McBurney's point is not labeled, but on the right side of the abdomen is halfway between the anterior superior iliac spine (labeled at lower right) and the umbilicus (not labeled, but easily visible at center.)
McBurney's point is the name given to the point over the right side of the human abdomen that is one-third the distance from the ASIS (anterior superior iliac spine) to the umbilicus. This point roughly corresponds to the most common location of the base of the appendix where it is attached to the cecum. Patients with acute appendicitis often have point tenderness at this location. Image File history File links Download high resolution version (428x650, 104 KB) Summary Licensing File links The following pages link to this file: McBurneys point Wikipedia:Grays Anatomy images with missing articles 25 Inguinal ligament List of images in Grays Anatomy: XII. Surface anatomy and Surface Markings... The anterior superior iliac spine (ASIS) is an important landmark of surface anatomy. ... An umbilicus which appears as a depression in the abdomen is referred to as an innie. The umbilicus (commonly called a navel, or belly or tummy button), is essentially a scar caused at birth by the removal of the umbilical cord from a newborn baby. ... Latin is an ancient Indo-European language originally spoken in the region around Rome called Latium. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo Elsevier, the worlds largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. ... The abdomen is a part of the body. ... The anterior superior iliac spine (ASIS) is an important landmark of surface anatomy. ... An umbilicus which appears as a depression in the abdomen is referred to as an innie. The umbilicus (commonly called a navel, or belly or tummy button), is essentially a scar caused at birth by the removal of the umbilical cord from a newborn baby. ... Grays Fig. ... In anatomy of the digestive system, the cecum or caecum is a pouch connected to the large intestine between the ileum. ... Appendicitis is a condition characterised by inflammation of the appendix. ...
Specific localization of tenderness to McBurney's point indicates that inflammation is no longer limited to the lumen of the bowel (which localizes pain poorly), and is irritating the lining of the peritoneum at the place where the peritoneum comes into contact with the appendix. Tenderness at McBurney's point suggests the evolution of acute appendicitis to a later stage, and thus, the increased likelihood of rupture. Because the location of the appendix is often different in different people, and can migrate within the abdomen, many cases of appendicitis do not cause point tenderness at McBurney's point. Other abdominal processes can also sometimes cause tenderness at McBurney's point. Thus, this sign is highly useful but neither necessary nor sufficient to make a diagnosis of acute appendicitis. In higher vertebrates, the peritoneum is the serous membrane that forms the lining of the abdominal cavity - it covers most of the intra-abdominal organs. ...
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