Which condition is indicated by excruciating pain starting under the lower ribs and moving to the right lower quadrant?

The condition indicated by excruciating pain starting under the lower ribs and moving to the right lower quadrant is typically associated with a ureteral stone. The pain is often described as severe and can begin in the flank area, which is located beneath the lower ribs, before radiating to the lower abdomen and groin, including the right lower quadrant.

This pattern of pain is characteristic because the ureters, which transport urine from the kidneys to the bladder, can become obstructed by stones. As the stone moves through the urinary tract, it can cause intense pain due to irritation of the surrounding tissues, resulting in what is often referred to as "renal colic." The right lower quadrant pain can occur if the stone is located in the right ureter or if it has descended into the bladder.

Other conditions mentioned can also cause pain but have different clinical presentations and locations for the pain. For example, appendicitis typically presents with pain that begins around the umbilical area and then localizes to the right lower quadrant. Dysmenorrhea is associated with menstrual cramps and pelvic pain, whereas an ovarian cyst can cause localized discomfort but is usually not described as excruciating and does not follow the same radiating pattern as a ureter