TABLE 1

Characteristics of the 20 Patients

ParameterValue
Male (%)70
Mean age (y)63.4 (range, 44.3–77.8)
Mean body mass (kg)78.2 (SD, 15.1)
Mean body mass index (kg/m2)26.0 (SD, 5.3)
Mean mass activity (MBq/kg)3.32 (SD, 0.42)*
Median serum glucose level (mmol/L)5.3 (range, 4.5–7.7)
Location (%)
 Right upper lobe50
 Right middle lobe5
 Right lower lobe0
 Left upper lobe35
 Left lower lobe10
Treatment (%)
 Lobectomy, R085
 Pneumonectomy, R015
Histology (%)
 Squamous cell carcinoma60
 Adenocarcinoma30
  No mucinous differentiation20
  Partially mucinous5
  Mucinous differentiation5
 Sarcomatoid pleiomorph carcinoma5
 Neuroendocrine carcinoma5
Differentiation (%)
 Poor55
 Moderate30
 Unknown15
Mean histologic tumor diameter (mm)52.3 (range, 15.0–85.0)†
TNM classification (%)
 T2N0M0 (stage IB)30
 T3N0M0 (stage IIB)30
 T2N1M0 (stage IIB)40

  • R0 = resection margins free of tumor.

  • ↵* P = 0.193 for 2-tailed 1-sample t test compared with reference mass activity of 3.45 MBq/kg.

  • ↵† One lesion was smaller than 30 mm at final histology but was larger than 30 mm at CT because of surrounding organizing pneumonia.