A forgotten cause of false negative rapid urease test: Formalin contamination of the sample

Hepato-Gastroenterology

Volumn 57, Issue 99-100, 2010, Pages

  Ozaslan, Ersan ^a   Koseoglu, Tankut ^a   Purnak, Tugrul ^a   Yildiz, Ayla ^a  

^a ANKARA TRAINING AND RESEARCH HOSPITAL   (Turkey)

Author keywords

False negativity; Formalin; Helicobacter pylori; Urease test

Indexed keywords

FORMALDEHYDE; UREASE;

BACTERIUM CULTURE; CONTAMINATION; DIAGNOSTIC TEST; ENZYME ACTIVATION; HELICOBACTER INFECTION; HELICOBACTER PYLORI; LETTER; PREVALENCE; PRIORITY JOURNAL; RAPID UREASE TEST;

FALSE NEGATIVE REACTIONS; FORMALDEHYDE; HELICOBACTER INFECTIONS; HELICOBACTER PYLORI; HUMANS; SPECIMEN HANDLING; UREASE;

EID: 77955494572     PISSN: 01726390     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Letter

References (5)

1. Ricci C, Holton J, Vaira D: Diagnosis of Helicobacter pylori: Invasive and non-invasive tests. Best Pract Res Clin Gastroenterol 2007;21:299-313.
2. Yousfi MM, Reddy R, Osato MS, Graham DY: Culture of Helicobacter pylori: Effect of preimmersion of biopsy forceps in formalin. Helicobacter 1996;1:62-4.
3. Wettstein A, Loy C, Frommer DJ: Effect of immersion of biopsy forceps in formalin on tissue urease activity. J Gastroenterol Hepatol 1999;14:984-6.
4. Patel G, Gupta R, Maas L, Ross J, Devore M, Gelzayd E: Sensitivity of CLO test biopsy for Helicobacter pylori is reduced using formalin dipped forceps [abstract]. Am J Gastroenterol 1994;89:1642.
5. Castellote J, Guardiola J, Porta F, Falcó A: Rapid urease test: effect of preimmersion of biopsy forceps in formalin. Gastrointest Endosc 2001;53:744-6.