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Table 5: Reported frequency of HSC in the MR imaging literature
Study Frequency of HSC (%) Age (y) Sequence Orientation Thickness (mm) Gap (mm) Matrix
Sasaki et al⁶ 39 8–85 T2 SE Axial 5–7 ^* 256 × 192
Yoneoka et al¹³ 26 18–80 T2 FSE Coronal 5 2.5 512 × 512
Bartres-Faz et al¹² 93 50–85 T2 FSE Axial 3 ^* 256 × 256
Current study 64 20–90 T2 STIR Coronal 3 1 512 × 256
Note:—HSC indicates hippocampal sulcus residual cavity.
* No mention.

Study	Frequency of HSC (%)	Age (y)	Sequence	Orientation	Thickness (mm)	Gap (mm)	Matrix
Sasaki et al⁶	39	8–85	T2 SE	Axial	5–7	^*	256 × 192
Yoneoka et al¹³	26	18–80	T2 FSE	Coronal	5	2.5	512 × 512
Bartres-Faz et al¹²	93	50–85	T2 FSE	Axial	3	^*	256 × 256
Current study	64	20–90	T2 STIR	Coronal	3	1	512 × 256