequent entry into the mastoid antrum, exposure of the sinodural angle, and localization of the lateral semicircular canal. Subsequently, anterior exposure in the aditus ad antrum is frequently pursued because the incus is among the most useful landmarks for identification of the facial nerve and removal of bone in this region permits viewing of the epitympanum.…”

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confidence: 99%

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The Petrosquamous Stalactite: Anatomic Characterization and Mastoid Surgical Implications

Puricelli

Newby

Fishman

et al. 2017

Otolaryngol.--head neck surg.

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Objective To define the presence and relationship of the petrosquamous stalactite (PsS)-a condensation of the trabecular Korner's septum into a bony plate of the petrosquamous suture-to surrounding structures and understand its surgical implications. Study Design Series of cadaver dissections. Setting University of Missouri Alumni Temporal Bone and Microvascular Laboratory. Subjects and Methods Anatomic dissections were conducted on 15 consecutive formalin-preserved and frozen adult human temporal bones. A calibrated Dino-Lite Premier Digital Microscope was used to photograph dissections of each bone. Measurements were conducted with DinoCapture 2.0 software, with measurement agreement between 2 authors. Results The PsS was present in all specimens. A conserved vascular structure courses within the structure, and the superior malleolar ligament inserts on it. The mean ± SEM distances from the PsS to the tegmen tympani and incus buttress were 2 ± 0.24 mm and 4.23 ± 0.14 mm, respectively. The shortest distance from the PsS to the posterior body of the incus was 1.25 ± 0.13 mm, while the greatest distance from the posterior prominence of the PsS to the posterior body of the incus was 4.58 ± 0.25 mm. Conclusion The PsS is a consistently identifiable structure that may facilitate identification of the tegmen tympani and guide the otologic surgeon from the mastoid antrum to the incus. It is important to recognize the contribution of the PsS to the division of the epitympanic space when cholesteatoma involves the region, to avoid leaving a nidus for future disease.

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Evaluation of the stapedial tendon growth dynamic in human fetuses

et al. 2019

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Surgical anatomy of the human middle ear: an insight into cochlear implant surgery

Cited by 5 publications

References 11 publications

Morphological and morphometrical aspects of the auditory ossicles in goat (Capra hircus)

Morphological and morphometrical aspects of the auditory ossicles in goat (Capra hircus)

The Petrosquamous Stalactite: Anatomic Characterization and Mastoid Surgical Implications

Evaluation of the stapedial tendon growth dynamic in human fetuses

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