Are Hounsfield Unit Measurements of Bony Absorption Changes in Cholesteatoma Helpful?
| العنوان: | Are Hounsfield Unit Measurements of Bony Absorption Changes in Cholesteatoma Helpful? |
|---|---|
| المؤلفون: | Sharon Tamir, Tal Marom, Oded Kraus, Judith Luckman, Shay Shemesh |
| المصدر: | International Archives of Otorhinolaryngology v.26 n.3 2022 International Archives of Otorhinolaryngology Fundação Otorrinolaringologia (FORL) instacron:FORL International Archives of Otorhinolaryngology, Volume: 26, Issue: 3, Pages: 414-421, Published: 04 NOV 2022 International Archives of Otorhinolaryngology (2021) |
| بيانات النشر: | Fundação Otorrinolaringologia, 2022. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | medicine.medical_specialty, Ossicles, business.industry, Incus, Cholesteatoma, Malleus, computed tomography, ossicles, medicine.disease, hounsfield unit, medicine.anatomical_structure, RF1-547, Otorhinolaryngology, Hounsfield scale, Temporal bone, otorhinolaryngologic diseases, medicine, Medicine, Hounsfield unit, business, Nuclear medicine, cholesteatoma, Stapes |
| الوصف: | Introduction High-resolution computed tomography (HRCT) scans of the temporal bone are used to assess the bony erosion of the middle-ear structures whenever cholesteatoma is suspected. Objective To study the differences in HRCT Hounsfield unit (HU) index measurements of middle-ear bony structures between an ears with and without cholesteatoma. Methods A retrospective study of 59 patients who underwent surgery due to unilateral cholesteatoma. The HRCT HU index of the scutum, of three middle-ear ossicles, of the lateral semicircular canal (LSCC), and of the fallopian canal was measured in both ears. A comparison was made between the cholesteatoma and the non-cholesteatomatous ear (control). All measurements were conducted by an otolaryngologist. To assess the interobserver bias, 10% of the samples were randomly and independently assessed by another otolaryngologist and a neuroradiologist who were blinded. Results The average HU index was lower in the ear with cholesteatoma when compared with the non-cholesteatomatous ear. While the differences were statistically significant regarding the measurements of the scutum (516.02 ± 311.693 versus 855.64 ± 389.999; p = 0.001), the malleus (1049.44 ± 481.765 versus 1413.47 ± 313.376; p = 0.01), and the incus (498.03 ± 264.184 versus 714.25 ± 405.631; p = 0.001), the differences in the measurements of the LSCC (1042.34 ± 301.066 versus 1154.53 ± 359.609; p = 0.69) and of the fallopian canal (467.19 ± 221.556 versus 543.51 ± 263.573; p = 0.108) were not significantly different between both groups. The stapes was immeasurable in both groups due to its small size. Conclusion Hounsfield unit index measurements are a useful tool that may aid in the diagnosis of early-stage cholesteatoma. |
| وصف الملف: | text/html |
| اللغة: | English |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::983a5f0dd63ba3b846551b1a8e389257Test http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1809-48642022000300414Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....983a5f0dd63ba3b846551b1a8e389257 |
| قاعدة البيانات: | OpenAIRE |
| الوصف غير متاح. |