| Lymphangiectasy | |
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| Lymphangiectasy in the upper duodenum, magnified on the right picture. Usually presenting as follicular lesion 1-2 mm in size, they can grow as big as 5 mm. Lymphangiectasies are most frequently caused by an obstruction in lymphatic flow (inflammation, tumors), but in very rare cases they are idiopathic. | |
