Imaging Flashcards
1
Q
What is the pars bracket sign?
A
aka pars marginalis
Radiographic sign in which the suprior most extent of the pars marginalis of the cingulate sulcus on axial imaging appears to form two roughly symmetric brackets, open anteriorly.
The next sulcus anteriorly is the central sulcus
2
Q
Describe location and significance of marginal sulcus
A
The marginal sulcus is an extension of the cingulate sulcus posterosuperiorly and separates the paracentral lobule from the precuneous of the parietal lobe on medial surface
3
Q
What is the name of this sulcus?
A
Superior frontal sulcus
4
Q
Describe axial CT scan frontal/parietal division
A
Central sulcus
