Pathology Image Detail

Caption	This is a 10x image, image 10a, that is a higher magnification of the bottom-center region of the 2.5x image.
Description	duodenum hemagiosarcoma
Age at Necropsy	391 days
Notes	This is a segment of the duodenum from a 391 day old female PWD/PhJ mouse. Note the bulge in the wall due to expansion of a hemangiosarcoma. This is a malignancy of the blood vessels. There is a homogeneous population of spindle-shaped cells that form spaces of various sizes filled with red blood cells and lined by endothelial cells. The center is necrotic and has numerous bacterial colonies present. There is hemorrhage with digestion of the blood leading to the brown streaks in the lumen.
Contributor	Sundberg J (J:122261)
Pathologist	Sundberg J (J:122261)