Table 1 Baseline characteristics of patients included in the study.
From: Detection of primary sites in unknown primary tumors using FDG-PET or FDG-PET/CT
Variables | n = 20 |
|---|---|
Sex, male/female | 9/11 |
Age, median (range) | 54 (20-74) |
Mean follow-up duration (months) | 26.5 |
Site of metastases | Â |
   Cervical LN | 6 |
   Extracervical LN (abdominal LN, axillary LN) | 5 (3, 2) |
   Bone | 4 |
   Brain | 1 |
   Others* | 4 |
Pathologic type | Â |
   Poorly differentiated carcinoma | 11 |
   Adenocarcinoma | 4 |
   Squamous cell carcinoma | 2 |
   Signet ring cell carcinoma | 2 |
   Leiomyosarcoma | 1 |