Pathology Image Detail

Caption	This is a longitudinal section of a femur in which there is marked thickening of the trabeculae and cortical bone. Bone marrow is partially effaced by a fibrovascular stroma. This lesion has been called a fibrousosseous lesion found in very old laboratory mice. This is a 20x image that is a higher magnification of the lower center region of the 10x image.
Description	bone hyperplasia
Age at Necropsy	613 days
Notes	This is a longitudinal section of a femur in which there is marked thickening of the trabeculae and cortical bone. Bone marrow is partially effaced by a fibrovascular stroma. This lesion has been called a fibrousosseous lesion found in very old laboratory mice.
Contributor	Sundberg J (J:122261)
Pathologist	Sundberg J (J:122261)