TABLE 2.

The Radiologic Imaging Features of SNEC of Paranasal Sinuses

Case	CT/MRI	Location	R/L/B	Modified Kadish	Dulguerov Staging	CT			MRI						Clinical Outcome (3 mo to 3 y)
						Density	Enhancement	Bony Change	Hemorrhage	Necrosis	Enhancement	Cribriform-Like or Geographic Feature	TIC Type	ADCb0,100 Value, ×10−3 mm2/s	Recurrence	Vital Status
1	CT/MRI	Ethmoidal sinus	L	C	T3N0M0	Isodense	Moderate	Yes	No	Yes	Moderate	Yes		0.591	None	Alive
2	CT/MRI	Maxillary sinus	R	C	T4N0M0	Isodense	Marked	Yes	Yes	Yes	Marked	No		0.684	Local	Dead of disease
3	MRI	Ethmoidal sinus	L	B	T1N0M0				No	Yes	Moderate	Yes	Plateau	0.631	None	Alive
4	CT/MRI	Maxillary sinus	R	D	T3N1M0	Isodense	Moderate	Yes	No	No	Marked	No	Washout	0.527	Local	Alive
5	MRI	Ethmoidal sinus	B	C	T3N0M0				Yes	Yes	Marked	No		0.599	Local	Alive
6	MRI	Ethmoidal sinus	R	D	T3N1M0				No	No	Marked	Yes	Washout	0.774	Local	Alive
7	CT/MRI	Maxillary sinus	R	D	T4N1M0	Isodense	Moderate	Yes	No	Yes	Marked	No		0.809	Local	Dead of disease
8	MRI	Ethmoidal sinus	L	C	T2N0M0				No	Yes	Moderate	No		0.776	None	Alive
9	CT/MRI	Sphenoid sinus	B	C	T3N0M0	Isodense	Moderate	Yes	No	No	Marked	No	Washout	0.724	Local	Alive
10	MRI	Ethmoidal sinus	L	C	T3N0M0				No	Yes	Moderate	Yes		0.947	None	Alive
11	MRI	Maxillary sinus	R	D	T4N1M1				Yes	Yes	Marked	Yes	Washout	0.628	Local and distant	Dead of treatment complications
12	CT/MRI	Ethmoidal sinus	L	C	T4N0M0	Isodense	Moderate	Yes	No	Yes	Moderate	Yes		0.743	Local	Alive
13	CT/MRI	Sphenoid sinus	B	D	T3N1M0	Isodense	Moderate	Yes	No	Yes	Moderate	Yes		0.615	None	Alive
14	CT/MRI	Ethmoidal sinus	R	C	T3N0M0	Isodense	Moderate	Yes	Yes	Yes	Marked	No		0.782	Local	Alive

R indicates right; L, left; B, bilateral.