1 Introduction Kyanite is an important naturally occurring in-dustrial mineral and is used in the manufacture of avariety of industrial ceramic products; notable exam-ples include refractories and porcelains. It is a ...1 Introduction Kyanite is an important naturally occurring in-dustrial mineral and is used in the manufacture of avariety of industrial ceramic products; notable exam-ples include refractories and porcelains. It is a high-pressure polymorph of the aluminosilicates of the ne-sosilicate group, which includes kyanite, sillimanite,and andalusite. These three aluminous or alumina-rich minerals are chemically identical with the compo-sition, Al;SiO;, but have different crystal structuresand physical properties. It is, however, their alumina展开更多
Duodenal stents are frequently used for palliating malignant gastric outlet obstruction.Successful stent placement relieves obstructive symptoms,is cost effective,and has a relatively low complication rate.However,ent...Duodenal stents are frequently used for palliating malignant gastric outlet obstruction.Successful stent placement relieves obstructive symptoms,is cost effective,and has a relatively low complication rate.However,enteral stents have the potential of migrating distally and rarely,even lead to bowel perforation.We present a rare case of a duodenal stent placed as a palliative measure for gastric outlet obstruction due to unresectable pancreatic cancer that migrated distally after a gastrojejunostomy resulting in small bowel perforation.展开更多
文摘1 Introduction Kyanite is an important naturally occurring in-dustrial mineral and is used in the manufacture of avariety of industrial ceramic products; notable exam-ples include refractories and porcelains. It is a high-pressure polymorph of the aluminosilicates of the ne-sosilicate group, which includes kyanite, sillimanite,and andalusite. These three aluminous or alumina-rich minerals are chemically identical with the compo-sition, Al;SiO;, but have different crystal structuresand physical properties. It is, however, their alumina
文摘Duodenal stents are frequently used for palliating malignant gastric outlet obstruction.Successful stent placement relieves obstructive symptoms,is cost effective,and has a relatively low complication rate.However,enteral stents have the potential of migrating distally and rarely,even lead to bowel perforation.We present a rare case of a duodenal stent placed as a palliative measure for gastric outlet obstruction due to unresectable pancreatic cancer that migrated distally after a gastrojejunostomy resulting in small bowel perforation.
