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Revista Española de Enfermedades Digestivas
versión impresa ISSN 1130-0108
VELASCO-GUARDADO, Antonio et al. Endoscopic evaluation and histological findings in graft-versus-host disease. Rev. esp. enferm. dig. [online]. 2012, vol.104, n.6, pp.310-314. ISSN 1130-0108. http://dx.doi.org/10.4321/S1130-01082012000600005.
Background: the gastrointestinal (GI) tract is the major target site of the graft-versus-host disease (GVHD). Diagnosis is based on endoscopic and histological findings. Material and methods: we performed a retrospective study from January 1st, 1990 to December 31st, 2008 on 338 upper gastrointestinal endoscopies (gastroscopies) performed to 197 patients that underwent an allogeneic transplant with clinical suspicion of GI-GVHD. Results: endoscopic findings to the diagnosis of GVHD have a sensitivity (S) of 34%, specificity levels (SP) of 65%, a positive predictive value (PPV) of 73% and a negative predictive value (NPV) of 48%. The histological study of the endoscopic biopsies has a global sensibility of 85.6% SP = 34.6% PPV = 64.2% and NPV = 63.7%. Histological grade was correlated with the clinical grade of acute GVHD (p = 0.018). Conclusion: upper gastrointestinal endoscopy is useful for the diagnosis of GVHD, as it allows biopsies that can ultimately lead to the diagnosis, but with limited accuracy because the histological findings have low sensitivity and specificity, while the endoscopic findings are generally nonspecific.
Palabras clave : Graft versus host disease (GVHD); Endoscopy; Histology.