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The xanthogranulomatous process (XP), is a form of acute and chronic inflammation characterized by an exuberant clustering of foamy macrophages among other inflammatory cells. Localization in the kidney and renal pelvis has been the most frequent and better known occurrence followed by that in the gallbladder but many others have been ...
No sign of appendicitis in specimens, negative appendectomy, varies but has been estimated to occur in 13% of specimens. [76] Notably, appendix cancer is found incidentally in about 1% of appendectomy specimens. [77] [78] Pathology diagnosis of appendicitis can be made by detecting a neutrophilic infiltrate of the muscularis propria.
Lockwood's sign is a medical sign that indicates Crohn's disease [1] and/or chronic appendicitis. [2] This sign is named after the English surgeon and anatomist, Charles Barrett Lockwood, who stated that: "The patient lies on his back with his head raised on a pillow and his knees drawn up, so that the superficial abdominal muscles are relaxed.
Rovsing's sign, named after the Danish surgeon Niels Thorkild Rovsing (1862–1927), [1] is a sign of appendicitis.If palpation of the left lower quadrant of a person's abdomen increases the pain felt in the right lower quadrant, the patient is said to have a positive Rovsing's sign and may have appendicitis.
Klemm's sign, also known as air cushion sign, [1] is a sign of chronic appendicitis. References This page was last edited on 10 January 2025, at ...
The Alvarado score is a clinical scoring system used in the diagnosis of appendicitis. [1] Alvarado scoring has largely been superseded as a clinical prediction tool by the Appendicitis Inflammatory Response score. [2] [3] [4]
The AIR score was developed to overcome some of the drawbacks of the Alvarado score, another diagnostic scoring system for identifying appendicitis. [2] The AIR score is one of the two scores (the other being the Adult Appendicitis Score , AAS) recommended by the 2020 World Society of Emergency Surgery clinical practice guidelines for the ...
It is found in patients with localised peritonitis due to acute appendicitis. [1] It is similar to rebound tenderness , but may be easier to elicit when the patient has firm abdominal wall muscles. Abdominal pain on walking or running is an equivalent sign.