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Table 2: 
Summary of CT and/or MR imaging features of LCHNC in the literature
Authors No. of Cases CT Features MR Imaging Features Bony Changes
CT MRI Erosion Displacement
Puxeddu et al⁴ 6 4 Soft-tissue mass with intense CE (6/6) High SI on T2WI, low SI on T1WI with intense CE (4/4) NM NM
Katori and Tsukuda¹⁴ 1 1 Soft-tissue mass Isointense to muscle on T1WI, hyperintense with numerous small signal voids on T2WI NM NM
Iwata et al²³ 3 3 A well-circumscribed mass (3/3) High SI on T2WI with CE (3/3) – NM
Miller et al¹ 1 0 Soft-tissue mass – – NM
Ozcan et al³ 1 0 Soft-tissue mass – – NM
Kurtaran et al¹³ 1 0 Soft-tissue mass – – NM

–, indicates not present.

Authors	No. of Cases		CT Features	MR Imaging Features	Bony Changes
Authors	CT	MRI	CT Features	MR Imaging Features	Erosion	Displacement
Puxeddu et al⁴	6	4	Soft-tissue mass with intense CE (6/6)	High SI on T2WI, low SI on T1WI with intense CE (4/4)	NM	NM
Katori and Tsukuda¹⁴	1	1	Soft-tissue mass	Isointense to muscle on T1WI, hyperintense with numerous small signal voids on T2WI	NM	NM
Iwata et al²³	3	3	A well-circumscribed mass (3/3)	High SI on T2WI with CE (3/3)	–	NM
Miller et al¹	1	0	Soft-tissue mass	–	–	NM
Ozcan et al³	1	0	Soft-tissue mass	–	–	NM
Kurtaran et al¹³	1	0	Soft-tissue mass	–	–	NM