Characteristics of patients with retropharyngeal or parapharyngeal space nodal metastases

Age^*/Sex	Prior Surgery	RP/PPS Node (Location/mm)	MR Signal	PET	I-123	FNA Cytology	Surgical Pathology
47/F	Thyroidectomy, b/l neck dissection	Left RP/10	Complex	N/A	N/A	Papillary thyroid ca.	Papillary thyroid ca.
68/F	Thyroidectomy, R neck dissection	Right RP/16	Solid	Pos	Neg	Papillary thyroid ca.	Papillary thyroid ca.
74/M	Thyroidectomy, L neck dissection	Left RP/20	Complex	N/A	Neg	Anaplastic thyroid ca.	N/A
58/F	Thyroidectomy, L neck dissection	Left RP/12	Solid	Pos	Neg	No tumor	Papillary thyroid ca.
49/F	Thyroidectomy, L neck dissection, b/l paratracheal dissection	Left RP/10	Solid	Neg	N/A	No tumor	N/A
52/F	None	Right PPS/25	Cystic	N/A	N/A	N/A	Papillary thyroid ca.
47/F	Thyroidectomy, R neck dissection	Right RP/7	Solid	Neg	Neg	N/A	N/A
47/F	Thyroidectomy, b/l neck dissection, posterior neck dissection	Left RP/7	Solid	N/A	N/A	N/A	N/A
56/F	Thyroidectomy, R neck dissection	Right RP/11	Solid	N/A	N/A	N/A	N/A

Note:—RP indicates retropharyngeal node; PPS, parapharyngeal space node; b/l, bilateral; L, left; R, right; Neg, negative; Pos, positive; N/A, not applicable; ca., cancer; PET, positron-emission tomography; FNA, fine needle aspiration.
* Age at identification of pathologic lymph node on MR imaging.