A 22 year old man came with diffuse abdominal pain since three months
Ultrasonography of the abdomen shows an saccular-fusiform dilatation of the intrahepatic part of the portal vein measuring 14.7mm. Doppler demonstrates turbulent flow with the ‘yin-yang’ sign.
Yin and Yang (or Yinyang) is a core concept in Chinese philosophy representing complementary, interconnected, opposite forces which interact, interconnect, support and perpetuate each other. (like light/dark, male/female, active/passive)