Right upper quadrant (abdomen)

region of the abdomen

The right upper quadrant (RUQ), is an anatomical area of the human body, this area may also be called the epigastrium. The RUQ extends from the median plane to the right of the patient, and from the umbilical plane to the right ribcage. Pain localized in the RUQ may be a sign associated with various medical conditions:

  • Hepatomegaly - enlarged liver
  • Splenomegaly - enlarged spleen
    • Hepatosplenamegaly both liver and spleen enlarged
  • Gallstones
  • Pyloric stenosis
The area with red shading is the right upper quadrant (RUQ) of the abdomen.

Internal organs of the RUQ The rightupper quadrant contains all or part of the following internal organs: