Table 1.

Patients' characteristics and imaging findings

Case number	Age (years)/sex	Obtained images	Primary site	Histology	Size (mm)	Number of parotid lesions	Location in the parotid gland	Associated pathological lymph nodes	History of cervical node metastasis	Margin characteristics	Necrosis
1	75/F	CECT	Eyelid	Sebaceous cell carcinoma	38	1	Superficial lobe	None	None	Well defined	Present
2	90/M	CT, MRI	Skin (temple)	Squamous cell carcinoma	20, 7, 8	3	Superficial lobe in all	Present	None	Ill defined in one, well defined in two	N/A
3	89/M	CT, MRI	Skin (cheek)	Squamous cell carcinoma	21	1	Superficial lobe	None	None	Ill defined	N/A
4	71/F	CECT, MRI	Eyelid	Sebaceous cell carcinoma	25	1	Superficial lobe	None	None	Ill defined	None
5	72/F	CE-MRI	Eyelid	Sebaceous cell carcinoma	24	1	Tail	Present	None	Well defined	None
6	61/M	CECT, MRI	Lacrimal sac	Malignant Melanoma	10	1	Tail	None	None	Ill defined	None
7	85/F	CE-MRI	Skin (cheek)	Merkel cell carcinoma	16	1	Tail	None	None	Well defined	None
8	97/F	CT	Eyelid	Sebaceous cell carcinoma	23	1	Tail	None	None	Well defined	N/A
9	90/F	MRI	Skin (cheek)	Merkel cell carcinoma	13	1	Tail	Present	None	Well defined	N/A
10	69/M	CECT, MRI	Oral cavity	Squamous cell carcinoma	35	1	Tail	None	Present	Ill defined	None
11	70/M	CECT, CE-MRI	Larynx	Squamous cell carcinoma	8, 8, 12	3	Tail in all	Present	Present	Well defined in all	None
12	74/M	CECT	Larynx	Squamous cell carcinoma	24	1	Tail	Present	Present	Ill defined	Present
13	76/F	CECT, CE-MRI	Thyroid	Papillary adenocarcinoma	44	1	Tail	Present	None	Ill defined	None
14	73/M	MRI	Maxillary sinus	Squamous cell carcinoma	16	1	Tail	None	Present	Well defined	N/A

CECT, contrast-enhanced CT; F, female; M, male; N/A, not applicable.