ACR TI-RADS White Paper 2017
SRU Consensus Simple Ovarian Cyst Radiology 2019
Sonography Renovascular Hypertension 2002
US – Carotid Stenosis PSV Values 2003
Umbilical Artery Doppler Calculator

1st Trimester Pregnancy
Splenomegaly
- Normal spleen in adult measures up to 12 cm; enlarged if it is 13 cm or longer
- Splenic Index: Normally 120-480 cm³ (product of Length, Width & Thickness of spleen)
- In children, splenomegaly should be suspected if the spleen is more than 1.25x longer than the adjacent kidney
- Splenic Volume (prolate spheroid): 0.524 x Width x Thickness x (Maximum Length x Craniocaudal length) / 2 . Normal splenic volume is approximately 26-250 cm³ (Loftus et al)
