Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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Effect of Sex and Menopausal Age on Thickness and Density of Membranous Bone : Focused on Computed Tomography in Squamous Portion of Temporal Bone

성별과 폐경기 나이가 막성골의 두께와 밀도에 미치는 영향 : 측두골 비늘부위 전산화단층영상을 중심으로

  • Ji, Myeong-Hoon (Department of Health and Medical Sciences, Graduate School, Cheongju University) ;
  • Seoung, Youl-Hun (Department of Health and Medical Sciences, Graduate School, Cheongju University)
  • 지명훈 (청주대학교 일반대학원 보건의료학과) ;
  • 성열훈 (청주대학교 일반대학원 보건의료학과)
  • Received : 2021.06.20
  • Accepted : 2021.06.29
  • Published : 2021.06.30
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Abstract

The purpose of this study was to investigate the effect of sex and menopausal age on the thickness and density of squamous portion of the temporal bone as the membranous bone. Patients who visited a general hospital in Chungnam and had a computed tomography (CT) examination of the head. A retrospective study was conducted with 120 subjects (30 men under 55 years old, 30 men over 56 years old, 30 women under 55 years old, and 30 women over 56 years old). Axial images of the squamous portion in the temporal bone were obtained from CT of the head. For this image, a slice sensitive profile (SSP) was acquired with an image analysis program and these were evaluated. The thickness was measured by using a digital ruler to measure the full width at half maximum (FWHM) of the SSP, and the density was measured in hounsfield unit (HU). These by gender were measured to be about 0.5 mm thinner in the temporal bone in men than in women, and there was a significant difference. The density was measured to be about 200 HU higher in women than in men of it, and there was a significant difference. As a result, it in women was thicker and had a lower density. The thickness of it in men and women over 56 years of age was 0.8 mm or more thicker in women and less than 400 HU in density. As a result, the women group over the age of 56 showed a distinct increase in thickness and decrease in density, different from other target groups. It is expected that the results of this study could be used as basic data for a new bone density measurement site study.

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References

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