PT  - JOURNAL ARTICLE
AU  - Sherif, F.
AU  - Elmokadem, A.H.
AU  - Abdel Razek, A.
AU  - Kamal, E.
AU  - Abdou, E.H.E.
AU  - Salem, M.A.
AU  - Ghoneim, M.M.
TI  - DTI of the Olfactory Bulb in COVID-19-Related Anosmia: A Pilot Study
AID  - 10.3174/ajnr.A7590
DP  - 2022 Aug 01
TA  - American Journal of Neuroradiology
PG  - 1180--1183
VI  - 43
IP  - 8
4099  - http://www.ajnr.org/content/43/8/1180.short
4100  - http://www.ajnr.org/content/43/8/1180.full
SO  - Am. J. Neuroradiol.2022 Aug 01; 43
AB  - SUMMARY: This study aimed to assess the utility of DTI in the detection of olfactory bulb dysfunction in COVID-19-related anosmia. It was performed in 62 patients with COVID-19-related anosmia and 23 controls. The mean diffusivity and fractional anisotropy were calculated by 2 readers. The difference between the fractional anisotropy and mean diffusivity values of anosmic and control olfactory bulbs was statistically significant (P = .001). The threshold of fractional anisotropy and mean diffusivity to differentiate a diseased from normal olfactory bulb were 0.22 and 1.5, with sensitivities of 84.4% and 96.8%, respectively, and a specificity of 100%.COVID-19coronavirus disease 2019FAfractional anisotropyMDmean diffusivityOBolfactory bulbSARS-COV-2Severe Acute Respiratory Syndrome coronavirus 2