Diverticulitis laboratory findings: Difference between revisions
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Revision as of 01:23, 21 September 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ahmed Elsaiey, MBBCH [2]
Overview
Diverticulitis diagnosis starts by taking history precisely and performing a physical examination. Lab tests are important in excluding other causes of abdominal pain and any other gastrointestinal disease. These lab tests include CBC, CRP, urinalysis, and liver tests. Imaging procedures including CT scan and colonoscopy are also important measures in diagnosing diverticulitis.[1][2]
Laboratory Findings
The initial diagnostic measures for diverticulitis are taking a proper history, doing a physical exam, and performing lab tests. Lab tests are initially necessary to exclude other gastrointestinal diseases and confirm diverticulitis. These lab tests include the following:
- CRP
- CBC: CBC may show leukocytosis. A normal white blood cell count does not exclude diverticulitis, as most diverticulitis patients have normal blood counts.
- Urinalysis: Urinalysis is performed especially in cases complicated by fistula and may show the following findings:[3]
- Pyuria: In the case of urinary tract infection
- Hematuria: In the case of nephrolithiasis
- Liver function tests: Amylase and lipase tests are required to exclude other diseases that cause abdominal pain.
References
- ↑ Rafferty J, Shellito P, Hyman NH, Buie WD, Standards Committee of American Society of Colon and Rectal Surgeons (2006). "Practice parameters for sigmoid diverticulitis". Dis Colon Rectum. 49 (7): 939–44. doi:10.1007/s10350-006-0578-2. PMID 16741596.
- ↑ Käser SA, Fankhauser G, Glauser PM, Toia D, Maurer CA (2010). "Diagnostic value of inflammation markers in predicting perforation in acute sigmoid diverticulitis". World J Surg. 34 (11): 2717–22. doi:10.1007/s00268-010-0726-7. PMID 20645093.
- ↑ HAFNER CD, PONKA JL, BRUSH BE (1962). "Genitourinary manifestations of diverticulitis of the colon. A study of 500 cases". JAMA. 179: 76–8. PMID 13903556.