Imaging Findings and Final Diagnosis in 18 Sites in 14 Patients with Suspected Diabetic Foot Infection
| Patient no. | Area of suspected infection | Bone scintigraphy | PET | Maximum SUV | CT | PET/CT localization | Final diagnosis |
|---|---|---|---|---|---|---|---|
| 1 | Fourth toe, L | Positive | Positive | 6.5 | Negative | Fourth metatarsus, L | Osteomyelitis |
| 2 | First toe, R | Positive | Positive | 2 | Positive | First metatarsus, R | Osteomyelitis |
| Second toe, R | Positive | Positive | 1.7 | Positive | Second metatarsus, R | Osteomyelitis | |
| First toe, L | Positive | Positive | 2.5 | Equivocal | First metatarsus, L | Osteomyelitis | |
| 3 | First toe, L | Positive | Positive | 7.9 | Positive | First metatarsus, L | Osteomyelitis |
| Midfoot, L | Positive | Positive | 7.1 | Positive | Cuneiforms, L | Osteomyelitis | |
| 4 | Ankle, R | Positive | Positive | 9.3 | Positive | Lateral malleolus, R | Osteomyelitis |
| Heel, R | Positive | Positive | 13 | Equivocal | Calcaneus, R | Osteomyelitis | |
| 5 | Ankle, R | Positive | Positive | 6.2 | Positive | Soft tissue | Soft-tissue infection |
| 6 | Ankle, R | Positive | Positive | 2.1 | Positive | Soft tissue | Soft-tissue infection |
| 7 | Ankle, R | Positive | Positive | 3.3 | Equivocal | Soft tissue | Soft-tissue infection |
| 8 | First toe, R | Positive | Positive | 1.7 | Negative | Soft tissue | Soft-tissue infection |
| 9 | Ankle, R | Positive | Positive | 11.1 | Equivocal | Soft tissue | Soft-tissue infection |
| 10 | Third toe, L | Positive | Positive | 1.4 | Equivocal | Third metatarsus, L | Osteoarthropathy |
| 11 | Ankle, L | Negative | Negative | — | Negative | No infection | |
| 12 | Heel, L | Negative | Negative | — | Negative | No infection | |
| 13 | Ankle, R | Positive | Negative | — | Negative | No infection | |
| 14 | Heel, L | Negative | Negative | — | Equivocal | No infection |