Xradiologist

Anterior Mediastinal Space
< 35 mm

Aorta (Abdominal) Outer Wall Diameter
< 30 mm

Aorta (Thoracic) Outer Wall Diameter
< 35 mm

Aorta requiring surgical consultation
> 55 mm

Appendix Diameter
< 7 mm

Bile ducts
Intrahepatic < 2 mm
Common < 6 mm (add 1mm per 10 years starting at age 60)
Common bile duct if post cholecystectomy < 10 mm

Bladder Wall Thickness
< 3 mm

Cecum Diameter
< 10 cm

Endometrial Thickness
premenopausal <16 mm (correlate with cycle)
premenopausal s/p D&C or spontaneous abortion < 5 mm
postmenopausal (+) bleeding (-) HRT or Tamoxifen < 8 mm
postmenopausal (-) bleeding (-) HRT or Tamoxifen < 11 mm
postmenopausal (-) bleeding (+) HRT < 8 mm
postmenopausal (-) bleeding (+) Tamoxifen < 6 mm

Esophagus Wall Diameter
< 3 mm

Gall Bladder Transverse Diameter
< 5 cm

Gall Bladder Wall Thickness
< 3 mm

Kidney Length
10-13 cm

Kidney Cortical Thickness
> 1 cm

Large Bowel Diameter
< 80 mm

Liver Superior to Inferior in Mid-clavicular Line
< 17 cm

Mesenteric Vein Diameter
<10 mm

Pancreatic duct
Head < 3.5 mm
Body < 2.5 mm
Tail < 1.5 mm

Portal Vein Diameter
<13 mm

Pulmonary Artery Diameter
< 27 mm

Pulmonary Trunk Diameter
< 30 mm

Pylorus
< 3 mm Muscular Wall Thickness
<14 mm Length

Small Bowel Diameter
< 30 mm

Spleen
< 13 cm

Splenic Vein Diameter
< 10 mm

Testicles
2-3 cm in width
3-5 cm in length

Thyroid
4-6 cm in length
< 2 cm in AP and Transverse diameter

Thyroid Isthmus
< 3mm in AP diameter

Ovaries Diameter
< 5 cm