submucosa
Retro-Esophageal Tunneling and Myotomy by Stretching...
After incision of the phrenoesophageal ligament, the dissection is performed selectively over the anterior aspect of the esophagus. The anterior and posterior vagus nerves are identified and their branches...
Colonoscopy Image Interpretation - Case
Similar lesions were detected in several prior colonoscopy examinations. There was no clear histopathological conclusion. I encourage all the endoscopists to give a guide how to interpret the following...
Water Jet Sign - A Sign of Submucosal Invasion
Video presents an example of a sign of submucosal invasion - a water jet sign.
Colon Angiodysplasia (12 of 24)
A submucous mass is detected in the ascending colon that could be compatible with lipoma or amiloide deposit due to the multiple myeloma.
Heterotropic Pancreas (1 of 6)
Heterotopic Pancreas, due to the hole, as the diameter is not usual in the heterotopic pancreas, some biopsies were obtained from the submucosa which histologically demostrated pancreatic tissue....
Early Gastric Adenocarcinoma - Endoscopy (1 of...
This 52 year-old female, presented this lesion at the antrum, the endoscopic ultrasound showed that lesion is limited at the mucosa and submucosa.
Early Gastric Cancer - Endoscopy (3 of 21)
As proposed by the Japanese Society of Gastroenterological Endoscopy in 1962, early gastric cancer (EGC, also called superficial spreading carcinoma) is defined as adenocarcinoma limited to the gastric...
Gastric Cancer - Endoscopy (4 of 15)
Endoscopy is 95% to 98% sensitive in diagnosing gastric cancer when performed along with biopsy. It has much lower sensitivity in diagnosing linitis plastica because the tumor is in the submucosa and...
Scirrhous Gastric Carcinoma - Endoscopic Ultrasonography...
Endosonography. The endosonography can clearly visualize the architecture of the stomach. This make it possible to find destruction of the gastric layers. In infiltrating gastric cancer there are...
Scirrhous Gastric Carcinoma - Endoscopy (2 of...
The posterior wall of the stomach is infiltrating from the antrum to the fundus. The term ”Linitis Plastica” refers to a scirrhous form of carcinoma that spreads predominantly in the submucosa,...