CT Densitometry in Otosclerosis
An article by Setsuko Kawase et al "Relationship between CT densitometry with a slice thickness of 0.5 mm and audiometry in otosclerosis" in European Radiology June 2006 authors determined The appropriate cutoff Hounsfield unit (HU) value for the diagnosis of otosclerosis and investigated the correlation between the bone conduction threshold and the findings of computed tomography (CT) densitometry. Based on receiver operating characteristic (ROC) analysis, the cutoff HU value in area anterior to the oval window (A-OW) was determined to be 2,187.3 HU. A statistically significant correlation was found between the density of the area A-OW and the hearing level at 500 and 1,000 Hz, and between the density of the area around the cochlea and the hearing level at most frequencies. These results suggest the semi-automated diagnosis of otosclerosis may be possible.
Reference-
CT Densitometry in Otosclerosis
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Reviewed by Sumer Sethi
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Sunday, June 18, 2006
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Sumer Sethi
Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.
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