Table 2.

Description of MR findings in primary malignant melanoma of the lacrimal sac

case	references	MR features
1	Billing et al. (2003) [12]	intermediate signal intensity on T1 and T2 weighted images, enhanced with intravenous gadolinium
2	Tello et al. (2004) [13]	intermediate signal intensity on T1 weighted images and hyperintensity on T2 weighted images
3	Lewis et al. (2006) [15]	iso-or hyper-signal on T1 weighted images
4	Li et al. (2012) [18]	lowerintensity on T1 weighted images and highintensity on T2 weighted images, gadolinium-enhanced T1-weighted highintensity
5	Maegawa et al. (2014) [19]	hypointense on T2
6	Kavoussi et al. (2016) [22]	intermediate signal intensity on T1 and T2 weighted images
7	Present case	intermediate signal intensity on T1 weighted images and iso-or hyper-signal on T2 weighted images