Polyp – may be sessile or pedunculated; usually echogenic and confined to mucosa. f. Increased number of layers – pylorogastric intussusception. 2. Loss of the normal layered architecture. a. Neoplasia. – Adenocarcinoma (typically asymmetrical, heteroechoic thickening). – Leiomyoma or leiomyosarco...
Scleractinian corals are sessile modular invertebrates, currently facing severe environmental change with rising CO2levels and sea surface temperatures (Pandolfi and Kiessling2014; Hughes et al.2017). Corals are vulnerable to drastic environmental changes, due to their sessile lifestyle and the associated ...
Irritation fibroma or traumatic fibroma is a common sub-mucosal response to trauma from teeth or dental prosthesis presenting as a painless, sessile or occasionally pedunculated swelling that can be firm and resilient or soft and spongy ... S Arya,P Singhal,M Vengal,... 被引量: 5发表: 2015...
In the last few frames (Figure 3 (bottom row)), the stalk of the polyp is not visible, thus appearing like a sessile polyp attached to the mucosal fold at the bottom. In addition, please note that the texture feature (due to vascularization) on top of the polyp is distinctively ...