Boas' sign
| Boas' sign | |
|---|---|
| Differential diagnosis | Acute cholecystitis, Stomach disease |
Boas' or Boas's sign is
acute cholecystitis (inflammation of the gallbladder).[1] It is one of many signs a medical provider may look for during an abdominal examination.[2]
Originally this sign referred to point tenderness in the region to the right of the 10th to 12th thoracic vertebrae.[3] It is less than 7% sensitive.[4][5]
Its namesake is Ismar Isidor Boas (1858–1938), a German physician and the first licensed GI specialist in his country.[6]
Boas' sign can also indicate stomach and duodenal disease. When the transverse processes of thoracic vertebrae T10-T12 are pressed or
duodenal ulcer).[7]
References
- ^ "Boas' sign". GPnotebook. Archived from the original (web) on 2007-02-07. Retrieved 2007-01-21.
- ^ Hewish, Dr Paul. "Abdominal Examination" (web). Patient Plus. Retrieved 2007-01-21.
- S2CID 19833876. Archived from the original(PDF) on 4 March 2016. Retrieved 16 June 2015.
- ^ "Gastroenterology Grand Rounds". Archived from the original on 2012-04-01. Retrieved 2011-09-16.
- ^ Gunn A, Keddie N. Some clinical observations on patients with gallstones. Lancet 1972;2:230-241
- ^ "Ismar Isidor Boas" (web). Whonamedit.com. Retrieved 2011-01-09.
- ISBN 978-81-7179-965-7.