مواضيع المحاضرة: Esophagitis Barrett Esophagus
قراءة
عرض

Reflux esophagitis endoscopy

There is marked hyperemia (focal or diffuse) affecting the lower esophagus. Arrows point to erosions.

Reflux esophagitis

Gross appearance of a severe case of reflux esophagitis. Marked hyperemia with focal hemorrhage is present in the area of reflux.


Reflux esophagitis showing the superficial portion of the mucosa. Numerous eosinophils (arrows) are present within the mucosa, and the stratified squamous epithelium has not undergone complete maturation because of ongoing inflammatory damage.
Reflux esophagitis

BARRETT ESOPHAGUS

Relatively sharply limited patchy, red orange, velvety mucosa of the middle and distal esophagus.

Barrett esophagus

A & B, gross view of distal esophagus and proximal stomach, showing Lt, the normal GEJ (arrow) and middle, the granular zone of BE (arrow). C, endoscopic view of BE showing red orange velvety gastrointestinal mucosa extending from the GE orifice. Note the paler squamous esophageal mucosa.



BE showing intestinal-type columnar epithelial cells (goblet cells) in a glandular villous mucosa
Barrett esophagus

BE is characterized by the presence of specialized columnar epithelium with goblet cells.

Barrett esophagus




رفعت المحاضرة من قبل: Abdalmalik Abdullateef
المشاهدات: لقد قام 7 أعضاء و 98 زائراً بقراءة هذه المحاضرة








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