285. Is the nutcracker syndrome reversible ?
A. Keshavarsian (Maywood)

286. Those between corkscrew esophagus and achalasia have long been known
J. Janssens, G. Vantrappen (Leuven)

287. Those between the nutcracker esophagus and diffuse esophageal spasm seem equally well known
R. W. McCallum (Charlottesville)

288. Do similar pathologic anomalies exist in these different syndromes ?
J. Mebis, N. Ectors, K. Geboes (Leuven)