Role of 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in the Diagnosis of Newly Found Suspected Malignant Solitary Pulmonary Lesions in Patients Who Have Received Curative Treatment for Colorectal Cancer
Table 1
Patient characteristics.
Variable
N
%
Gender
Male
31
63.3
Female
18
37.7
Administered activity of tracer, MBq (mCi), median (range)
311 (196–426), 8.4 (5.5–11.7)
Age, years, median (range)
62 (43–77)
Primary tumor site
Colon
21
42.9
Rectum
28
57.1
T stage
T1
1
2.0
T2
5
10.2
T3
6
12.2
T4
37
75.5
N stage
N0
35
71.4
N1
10
20.4
N2
4
8.2
Pathological stage
I
6
12.2
II
28
57.1
III
11
22.4
IV
4
8.2
Treatment
Adjuvant chemotherapy
Yes
38
77.6
No
11
22.4
Adjuvant radiotherapy
Yes
7
14.3
No
42
85.7
Time since surgery, months, median (range)
30 (3–235)
All 4 patients had stage IVA disease with liver metastasis and had received curative treatment.
