Pediatrics
Ultrasound
Appendix Diameter (AP)
3.9 (±0.8) mm
Normal Value
Pediatric
Patient Group
Range: 2.1–6.4 mm; ULN (Mean + 2SD): 5.5 mm
Appendix Diameter (Left to Right)
5.6 (±1.1) mm
Normal Value
Pediatric
Patient Group
Range: 2.8–8.5 mm; ULN (Mean + 2SD): 7.8 mm
Appendix Diameter (AP with Compression)
3.8 (±0.9) mm
Normal Value
Pediatric
Patient Group
Range: 1.6–6.4 mm; ULN (Mean + 2SD): 5.6 mm
Appendix Diameter (Left to Right with Compression)
5.7 (±1.1) mm
Normal Value
Pediatric
Patient Group
Range: 2.4–8.5 mm; ULN (Mean + 2SD): 7.9 mm
Appendix Mural Thickness
1.8 (±0.6) mm
Normal Value
Pediatric
Patient Group
Range: 1.1–2.7 mm; ULN (Mean + 2SD): 3.0 mm
Cecum Wall Thickness
1.1 ± 0.2
Normal Value
0-4 years
Patient Group
Cecum Wall Thickness
1.2 ± 0.1
Normal Value
5-9 years
Patient Group
Cecum Wall Thickness
1.4 ± 0.2
Normal Value
10-14 years
Patient Group
Cecum Wall Thickness
1.6 ± 0.2
Normal Value
15-19 years
Patient Group
Ascending Colon Wall Thickness
1.1 ± 0.2
Normal Value
0-4 years
Patient Group
Ascending Colon Wall Thickness
1.2 ± 0.2
Normal Value
5-9 years
Patient Group
Ascending Colon Wall Thickness
1.3 ± 0.3
Normal Value
10-14 years
Patient Group
Ascending Colon Wall Thickness
1.4 ± 0.2
Normal Value
15-19 years
Patient Group
Transverse Colon Wall Thickness
1.0 ± 0.2
Normal Value
0-4 years
Patient Group
Transverse Colon Wall Thickness
1.2 ± 0.2
Normal Value
5-9 years
Patient Group
Transverse Colon Wall Thickness
1.3 ± 0.3
Normal Value
10-14 years
Patient Group
Transverse Colon Wall Thickness
1.4 ± 0.2
Normal Value
15-19 years
Patient Group
Descending Colon Wall Thickness
1.1 ± 0.2
Normal Value
0-4 years
Patient Group
Descending Colon Wall Thickness
1.2 ± 0.2
Normal Value
5-9 years
Patient Group
Descending Colon Wall Thickness
1.3 ± 0.2
Normal Value
10-14 years
Patient Group
Descending Colon Wall Thickness
1.4 ± 0.2
Normal Value
15-19 years
Patient Group
Common Bile Duct Diameter
0.7 mm
Normal Value
0 years
Patient Group
95% CI: 0.2 - 1.6 mm
Common Bile Duct Diameter
1.2 mm
Normal Value
1 year
Patient Group
95% CI: 0.2 - 1.7 mm
Common Bile Duct Diameter
1.0 mm
Normal Value
2 years
Patient Group
95% CI: 0.3 - 1.8 mm
Common Bile Duct Diameter
1.3 mm
Normal Value
3 years
Patient Group
95% CI: 0.3 - 1.9 mm
Common Bile Duct Diameter
1.1 mm
Normal Value
4 years
Patient Group
95% CI: 0.4 - 2.0 mm
Common Bile Duct Diameter
0.8 mm
Normal Value
5 years
Patient Group
95% CI: 0.5 - 2.1 mm
Common Bile Duct Diameter
1.2 mm
Normal Value
6 years
Patient Group
95% CI: 0.5 - 2.2 mm
Common Bile Duct Diameter
1.3 mm
Normal Value
7 years
Patient Group
95% CI: 0.6 - 2.3 mm
Common Bile Duct Diameter
1.5 mm
Normal Value
8 years
Patient Group
95% CI: 0.6 - 2.4 mm
Common Bile Duct Diameter
1.9 mm
Normal Value
9 years
Patient Group
95% CI: 0.7 - 2.5 mm
Common Bile Duct Diameter
1.7 mm
Normal Value
10 years
Patient Group
95% CI: 0.7 - 2.6 mm
Common Bile Duct Diameter
1.7 mm
Normal Value
11 years
Patient Group
95% CI: 0.8 - 2.7 mm
Common Bile Duct Diameter
1.9 mm
Normal Value
12 years
Patient Group
95% CI: 0.8 - 2.8 mm
Gallbladder Volume (Term)
1.1 mL
Normal Value
At birth
Patient Group
Range: 0.2 – 2.4 mL
Gallbladder Volume (Preterm)
0.7 mL
Normal Value
At birth
Patient Group
Range: 0.1 – 1.2 mL
Gallbladder Volume (Term)
1.0 mL
Normal Value
6 hours after birth
Patient Group
Range: 0.2 – 2.2 mL
Gallbladder Volume (Preterm)
0.6 mL
Normal Value
6 hours after birth
Patient Group
Range: 0.1 – 1.5 mL
Gallbladder Volume (Term)
0.08 mL
Normal Value
3-hours fasting
Patient Group
Range: 0 – 0.2 mL
Gallbladder Volume (Preterm)
0.08 mL
Normal Value
3-hours fasting
Patient Group
Range: 0 – 0.2 mL
Gallbladder Volume (Term)
0.7 mL
Normal Value
6-hours fasting
Patient Group
Range: 0.1 – 1.3 mL
Gallbladder Volume (Preterm)
0.3 mL
Normal Value
6-hours fasting
Patient Group
Range: 0.1 – 0.9 mL
Kidney Length
4.5 (±0.3) cm
Normal Value
0–1 week
Patient Group
Kidney Length
5.3 (±0.7) cm
Normal Value
1 week–4 months
Patient Group
Kidney Length
6.2 (±0.7) cm
Normal Value
4–8 months
Patient Group
Kidney Length
6.2 (±0.6) cm
Normal Value
8–12 months
Patient Group
Kidney Length
6.6 (±0.5) cm
Normal Value
1–2 years
Patient Group
Kidney Length
7.4 (±0.5) cm
Normal Value
2–3 years
Patient Group
Kidney Length
7.4 (±0.6) cm
Normal Value
3–4 years
Patient Group
Kidney Length
7.9 (±0.5) cm
Normal Value
4–5 years
Patient Group
Kidney Length
8.1 (±0.5) cm
Normal Value
5–6 years
Patient Group
Kidney Length
7.8 (±0.7) cm
Normal Value
6–7 years
Patient Group
Kidney Length
8.3 (±0.5) cm
Normal Value
7–8 years
Patient Group
Kidney Length
8.9 (±0.9) cm
Normal Value
8–9 years
Patient Group
Kidney Length
9.2 (±0.9) cm
Normal Value
9–10 years
Patient Group
Kidney Length
9.2 (±0.8) cm
Normal Value
10–11 years
Patient Group
Kidney Length
9.6 (±0.6) cm
Normal Value
11–12 years
Patient Group
Kidney Length
10.4 (±0.9) cm
Normal Value
12–13 years
Patient Group
Kidney Length
9.8 (±0.8) cm
Normal Value
13–14 years
Patient Group
Kidney Length
10.0 (±0.6) cm
Normal Value
14–15 years
Patient Group
Kidney Length
11.0 (±0.8) cm
Normal Value
15–16 years
Patient Group
Kidney Length
10.0 (±0.9) cm
Normal Value
16–17 years
Patient Group
Kidney Length
10.5 (±0.3) cm
Normal Value
17–18 years
Patient Group
Kidney Length
10.8 (±1.1) cm
Normal Value
18–19 years
Patient Group
Kidney Length (Neonate)
3.3 (±0.4) cm
Normal Value
GA: 24–31 weeks
Patient Group
Range: 2.5–4.0 cm
Kidney Length (Neonate)
3.6 (±0.4) cm
Normal Value
GA: 32–35 weeks
Patient Group
Range: 2.5–4.6 cm
Kidney Length (Neonate)
4.1 (±0.4) cm
Normal Value
GA: 36–37 weeks
Patient Group
Range: 3.0–4.9 cm
Kidney Length (Neonate)
4.1 (±0.4) cm
Normal Value
GA: 38–41 weeks
Patient Group
Range: 2.6–5.2 cm
Portal Vein PSV (cm/s)
27
Normal Value
≤ 2 years
Patient Group
Range: 15–41 cm/s
Portal Vein PSV (cm/s)
26
Normal Value
2–12 years
Patient Group
Range: 12–39 cm/s
Portal Vein PSV (cm/s)
26
Normal Value
> 12 years
Patient Group
Range: 15–49 cm/s
Portal Vein PSV (cm/s)
26
Normal Value
Overall
Patient Group
Range: 14–41 cm/s
Hepatic Artery PSV (cm/s)
60
Normal Value
≤ 2 years
Patient Group
Range: 30–123 cm/s
Hepatic Artery PSV (cm/s)
58
Normal Value
2–12 years
Patient Group
Range: 22–90 cm/s
Hepatic Artery PSV (cm/s)
46
Normal Value
> 12 years
Patient Group
Range: 25–108 cm/s
Hepatic Artery PSV (cm/s)
55
Normal Value
Overall
Patient Group
Range: 23–116 cm/s
Hepatic Artery RI
0.74
Normal Value
≤ 2 years
Patient Group
Range: 0.55–0.89
Hepatic Artery RI
0.73
Normal Value
2–12 years
Patient Group
Range: 0.64–0.86
Hepatic Artery RI
0.70
Normal Value
> 12 years
Patient Group
Range: 0.55–0.81
Hepatic Artery RI
0.72
Normal Value
Overall
Patient Group
Range: 0.57–0.86
Liver Length
6.4 cm
Normal Value
0–0.25 years
Patient Group
Range: 4.0-9.0 cm; SD: 1.0 cm
Liver Length
7.3 cm
Normal Value
0.25–0.5 years
Patient Group
Range: 4.5-9.5 cm; SD: 1.1 cm
Liver Length
7.9 cm
Normal Value
0.5–0.75 years
Patient Group
Range: 6.0-10.0 cm; SD: 0.8 cm
Liver Length
8.5 cm
Normal Value
1–2.5 years
Patient Group
Range: 6.5-10.5 cm; SD: 1.0 cm
Liver Length
8.6 cm
Normal Value
3–5 years
Patient Group
Range: 6.5-11.5 cm; SD: 1.2 cm
Liver Length
10.0 cm
Normal Value
5–7 years
Patient Group
Range: 7.0-12.5 cm; SD: 1.4 cm
Liver Length
10.5 cm
Normal Value
7–9 years
Patient Group
Range: 7.5-13.0 cm; SD: 1.1 cm
Liver Length
10.5 cm
Normal Value
9–11 years
Patient Group
Range: 7.5-13.5 cm; SD: 1.2 cm
Liver Length
11.5 cm
Normal Value
11–13 years
Patient Group
Range: 8.5-14.0 cm; SD: 1.4 cm
Liver Length
11.8 cm
Normal Value
13–15 years
Patient Group
Range: 8.5-14.0 cm; SD: 1.5 cm
Liver Length
12.1 cm
Normal Value
15–17 years
Patient Group
Range: 9.5-14.5 cm; SD: 1.2 cm
Mesenteric LN Threshold
≥ 5 mm
Normal Value
Pediatric
Patient Group
False-Positive Rate: 54%, Num Enlarged LNs: 33
Mesenteric LN Threshold
> 6 mm
Normal Value
Pediatric
Patient Group
False-Positive Rate: 30%, Num Enlarged LNs: 18
Mesenteric LN Threshold
> 7 mm
Normal Value
Pediatric
Patient Group
False-Positive Rate: 13%, Num Enlarged LNs: 8
Mesenteric LN Threshold
> 8 mm
Normal Value
Pediatric
Patient Group
False-Positive Rate: 5%, Num Enlarged LNs: 3
Mesenteric LN Threshold
> 9 mm
Normal Value
Pediatric
Patient Group
False-Positive Rate: 5%, Num Enlarged LNs: 3
Mesenteric LN Threshold
> 10 mm
Normal Value
Pediatric
Patient Group
False-Positive Rate: 0%, Num Enlarged LNs: 0
Ovarian Volume
0.5 mL
Normal Value
01 month
Patient Group
SD: 0.4 mL
Ovarian Volume
0.4 mL
Normal Value
03 months
Patient Group
SD: 0.1 mL
Ovarian Volume
0.5 mL
Normal Value
01 year
Patient Group
SD: 0.2 mL
Ovarian Volume
0.7 mL
Normal Value
03 years
Patient Group
SD: 0.4 mL
Ovarian Volume
0.7 mL
Normal Value
05 years
Patient Group
SD: 0.5 mL
Ovarian Volume
0.8 mL
Normal Value
07 years
Patient Group
SD: 0.6 mL
Ovarian Volume
0.6 mL
Normal Value
09 years
Patient Group
SD: 0.4 mL
Ovarian Volume
1.3 mL
Normal Value
11 years
Patient Group
SD: 1.0 mL
Ovarian Volume
3.7 mL
Normal Value
13 years
Patient Group
SD: 2.1 mL
Ovarian Volume
6.7 mL
Normal Value
15 years
Patient Group
SD: 4.8 mL
Pancreas Head Diameter
1.0 (±0.4) cm
Normal Value
Newborn infants
Patient Group
Pancreas Body Diameter
0.6 (±0.2) cm
Normal Value
Newborn infants
Patient Group
Pancreas Tail Diameter
1.0 (±0.4) cm
Normal Value
Newborn infants
Patient Group
Pancreas Head Diameter
1.5 (±0.5) cm
Normal Value
1 month – 1 year
Patient Group
Pancreas Body Diameter
0.8 (±0.3) cm
Normal Value
1 month – 1 year
Patient Group
Pancreas Tail Diameter
1.2 (±0.4) cm
Normal Value
1 month – 1 year
Patient Group
Pancreas Head Diameter
1.7 (±0.3) cm
Normal Value
1 – 5 years
Patient Group
Pancreas Body Diameter
1.0 (±0.2) cm
Normal Value
1 – 5 years
Patient Group
Pancreas Tail Diameter
1.8 (±0.4) cm
Normal Value
1 – 5 years
Patient Group
Pancreas Head Diameter
1.6 (±0.4) cm
Normal Value
5 – 10 years
Patient Group
Pancreas Body Diameter
1.0 (±0.3) cm
Normal Value
5 – 10 years
Patient Group
Pancreas Tail Diameter
1.8 (±0.4) cm
Normal Value
5 – 10 years
Patient Group
Pancreas Head Diameter
2.0 (±0.5) cm
Normal Value
10 – 19 years
Patient Group
Pancreas Body Diameter
1.1 (±0.3) cm
Normal Value
10 – 19 years
Patient Group
Pancreas Tail Diameter
2.0 (±0.4) cm
Normal Value
10 – 19 years
Patient Group
Jejunum Wall Thickness
0.7 ± 0.1 mm
Normal Value
0-4 years
Patient Group
Jejunum Wall Thickness
0.8 ± 0.1 mm
Normal Value
5-9 years
Patient Group
Jejunum Wall Thickness
0.8 ± 0.1 mm
Normal Value
10-14 years
Patient Group
Jejunum Wall Thickness
0.9 ± 0.1 mm
Normal Value
15-19 years
Patient Group
Ileum Wall Thickness
0.8 ± 0.1 mm
Normal Value
0-4 years
Patient Group
Ileum Wall Thickness
0.9 ± 0.1 mm
Normal Value
5-9 years
Patient Group
Ileum Wall Thickness
1.0 ± 0.2 mm
Normal Value
10-14 years
Patient Group
Ileum Wall Thickness
1.1 ± 0.1 mm
Normal Value
15-19 years
Patient Group
Spleen Length (Female)
4.4 (±0.57) cm
Normal Value
0–3 mo
Patient Group
Range: 3.2–5.5 cm, N=22
Spleen Length (Male)
4.6 (±0.84) cm
Normal Value
0–3 mo
Patient Group
Range: 2.8–6.8 cm, N=35
Spleen Length (Female)
5.2 (±0.47) cm
Normal Value
3–6 mo
Patient Group
Range: 4.5–5.6 cm, N=6
Spleen Length (Male)
5.8 (±0.65) cm
Normal Value
3–6 mo
Patient Group
Range: 4.9–7.0 cm, N=10
Spleen Length (Female)
6.3 (±0.68) cm
Normal Value
6–12 mo
Patient Group
Range: 5.1–7.5 cm, N=15
Spleen Length (Male)
6.4 (±0.78) cm
Normal Value
6–12 mo
Patient Group
Range: 5.4–7.4 cm, N=12
Spleen Length (Female)
6.3 (±0.69) cm
Normal Value
1–2 y
Patient Group
Range: 5.1–8.2 cm, N=18
Spleen Length (Male)
6.8 (±0.72) cm
Normal Value
1–2 y
Patient Group
Range: 5.6–8.3 cm, N=17
Spleen Length (Female)
7.5 (±0.83) cm
Normal Value
2–4 y
Patient Group
Range: 5.7–8.9 cm, N=24
Spleen Length (Male)
7.6 (±1.07) cm
Normal Value
2–4 y
Patient Group
Range: 5.9–9.9 cm, N=22
Spleen Length (Female)
8.0 (±0.74) cm
Normal Value
4–6 y
Patient Group
Range: 6.7–9.5 cm, N=36
Spleen Length (Male)
8.1 (±1.01) cm
Normal Value
4–6 y
Patient Group
Range: 6.4–9.9 cm, N=18
Spleen Length (Female)
8.2 (±0.99) cm
Normal Value
6–8 y
Patient Group
Range: 6.6–10.0 cm, N=25
Spleen Length (Male)
8.9 (±0.91) cm
Normal Value
6–8 y
Patient Group
Range: 7.4–10.5 cm, N=26
Spleen Length (Female)
8.7 (±0.92) cm
Normal Value
8–10 y
Patient Group
Range: 6.4–10.5 cm, N=26
Spleen Length (Male)
9.0 (±1.02) cm
Normal Value
8–10 y
Patient Group
Range: 7.4–11.2 cm, N=15
Spleen Length (Female)
9.1 (±1.09) cm
Normal Value
10–12 y
Patient Group
Range: 6.8–11.4 cm, N=34
Spleen Length (Male)
9.8 (±1.05) cm
Normal Value
10–12 y
Patient Group
Range: 7.3–11.3 cm, N=19
Spleen Length (Female)
9.8 (±1.02) cm
Normal Value
12–14 y
Patient Group
Range: 7.9–11.6 cm, N=30
Spleen Length (Male)
10.2 (±0.81) cm
Normal Value
12–14 y
Patient Group
Range: 8.5–11.7 cm, N=18
Spleen Length (Female)
10.3 (±0.69) cm
Normal Value
14–17 y
Patient Group
Range: 8.7–11.0 cm, N=13
Spleen Length (Male)
10.7 (±0.90) cm
Normal Value
14–17 y
Patient Group
Range: 9.5–12.5 cm, N=13
Testicular Volume
0.30 (±0.10) mL
Normal Value
1 month
Patient Group
Testicular Volume
0.36 (±0.10) mL
Normal Value
3 months
Patient Group
Testicular Volume
0.39 (±0.10) mL
Normal Value
5 months
Patient Group
Testicular Volume
0.32 (±0.10) mL
Normal Value
7 months
Patient Group
Testicular Volume
0.31 (±0.10) mL
Normal Value
9 months
Patient Group
Testicular Volume
0.30 (±0.10) mL
Normal Value
11 months
Patient Group
Testicular Volume
0.31 (±0.10) mL
Normal Value
2 years
Patient Group
Testicular Volume
0.31 (±0.10) mL
Normal Value
6 years
Patient Group
Thyroid Volume (Boys)
1.6 mL
Normal Value
Newborns
Patient Group
Upper Limit: 2.4 mL
Thyroid Volume (Girls)
2.5 mL
Normal Value
Newborns
Patient Group
Thyroid Volume (Boys)
2.0 mL
Normal Value
2 Years
Patient Group
Upper Limit: 3.0 mL
Thyroid Volume (Girls)
3.0 mL
Normal Value
2 Years
Patient Group
Thyroid Volume (Boys)
2.9 mL
Normal Value
4 Years
Patient Group
Upper Limit: 5.5 mL
Thyroid Volume (Girls)
5.1 mL
Normal Value
4 Years
Patient Group
Thyroid Volume (Boys)
3.3 mL
Normal Value
6 Years
Patient Group
Upper Limit: 5.9 mL
Thyroid Volume (Girls)
5.5 mL
Normal Value
6 Years
Patient Group
Thyroid Volume (Boys)
3.7 mL
Normal Value
7 Years
Patient Group
Upper Limit: 6.2 mL
Thyroid Volume (Girls)
6.4 mL
Normal Value
7 Years
Patient Group
Thyroid Volume (Boys)
4.1 mL
Normal Value
8 Years
Patient Group
Upper Limit: 6.7 mL
Thyroid Volume (Girls)
7.5 mL
Normal Value
8 Years
Patient Group
Thyroid Volume (Boys)
4.7 mL
Normal Value
9 Years
Patient Group
Upper Limit: 7.4 mL
Thyroid Volume (Girls)
8.7 mL
Normal Value
9 Years
Patient Group
Thyroid Volume (Boys)
5.2 mL
Normal Value
10 Years
Patient Group
Upper Limit: 8.5 mL
Thyroid Volume (Girls)
10.0 mL
Normal Value
10 Years
Patient Group
Thyroid Volume (Girls)
5.8 mL
Normal Value
11 Years
Patient Group
Upper Limit: 11.4 mL
Thyroid Volume (Girls)
6.6 mL
Normal Value
12 Years
Patient Group
Upper Limit: 12.8 mL
Thyroid Volume (Girls)
7.4 mL
Normal Value
13 Years
Patient Group
Upper Limit: 14.3 mL
Thyroid Volume (Girls)
8.2 mL
Normal Value
14 Years
Patient Group
Upper Limit: 15.9 mL
Thyroid Volume (Boys)
9.1 mL
Normal Value
15 Years
Patient Group
Upper Limit: 17.5 mL
Thyroid Volume (Girls)
17.6 mL
Normal Value
15 Years
Patient Group
Uterus Volume
3.4 (±1.2) mL
Normal Value
01 month
Patient Group
N=15
Uterus Volume
0.9 (±0.2) mL
Normal Value
03 months
Patient Group
N=7
Uterus Volume
1.0 (±0.2) mL
Normal Value
01 year
Patient Group
N=19
Uterus Volume
1.0 (±0.3) mL
Normal Value
03 years
Patient Group
N=26
Uterus Volume
1.0 (±0.3) mL
Normal Value
05 years
Patient Group
N=26
Uterus Volume
0.9 (±0.3) mL
Normal Value
07 years
Patient Group
N=28
Uterus Volume
1.3 (±0.4) mL
Normal Value
09 years
Patient Group
N=18
Uterus Volume
1.9 (±0.9) mL
Normal Value
11 years
Patient Group
N=16
Uterus Volume
11.0 (±10.5) mL
Normal Value
13 years
Patient Group
N=8
Uterus Volume
21.2 (±13.5) mL
Normal Value
15 years
Patient Group
N=15