Do particular clinical factors influence development and extent of Barrett's esophagus?
G.W. Falk  

Can high frequency ultrasound probes give specific information on esophageal anatomy in Barrett's esophagus?
Y. Murata, S. Suzuki, K. Hayashi, K. Tanigawa, M. Ohta, A. Mitsunaga, H. Ide, K. Takasaki  

What is the rate of occurrence of esophageal columnar metaplasia after long-term proton pump inhibitor therapy?
G.N.J. Tytgat  

What is the symptom score profile in patients with Barrett's esophagus?
R.J.L.F. Loffeld  

Can the diminution in heartburn symptomatology be explained by impairment in esophageal glycoconjugate (predominantly mucin) secretion?
M. Marcinkiewicz, C. Poplawski, T. Zbroch, Z. Namiot, J. Sarosiek  

Is reduced esophageal sensitivity in Barrett's patients related to the length of the metaplastic epithelium?
R.M. Bremner, D. Schwartz, P. Crookes  

What are the lower esophageal sphincter and esophageal body manometric characteristics observed in Barrett's patients?
J.A. Castell  

What is the definition of the junction between the esophagus and stomach from an endoscopic perspective?
H.W. Boyce  

What is the definition of the junction between the esophagus and stomach from a histologic perspective?
P. Chandrasoma  

What is the correlation between the mode of endoscopy (retroflexed versus antegrade) and the diagnosis of Barrett's esophagus?
C.M. Pring, D.M. Beardsmore, G.W.B. Clark  

What is the value of methylene blue staining to direct biopsies in Barrett's mucosa?
M.I.F. Canto  

What is the frequency of occurrence of inlet patch of gastric mucosa in the proximal esophagus in Barrett's patients?
M. Schapiro  

How to define cardiac mucosa? Can it be found in patients without gastroesophageal reflux disease? Can it be considered as a pre-Barrett change?
P. Chandrasoma  

Is intestinal metaplasia at the gastric cardia more often found in Barrett patients than in those without Barrett's esophagus?
Y.-T. Bak  

What is the cause and significance of intestinal metaplasia distal to the Z-line?
H.D. Appelman  

What is the relationship between the presence of intestinal metaplasia at the squamocolumnar junction and the extent of esophageal columnar lining?
D.A. Antonioli  

What is the prevalence of intestinal metaplasia at the cardioesophageal junction when there is no columnar epithelium lining the distal esophagus?
D.A. Antonioli  

What is the correlation between foveolar hyperplasia in the cardia and Barrett's esophagus?
H.D. Appelman  

What is the significance of the "distinctive cell" at the junction of squamous and Barrett's epithelium? In what proportion of junctional biopsies is it found?
D.A. Antonioli  

What is the significance of pancreatic metaplasia at the gastroesophageal junction?
R.H. Riddell  

What is the histological correlation with clinical and endoscopic evidence of Barrett's esophagus?
J.E. Richter  

What are the current alterations in gene expression coexisting with the phenotypic transformation of squamous epithelium into Barrett's mucosa?
J. Theisen, J.R. Siewert  

What is the meaning of "mosaic" sucrase-isomaltase staining found in Barrett's epithelium?
D.G. Beer, H.D. Appelman  

What is the value of Villin expression and heterogeneity of enterocytic differentiation in Barrett's esophagus?
G. Triadafilopoulos  

What is the level of agreement between the results of histological and cytological detection of benign Barrett's mucosa?
H.H. Wang  

How effective is cytology alone in detecting goblet cells?
D.A. Antonioli  

Are chromosomal alterations observed in non-dysplastic Barrett's mucosa?
C.K. MacKay, R.C. Stuart  

What are the newest techniques for evaluation of DNA rearrangements?
B.A. Jacobson, M. Araghi-Niknam, L.J. Ferrin