Ladin's sign

Ladin's sign is a medical sign used in the diagnosis of appendicitis. It is named after Dr. Robert Ladin, who first described the sign in 1931.

Definition

Ladin's sign is defined as tenderness in the right lower quadrant of the abdomen that is elicited by palpation of the left lower quadrant. This is due to the fact that the peritoneum, the membrane that lines the abdominal cavity, is irritated by the inflamed appendix, causing pain in the right lower quadrant when the left lower quadrant is palpated.

Clinical significance

Ladin's sign is a useful diagnostic tool in the evaluation of patients with suspected appendicitis. However, it is not always present in patients with appendicitis, and it can also be present in other conditions such as pelvic inflammatory disease and ectopic pregnancy. Therefore, it should be used in conjunction with other clinical findings and diagnostic tests to confirm the diagnosis of appendicitis.

See also

• Rovsing's sign
• McBurney's point
• Psoas sign
• Obturator sign

References

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