Table 4. Distribution of primary ocular melanomas and their imaging characteristics.

No.	Age (*)	Sex	Diagnosis	Biopsy	Location	T1 signal	T2 signal	T1Gd	Restricted diffusion
1	64	F	Ocular melanoma	(-)	Left orbit -posterosuperior wall	Hyper	Hypo	+; focal	(+)
2	41	M	Ocular melanoma	(-)	Left orbit -medial wall	Hyper	Hypo /iso	(-)	(-)
3	41	F	Amelanocytic ocular melanoma	(-)	Left orbit -posterosuperior wall	Iso	Hypo /iso	+; focal	(+)
4	43	F	Ocular melanoma	(-)	Left orbit -posterosuperior wall	Hyper	Hyper	+; focal	(-)

M: masculine; F: feminine; (-): absent; (+): present; Hyper: hyperintensity; Hypo: hypointensity; Iso: isointensity; (*): in years.