Left upper quadrant pain can be debilitating without treatment ... It usually occurs due to the weakening of the lower esophageal sphincter—the ring of muscle (valve) at the lower end of ...

This article reviews the causes of abdominal pain by quadrant (section or area), diagnosis, treatment, and when to see a healthcare provider. Common causes of abdominal pain include digestive issues, ...

The recognition and correct diagnosis of right lower quadrant pain is a subject of very great importance. Physicians from many different specialties may be called upon to make decisions in this ...

Legend: Site = site of the pain; WBC = white blood cell count prior to surgery; EA = Epiploic appendagitis; RLQ = right lower quadrant; LLQ = left lower quadrant; NPF = no pathological finding ...