Table 1 Distribution and clinical features of soft tissue metastasis of 9 included patients
From: Prevalence and patterns of soft tissue metastasis: detection with true whole-body F-18 FDG PET/CT
Patient no. | Gender; age (y) | Cancer type; initial staging | Location, size/grading of primary lesion | Inside LWB – Sq | Outside LWB – Sq | Inside LWB – Sm | Outside LWB – Sm | Months from initial Dx to Dx of STM | Months of survival | Type of follow-up |
|---|---|---|---|---|---|---|---|---|---|---|
1 | M; 35 | Melanoma; III | Left scalp, 4.3 mm† | 1: lt post-auricular* | 0 | 0 | 0 | 3 | DOD, 25 | B |
2 | M; 71 | Melanoma; III | Left upper arm, size n/a | 10: lt shoulder, abdomen, back, pelvis, lt thigh | 2: lt elbow, lt thigh | 2: rt shoulder, rt thigh | 7: rt thigh, lt thigh, lt lower leg | 48 | DOD, 56 | B |
3 | M; 70 | Melanoma, spindle type; IV | Right anterior chest, 1.4 mm† | 1: lt face | 1: lt parietal skin | 0 | 0 | 48 | DOD, 53 | B |
4 | M; 76 | Melanoma; III | Right thigh, 4.8 mm† | 0 | 1: rt thigh* | 0 | 0 | 4 | DOD, 7 | B |
5 | F; 65 | Lung cancer, squamous ; IV | Left lung, 5.5 cm | 0 | 0 | 1: rt paraspinal | 0 | 6 | DOD, 7 | C |
6 | M; 44 | Lung cancer, non-small cell with squamoid features; IV | Left lung, 3.8 cm | 0 | 1: lt thigh | 2: rt shoulder, lt thigh | 0 | 1 | DOD, 9 | C |
7 | F; 64 | Lymphoma, follicular cell; IV | Widespread tumor, grade II/III | 1: rt chest | 0 | 0 | 0 | 1 | NED, 29 | P |
8 | F; 56 | Lymphoma, diffuse large B-cell, anaplastic variant; II | Left groin 5.1 cm; retroperitoneum, 4.5 cm | 0 | 1: rt elbow | 1: rt thigh | 3: rt thigh, lt thigh | 7 | n/a | C |
9 | M; 63 | Esophagealcancer, adenocarcinoma; staging n/a | Size n/a | 0 | 0 | 3: lt arm, lt pelvis | 3: lt thigh, rt calf, lt calf | 12 | DOD, 13 | C |
Total lesion number | 13 | 6 | 9 | 13 | ||||||
SUVmax | 5.5 ± 2.8 (1.5 – 9.6); all higher than liver uptake | 8.9 ± 12.6 (1.0 – 37); 3/6 higher than liver uptake | 5.8 ± 3.0 (2.2 – 10); all higher than liver uptake | 3.4 ± 2.5 (0.9 – 8.4); 11/13 higher than liver uptake | ||||||
CT appearance | 13/13 hyperdense | 6/6 hyperdense | 4/9 isodense, 5/9 hypodense | 8/13 isodense, 5/13 hypodense | ||||||
Lesion size | 8/13, < 1.5 cm; 5/13, 1.5 – 1.8 cm | 4/6, < 1.5 cm; 2/6, 1.5 – 1.8 cm | 1/9, < 1.5 cm; 8/9, 2.5 – 2.8 cm | 7/13, < 1.5 cm; 6/13, 1.5 – 9 cm |