Patient Data
| Patient no. | Group | Age (y) | Sex | Site of concern* | CRP (mg/L) | Scintigraphic results† (increased uptake sites/PNAR [1, 4, 24 h]) | Final diagnosis‡ | Biopsy/surgery or follow-up§ |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 21 | M | Tibial fr, FD | 5 | Distal tibia/3.73, 4.13, 1.5 | I | B + (1) |
| 2 | 1 | 72 | M | Humeral P | 83 | Left glene/1.59, 1.63, 1.79 | I | B −, altered granulocytes |
| 3 | 2 | 58 | F | Hip P | 5 | None | NI, PL | B −, fibrosis |
| 4 | 1 | 53 | M | Lumbar spine | 17 | L2–L3 vertebral bodies/1.63, 1.80, 1.91 | I | B + (1) |
| 5 | 1 | 76 | F | Hip P | 12 | Greater troch/1.65, 1.54, 1.46 | NI, PL | B −, bipolar PL |
| 6 | 1 | 45 | F | Mandibula | 77 | Left mandibula/2.00, 2.02, 1.92 | I | B + (2) |
| 7 | 2 | 74 | F | Hip P | <7 | SC, socket, peri-P femur/1.58, 1.59, 1.51 | NI, PL | B −, histiocytes, giant cells, metallosis |
| 8 | 1 | 21 | M | Knee P | 105 | External ST/3.27, 2.56, 2.24 | I | B +, pus (3) |
| 9 | 1 | 39 | F | Tibial fr, FD | 40 | Seat of tibial fr/2.30, 2.28, 2.22 | I | B + (1) |
| 10 | 1 | 88 | F | Pertroch fr, FD | 112 | Socket, proximal femur/2.36, 2.12, 2.26 | NI, Ps | B −, Ps, osseous necrosis/osteogenesis |
| 11 | 2 | 78 | F | Hip P | 1 | Socket, SC, major troch/1.64, 1.53, 1.47 | NI, PL | B −, giant cells, metallosis |
| 12 | 1 | 78 | M | Hip P | 10 | SC, peri-P femur/1.42, 1.54, 1.65 | I | B + (1), (4) |
| 13 | 1 | 78 | F | Hip P | 393 | ST, peri-P femur/3.18, 2.40, 2.52 | I | B + (1), (3) |
| 14 | 2 | 42 | M | Hip | <5 | Coxofemoral/1.68, 1.77, 1.66 | NI | B −, coxarthrosis |
| 15 | 2 | 70 | F | Knee P | <5 | SC, condyle/ND, 2.31, 2.22 | NI | F − |
| 16 | 2 | 52 | M | Major troch, FD | <5 | None | NI | FD ablation: B −, histo nl |
| 17 | 2 | 50 | M | Hip P | <5 | None | NI | F− |
| 18 | 1 | 76 | F | Knee P | 40 | Distal femur, SC/1.70, 1.66, 1.56 | NI | F− |
| 19 | 1 | 70 | M | Knee P | 5 | None | NI | B − |
| 20 | 1 | 52 | F | Hip P | 20 | None | NI, PL | B −, no inflammatory cells |
| 21 | 1 | 67 | M | Knee P | >10 | Internal ST, SC/3.02, 2.66, 2.76 | I | B + (1) |
| 22 | 2 | 68 | M | Pertroch fr, FD | <5 | None | NI | FD ablation: B −, histo nl |
| 23 | 1 | 37 | F | Ankle arthrodesis | 42 | Left ankle/3.08, 3.66, 2.64 | I | B + (1) |
| 24 | 2 | 40 | F | Ankle arthrodesis | Ankle/1.84, 2.36, 2.04 | NI, Ps | B −, Ps | |
| 25 | 2 | 59 | F | Knee P | <5 | SC, condyle/2.36, ND, ND | NI, PL | F− |
| 26 | 1 | 76 | F | Knee P | 30 | Peri-P tibia, SC/2.01, 2.13, 1.88 | I | B + (3), no PL |
| 27 | 2 | 74 | M | Knee P | 11 | Condyl, tibial plates, SC/2.14, 1.95, 2.24 | NI, PL | B −, histiocytes, giant cells, osseous necrosis, synovial hyperplasia |
↵* fr = fracture; FD = fixation devices; P = prosthesis; pertroch = pertrochanteric; troch = trochanter.
↵† Troch = trochanter; SC = synovial cavity; P = prosthesis; ST = soft tissue; fr = fracture; ND = not determined.
↵‡ I = infection; NI = no infection; PL = prosthetic loosening; Ps = pseudoarthrosis.
↵§ B = bacteriology; + = positive; − = negative; (1) = Staphylococcus aureus; (2) = Streptococcus constellatus; (3) = Streptococcus β-hemolytic; (4) = Streptococcus mitis; PL = prosthetic loosening; Ps = prosthesis; F = follow-up; FD = fixation devices; histo nl = histologically normal.