Hepatology Textbook and Atlas

pp 217-222

Hepatomegaly and splenomegaly

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Hepatomegaly is present if (1.) palpation locates the lower border of the right lobe of liver to be more than 2 cm (one to two finger breadths) below the left costal arch (MCL lateral to rectus abdominis) (caution: phrenoptosis), (2.) the absolute liver dullness on percussion is more than 14 cm, or (3.) the longitudinal diameter of the liver in the MCL is greater than approximately 15 cm in the sonogram.