Table 1 Demographic data of study subjects and morphological data of accessory spleens and pNETs (values are given as mean ± standard deviation and range) for the entire cohort of patients (43 accessory spleens, 7 IPAS and 9 pNET).

From: Impact of PET data driven respiratory motion correction and BSREM reconstruction of 68Ga-DOTATATE PET/CT for differentiating neuroendocrine tumors (NET) and intrapancreatic accessory spleens (IPAS)

Demographic data of subjects

  

BMI, kg/m2 (range)

26.8 ± 4.4 (20.1–36.6)

  

Injected tracer activity, MBq (range)

132.7 ± 20.9 (81.4–164.4)

Time per bed, s (range)

134.0 ± 21.7 (120.0–180.0)

Scan time post injection, min (range)

60.4 ± 6.2 (52.0–79.0)

Volume of the spleen, mL

174.9 ± 43.4 (81.0–296.0)

Lesion

Number, n (%)

Maximal diameter (mm)—CT

Volume (mm3)—CT

Accessory spleen—total

43 (100%)

13.5 ± 4.7 (6–31)

1477.3 ± 1807.9 (151–11,200)

Perisplenic

34 (79%)

13.8 ± 5.2 (6–31)

1636.1 ± 2054.8 (151–11,200)

Superior

0

Lateral

0

Inferior

3 (6.9%)

16.7 ± 4.1 (12–20)

2173.4 ± 1684.3 (630–3970)

Posterior

2 (4.6%)

11.5 (11–12)

754.5 (720–789)

Anterior

5 (11.6%)

10.8 ± 5.0 (6–18)

851.8 ± 927.7 (151–2420)

Medial

24 (55.8%)

14.2 ± 5.4 (9—31)

1805.8 ± 2322.2 (333–11,200)

Ectopic

9 (21%)

11.4 ± 3.8 (8–17)

877.2 ± 207.7 (367—1120)

Intrapancreatic

7 (16.3%)

12.3 ± 0.5 (12–13)

932.6 ± 89.9 (859–1120)

Splenic vessels

1 (2.3%)

17.0

1000.0

Colon wall

1 (2.3%)

8.0

367.0

pNET—total

9 (100%)

18.5 ± 3.9 (12–24)

2030.8 ± 977.7 (654–3540)