Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study

SUMMARY: External occipital protuberance (EOP) is a midline bony protrusion in the occipital bone, the significance of which has gained recent attention in the medical community. Our present study aims to assess the average size of EOP in a Jordanian cohort and its relation to age and sex, while det...

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Autores principales:	Al-Ryalat,Nosaiba, Samara,Osama, Hadidy,Azmy, Al-Najjar,Mahasen, Mubarak,Nida’, Abdulmunem,Hamsa, Alhadidi,Fadi, AlRyalat,Saif Aldeen
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	External occipital protuberance CT scan Bony protrusion Headache
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501274
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spelling	oai:scielo:S0717-950220210005012742021-10-19Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan StudyAl-Ryalat,NosaibaSamara,OsamaHadidy,AzmyAl-Najjar,MahasenMubarak,Nida’Abdulmunem,HamsaAlhadidi,FadiAlRyalat,Saif Aldeen External occipital protuberance CT scan Bony protrusion Headache SUMMARY: External occipital protuberance (EOP) is a midline bony protrusion in the occipital bone, the significance of which has gained recent attention in the medical community. Our present study aims to assess the average size of EOP in a Jordanian cohort and its relation to age and sex, while determining the frequency of enlarged EOP in this cohort. The present study was a cross-sectional study that was carried out in a referral hospital in Jordan. We reviewed thousands of CT scans taken with dedicated bone window imaging during the last two years, beginning January 2018. Measurements were taken by trained radiology residents and were then further reviewed by radiology specialists. An EOP was classified as enlarged (EEOP) if it exceeded 10 mm. A total of 4409 patients, 2265 (51.4 %) females and 2144 (48.6 %) males, met our inclusion criteria. Their mean age was 54.1 ? 22.2 years. The mean size of the EOP in these patients was 8.4 ? 4.2 mm (range: 0-56 mm). Out of the 4409-study population, 1210 (27.4 %) presented with EEOP. The prevalence of an EEOP was significantly higher in the male population (33.6 %) when compared with the female population (21.6 %) (P < 0.001). The size of the EOP was also significantly related to the age of the patient, with EEOP increasing with increasing age. The mean size of EOP in our Jordanian cohort was 8.4 ? 4.2 mm. The frequency of enlarged EOP was found to be 27.4 % in our cohort, and was significantly more common in males and in older patients.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.39 n.5 20212021-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501274en10.4067/S0717-95022021000501274
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	External occipital protuberance CT scan Bony protrusion Headache
spellingShingle	External occipital protuberance CT scan Bony protrusion Headache Al-Ryalat,Nosaiba Samara,Osama Hadidy,Azmy Al-Najjar,Mahasen Mubarak,Nida’ Abdulmunem,Hamsa Alhadidi,Fadi AlRyalat,Saif Aldeen Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study
description	SUMMARY: External occipital protuberance (EOP) is a midline bony protrusion in the occipital bone, the significance of which has gained recent attention in the medical community. Our present study aims to assess the average size of EOP in a Jordanian cohort and its relation to age and sex, while determining the frequency of enlarged EOP in this cohort. The present study was a cross-sectional study that was carried out in a referral hospital in Jordan. We reviewed thousands of CT scans taken with dedicated bone window imaging during the last two years, beginning January 2018. Measurements were taken by trained radiology residents and were then further reviewed by radiology specialists. An EOP was classified as enlarged (EEOP) if it exceeded 10 mm. A total of 4409 patients, 2265 (51.4 %) females and 2144 (48.6 %) males, met our inclusion criteria. Their mean age was 54.1 ? 22.2 years. The mean size of the EOP in these patients was 8.4 ? 4.2 mm (range: 0-56 mm). Out of the 4409-study population, 1210 (27.4 %) presented with EEOP. The prevalence of an EEOP was significantly higher in the male population (33.6 %) when compared with the female population (21.6 %) (P < 0.001). The size of the EOP was also significantly related to the age of the patient, with EEOP increasing with increasing age. The mean size of EOP in our Jordanian cohort was 8.4 ? 4.2 mm. The frequency of enlarged EOP was found to be 27.4 % in our cohort, and was significantly more common in males and in older patients.
author	Al-Ryalat,Nosaiba Samara,Osama Hadidy,Azmy Al-Najjar,Mahasen Mubarak,Nida’ Abdulmunem,Hamsa Alhadidi,Fadi AlRyalat,Saif Aldeen
author_facet	Al-Ryalat,Nosaiba Samara,Osama Hadidy,Azmy Al-Najjar,Mahasen Mubarak,Nida’ Abdulmunem,Hamsa Alhadidi,Fadi AlRyalat,Saif Aldeen
author_sort	Al-Ryalat,Nosaiba
title	Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study
title_short	Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study
title_full	Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study
title_fullStr	Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study
title_full_unstemmed	Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study
title_sort	frequency of enlarged external occipital protuberance and its association with age and sex: a cross-sectional ct scan study
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501274
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Frequency of Enlarged External Occipital Protuberance and its Association with Age and Sex: A Cross-Sectional CT Scan Study

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