From: Peri-operative chemotherapy in the management of resectable colorectal cancer pulmonary metastases
PET positive | PET negative | No PET done | |
---|---|---|---|
n (%) | n (%) | n (%) | |
Patients* | 39 (81) | 8 (18) | 6 (12) |
Resections | 48 (86) | 8 (14) | 16 (22) |
Timing of pre-thoracotomy PET | |||
Before neoadjuvant chemotherapy | 16 | 3 | - |
After neoadjuvant chemotherapy | 12 | 1 | - |
No neoadjuvant chemotherapy | 20 | 4 | - |
CT identified metastases | |||
Median number (range) | 1 (1–6) | 2 (1–3) | 2 (1–11) |
PET identified metastases | |||
Median number FDG avid (range) | 1(1–6) | - | - |
Histologically identified metastases # | |||
Median number (range) | 1 (1–6) | 2 (1–4) | 1 (1–12) |
Median size of largest nodule (range) | 15 mm (5–60) | 8 mm (3–15) | 15 mm (2–25) |
Concordance rates on number of metastases + | |||
CT + PET | 34 (71) | - | - |
CT + Histology | 28 (61) | 4 (50) | 10 (71) |
PET + Histology | 33 (72) | - | - |
CT + PET + Histology | 26 (57) | - | - |