Table 3.
Organ systems and sites of disease involvement, detectable on PET, CT, or both for 50 patients
| PET or CT | PET and CT | PET only | CT only | |
|---|---|---|---|---|
| N total (% patients) | N total (% patients) | N total (% patients) | N total (% patients) | |
| Osseous | 39 (78%) | |||
| Clavicle | 4 (8%) | 2 (4%) | 2 (4%) | 0 (0%) |
| Scapula | 5 (10%) | 4 (8%) | 1 (2%) | 0 (0%) |
| Sternum | 5 (10%) | 4 (8%) | 1 (2%) | 0 (0%) |
| Arms | 17 (34%) | 17 (34%) | 0 (0%) | 0 (0%) |
| Pelvis | 17 (34%) | 11 (22%) | 5 (10%) | 1 (2%) |
| Legs | 38 (76%)* | 36 (72%) | 1 (2%) | 1 (2%) |
| Retroperitoneal | 19 (38%) | |||
| Adrenal | 9 (18%) | 9 (18%) | 0 (0%) | 0 (0%) |
| Perinephric soft tissue (hairy kidney) | 15 (30%) | 14 (28%) | 1 (2%) | 0 (0%) |
| Paranephric soft tissue | 10 (20%) | 8 (16%) | 1 (2%) | 1 (2%) |
| Hydronephrosis | 4 (8%) | 4 (8%) | 0 (0%) | 0 (0%) |
| Pancreas | 1 (2%) | 1 (2%) | 0 (0%) | 0 (0%) |
| Cardiac/vascular | 16 (32%) | |||
| Right atrium/septum | 8 (16%) | 4 (8%) | 4 (8%) | 0 (0%) |
| Pericardium | 1 (2%) | 1 (2%) | 0 (0%) | 0 (0%) |
| Peri-aortic infiltration of | ||||
| - Thoracic aorta | 12 (24%) | 6 (12%) | 6 (12%) | 0 (0%) |
| - Abdominal aorta | 7 (14%) | 2 (4%) | 5 (10%) | 0 (0%) |
| Coated aorta | 4 (8%) | 2 (4%) | 2 (4%) | 0 (0%) |
| Spine involvement | 15 (30%) | |||
| Spinal cord | 3 (6%) | 0 (0%) | 3 (6%) | 0 (0%) |
| Vertebral bodies | 10 (20%) | 9 (18%) | 1 (2%) | 0 (0%) |
| Epidural space | 6 (12%) | 1 (2%) | 5 (10%) | 0 (0%) |
| Others | 2 (4%) | 2 (4%) | 0 (0%) | 0 (0%) |
| Intracranial | 13 (26%) | |||
| Cerebral hemispheres | 6 (12%) | 3 (6%) | 3 (6%) | 0 (0%) |
| Cerebellum | 5 (10%) | 1 (2%) | 4 (8%) | 0 (0%) |
| Dura | 3 (6%) | 0 (0%) | 3 (6%) | 0 (0%) |
| Hypothalamus/pituitary/infundibulum | 5 (10%) | 4 (8%) | 1 (2%) | 0 (0%) |
| Pseudo-meningioma | 1 (2%) | 0 (0%) | 1 (2%) | 0 (0%) |
| Brainstem | 7 (14%) | 3 (6%) | 4 (8%) | 0 (0%) |
| Craniofacial | 12 (24%) | |||
| Orbital | 5 (10%) | 5 (10%) | 0 (0%) | 0 (0%) |
| Paranasal sinus | 9 (18%) | 9 (0%) | 0 (0%) | 0 (0%) |
| Reproductive organs** | 8 (16%) | |||
| Testes | 8 (16%)** | 1 (2%) | 7 (9%) | 0 (0%) |
| Lymph nodes | 8 (16%) | 6 (12%) | 2 (4%) | 0 (0%) |
| Skin or subcutaneous | 7 (14%) | 7 (14%) | 0 (0%) | 0 (0%) |
| Pulmonary | 5 (10%) | |||
| Pleural | 2 (4%) | 2 (4%) | 0 (0%) | 0 (0%) |
| Parenchymal mass | 2 (4%) | 2 (4%) | 0 (0%) | 0 (0%) |
| Larynx | 1 (2%) | 0 (0%) | 1 (2%) | 0 (0%) |
| GI tract | 4 (8%) | |||
| Upper tract | 1 (2%) | 1 (2%) | 0 (0%) | 0 (0%) |
| Omentum/peritoneum | 3 (6%) | 3 (6%) | 0 (0%) | 0 (0%) |
| Soft tissue | 3 (6%) | 3 (6%) | 0 (0%) | 0 (0%) |
| Others | 2 (4%) | 1 (2%) | 1 (2%) | 0 (0%) |
| Total lesions | 258 | 188 | 67 | 3 |
*76% out of entire cohort of 50 and 97% out of patients who had head to toe PET/CT
**16% out of entire cohort of 50 and 27% out of male patients