Hamburger sign

{{Short description|Sign used in the diagnosis of appendicitis}}

{{Distinguish|Hamburger button}}

The hamburger sign is used in the diagnosis of appendicitis. The sign is used to rule out that disease, with the physician inquiring if the patient would like to consume their favourite food.{{cite book|last1=Virgilio|first1=Christian de|last2=Frank|first2=Paul N.|last3=Grigorian|first3=Areg|title=Surgery|date=10 January 2015|publisher=Springer|language=en |isbn=9781493917266|page=215}} If a patient wants to eat, consider a diagnosis other than appendicitis. Anorexia is 80% sensitive for appendicitis.{{cite book |last1=Le |first1=Tao |last2=Bhushan |first2=Vikas |last3=Bagga |first3=Herman Singh |title=First Aid for the USMLE Step 2 CK, Clinical Knowledge |edition=7th |year=2010 |publisher=McGraw-Hill |isbn=978-0-07-162354-4 |page=508 }} A positive hamburger sign is demonstrated by a patient declining food.