The recognition and surgical treatment of congenital ossicular defects

Henner, Robert; Buckingham, Richard A.

doi:10.1288/00005537-195605000-00004

Cited by 31 publications

(14 citation statements)

References 1 publication

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“…Thus, the specific factors involved in the etiology of isolated ossicular anomalies require further investigation. The classification of congenital ossicular anomalies was first reported by Henner and Buckingham in 1956 [13]. They classified congenital anomalies of the ossicles into two types Á isolated or combined with other anomalies Á and divided isolated ossicular anomalies into eight subtypes.…”

Section: Discussionmentioning

confidence: 99%

Isolated congenital ossicular anomalies

Park

Choung

2009

Acta Oto-Laryngologica

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Conclusions. Isolated congenital ossicular anomalies are diverse. Our proposed modified Teunissen and Cremers classification will be helpful for the evaluation of congenital ossicular anomalies as well as the prediction of surgical outcome. Objectives. The aim of this study was to describe isolated congenital ossicular anomalies encountered in patients who have normal eardrums and to evaluate their surgical outcome based on their classification. Patients and methods. A total of 78 patients (94 ears) with congenital ossicular anomalies were reviewed. The preoperative and postoperative audiological findings, surgical findings, and temporal bone CT results were analyzed. Results. Twenty-one types of ossicular anomalies were identified in this study. A stapes footplate fixation was the most common anomaly and this was usually bilateral. However, the anomalies that were associated with the incus and malleus were usually unilateral. The congenital ossicular anomalies were classified into five types according to the status of the stapes footplate. Using this modification of a prior classification system, the more severe anomalies of the stapes footplate could be identified, and the worst postoperative hearing result could be predicted.

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Section: Discussionmentioning

confidence: 99%

Isolated congenital ossicular anomalies

Park

Choung

2009

Acta Oto-Laryngologica

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“…Very few published series are available in the literature that describe cases comparable to class 3. 12 From an otologic point of view, the surgical treatment for this anomaly is fundamentally different from that for classes 1 and 2, because the vestibulum is not opened. Reconstruction of the ossicular chain can be achieved in various ways, whether or not in combination with mobilization of another part of the ossicular chain.…”

Section: Air-bone Gapmentioning

confidence: 99%

“…,[12][13][14] .Within this great variation, we distinguished 4 main classes. First, this classification preselects anomalies on the basis of the condition and mobility ofthe stapes and the stapes footplate.…”

mentioning

confidence: 99%

Classification of Congenital Middle Ear Anomalies Report on 144 Ears

Teunissen¹,

Cremers²

1993

Ann Otol Rhinol Laryngol

130

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The surgical findings in 144 successive ears operated on for congenital conductive hearing loss were analyzed, and the results were evaluated in terms of hearing gain. All the patients underwent middle ear surgery at the University Hospital Nijmegen between 1964 and 1990. A classification system was developed to analyze the findings. Class 1 comprises ears with congenital isolated stapes ankylosis. Class 2 comprises ears with congenital stapes ankylosis in combination with a congenital anomaly of the ossicular chain. Class 3 comprises ears with congenital anomalies of the ossicular chain and at least a mobile stapes footplate. Class 4 comprises ears with aplasia or severe dysplasia of the oval window or round window.

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“…Congenital defects of the ear are classified into three groups as minor, major and severe, depending on the extent of the anomalies [6,7].…”

Section: Discussionmentioning

confidence: 99%

Late Detection of Hearing Loss in a Case with Middle Ear Congenital Abnormality

Tzangaroulakis¹,

Korres²,

Alatzidou³

et al. 2002

Otorhinolaryngol Nova

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The present paper describes a rare case of a unilateral congenital ossicular abnormality that presented in adulthood. A unilateral conductive hearing loss was revealed during a routine examination for a professional driving license. Differential diagnosis included otosclerosis and ossicular anomalies. Our patient, a 40-year-old man, had no history of otitis media or trauma to the head and he was not aware of his hearing loss. Exploratory tympanotomy revealed absence of the long process of the incus and of the stapes. A remnant of the underdeveloped stapes footplate was removed and reconstruction of the defect using a 5.0-mm malleus-oval window prosthesis had an excellent result with complete restoration of the air-bone gap. The patient experienced binaural hearing with great excitement.

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The recognition and surgical treatment of congenital ossicular defects

Cited by 31 publications

References 1 publication

Isolated congenital ossicular anomalies

Isolated congenital ossicular anomalies

Classification of Congenital Middle Ear Anomalies Report on 144 Ears

Late Detection of Hearing Loss in a Case with Middle Ear Congenital Abnormality

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