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2.
Tunisie Medicale [La]. 2011; 89 (12): 910-915
Dans Français | IMEMR | ID: emr-133473

Résumé

To describe the clinical, endoscopic and histological particularities of early stage HP associated gastric MALT lymphoma resistant to anti Hp treatment and identify predicting factors of resistance. We retrospectively studied 12 patients with primary low grade gastric localized MALT lymphoma treated with anti HP treatment and diagnosed at La Rabta Hospital from 1999 to 2009. The ultrasonography was normal in 5 patients between the 6 responding patients. Perigastric lymph nodes were found in non responders [33.3%]. Hp eradication was achieved in 66% of patients not responding while Hp was eradicated in 100% of responders. The two non-responding patients with failure of eradication of Hp had a strain resistant to Clarithromycin Hp. Predicting factors of failure of anti HP: HP resistance to antibiotics, the proximal head, and the presence of perigastric lymph nodes. Recently, chromosomal aberrations and immune-histochemical markers have been implicated as factors of non response to anti Hp

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