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[Endoscopic location of squamous columnar mucosal changes in patients with different degrees of pathologic
A Csendes1, M Coronel, R Avendaño
1Departamento de Cirugía, Hospital Clínico de la Universidad de Chile, Santiago de Chile.
Background:
There is little information about the precise location of the squamous columnar mucosal junction in the Chilean population.
Aim:
To study endoscopically, the location of the squamous columnar mucosal junction in patients with esophageal disease.
Patients And Methods:
The location of the squamous columnar mucosal junction was prospectively studied by endoscopy in 347 subjects with normal upper gastrointestinal endoscopy, 117 patients with chronic gastroesophageal reflux without esophagitis, 117 patients with erosive esophagitis, 63 patients with short Barret's esophagus and 28 patients with an extensive Barret's esophagus.
Results:
No differences in the mucosal junction location were observed between controls and patients with gastroesophageal reflux or erosive esophagitis. In patients with Barret's esophagus, the junction was more proximal. In women, the junction was three cm more proximal than in men, probably due to their shorter stature.
Conclusions:
Women have a more proximal squamous columnar mucosal junction than men.