Site specific diagnostic yield of endoscopic biopsies in Gastrointestinal Graft-versus-Host Disease: A tertiary care Center experience - 30/01/19
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Abstract |
Background |
Gastrointestinal (GI) graft versus host disease (GVHD) occurs in up to 40% of patients undergoing allogenic hematopoietic stem cell transplantation (HSCT). However, the optimal endoscopic approach is still unclear and the area of the GI tract with the highest diagnostic yield is still a topic of debate.
Objective |
We compared the diagnostic yield of different anatomic site biopsies in the diagnosis of GI GVHD and assessed the correlation of endoscopic findings with histopathology.
Methods |
All cases of biopsy proven GI GVHD were obtained from pathology database AUBMC between 1/1/2005 and 31/8/2017. We retrospectively analyzed the demographical, clinical and endoscopic data.
Results |
Nineteen patients were diagnosed with GI GVHD over 17.6 years. The most common presenting symptom was severe diarrhea (18 patients, 94.7%). Combining upper endoscopy and sigmoidoscopy with biopsies had the highest diagnostic yield of 90% in diagnosing GI GVHD compared to 63.6%, 78.6% and 77.8% for upper endoscopy, sigmoidoscopy and colonoscopy respectively. In macroscopically normal mucosa, the recto-sigmoid and duodenal biopsies had the highest diagnostic yield (75%). As for the macroscopically abnormal mucosa, the highest yield was for the recto-sigmoid biopsies (100%) in lower endoscopy and duodenal biopsies in the upper endoscopy (60%).
Conclusion |
In a patient suspected to have GI GVHD, the best endoscopic approach is the combination of upper endoscopy and flexible sigmoidoscopy with biopsies of normal as well as abnormal mucosa. It should be emphasized that normal mucosa be biopsied especially in the duodenum and recto-sigmoid for a better diagnostic yield.
Le texte complet de cet article est disponible en PDF.Keywords : endoscopic biopsies, acute GI GVHD, allogeneic hematopoietic SCT
Plan
Vol 67 - N° 1
P. 16-19 - février 2019 Retour au numéro
Article précédent
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