Sherren's triangle explained

Differential:	acute appendicitis

Sherren's triangle is an area of skin hyperaesthesia found in acute appendicitis. It was described by the English surgeon James Sherren.^[1] It is bounded by lines joining anterior superior iliac spine, the pubic tubercle and umbilicus.^[2]

it is regarded as a good guide in the diagnosis of gangrenous appendicitis

If this hyperasthesia disappear during the course of illness it indicates bursting of the gangrenous appendix.

References

3. A Mannual On CLINICAL SURGERY 10th ed (Simen Das)

Notes and References

1. Web site: Sherren's triangle . Whonamedit . 2011-12-20.
2. Web site: Sherrens of the World, Page 1 to 25 . Islandregister.com . 2011-12-20.