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Obliquity of the Stapes in Otosclerosis: A New Radiological Sign

Overview of attention for article published in International Archives of Otorhinolaryngology, March 2016
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Title
Obliquity of the Stapes in Otosclerosis: A New Radiological Sign
Published in
International Archives of Otorhinolaryngology, March 2016
DOI 10.1055/s-0036-1579743
Pubmed ID
Authors

Veluswamy Anand, H. N. Udayabhanu, B. Siva Subramaniam

Abstract

Introduction Observing the obliquity of stapes by closely scrutinizing the HRCT temporal bone in otosclerosis revealed a reliable and consistent finding. This finding can add to the existing radiological criteria in diagnosis of otosclerosis. Objective The objective of this study is to establish the obliquity of stapes in otosclerosis by radiological measurements using HRCT temporal bone by comparing: (a) the distance between the horizontal (tympanic) segment of facial nerve and stapes head in otosclerotic ears (study group) with non-otosclerotic ears (control group); and (b) the angle subtended by stapes with promontory in the study and control groups. Methods This is a prospective study performed after the institutional Ethics Committee clearance (IEC 3/2013). Results An increased mean distance between the horizontal segment of facial nerve and stapes head in otosclerotic patients (i.e., 2.49mm +/- 0.24mm SD), when compared with the non-otosclerotic patients (i.e., 1.46mm +/- 0.16mm SD) is noted. There is a change in angle (i.e., 64.550 +/- 7.190 SD) subtended by the stapes toward the promontory in otosclerotic ears when compared with that of controls (i.e., 99.700 +/- 40 SD). We applied the Mann-Whitney U non-parametric test and considered p value of < 0.0001 highly significant. Conclusions Obliquity of stapes in otosclerosis referred to as a "Pisa" sign by the senior author has diagnostic value as a new radiological sign in imaging of otosclerosis. This obliquity explains the torsional effect of otosclerosis on the ossicular chain. The findings correlate with late complications and failures in stapes surgery.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 18 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 18 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 22%
Student > Postgraduate 3 17%
Student > Master 2 11%
Researcher 2 11%
Professor 1 6%
Other 1 6%
Unknown 5 28%
Readers by discipline Count As %
Medicine and Dentistry 9 50%
Psychology 1 6%
Unspecified 1 6%
Unknown 7 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 April 2016.
All research outputs
#20,413,129
of 22,963,381 outputs
Outputs from International Archives of Otorhinolaryngology
#307
of 646 outputs
Outputs of similar age
#253,922
of 300,524 outputs
Outputs of similar age from International Archives of Otorhinolaryngology
#16
of 32 outputs
Altmetric has tracked 22,963,381 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 646 research outputs from this source. They receive a mean Attention Score of 1.6. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 32 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.