TABLE 1

Abnormal ¹⁸F-FDG PET/MRI Findings for Patients

			SUV_max of ¹⁸F-FDG on:
Patient	Painful side	Location	Lesion side	Contralateral side	MRI abnormalities
1	Right	Right L5–S1 lateral recess	1.66	1.08	Compression of right S1 spinal nerve by disk bulge at L5–S1
		Right biceps femoris muscle	1.39	0.85
2	Right	Right L5–S1 lateral recess	1.34	1.05	Compression of right S1 spinal nerve by disk bulge at L5–S1
		Right biceps femoris muscle	1.00	0.51
		Right extensor halluces longus muscle	2.50	1.33
3	Right	Right L5–S1 lateral recess	1.26	1.18	Compression of right S1 spinal nerve by disk bulge at L5–S1
		Right biceps femoris muscle	1.42	1.24
4	Left	Left L4–L5 lateral recess	1.36	1.06	Compression of left L5 spinal nerve by disk bulge at L4–L5
		Left soleus muscle	1.10	0.84
5	Right	Right L5–S1 lateral recess	1.75	1.20	Compression of right S1 spinal nerve by disk bulge at L5–S1
		Right tibialis anterior muscle	1.24	0.82
6	Right	Right S2 peripheral nerve	1.4	1.2	Entrapment of right S2 peripheral nerve by piriformis muscle
7	Left	Left gastrocnemius and soleus muscles	1.84	0.84	Mild compression of right S1 spinal nerve by disk bulge at L5–S1
8	Left	Left L5–S1 facet joint	2.94	1.53	Bilateral facet arthropathy at L5–S1
		Left hamstring tendon	2.1	1.4
9	Left	Left L5 pars	1.30	0.80	Bilateral L5 pars defects; neuritis at left L4–S1 spinal nerve