Difference between revisions of "Bones Developmental - Pathology"

@@ Line 61: / Line 61: @@
-===Physitis===
+===[[Physitis]]===
-*In horses
-*Often associated with [[Bones Developmental - Pathology#Angular limb deformity|angular limb deformity]]
-*Also called '''epiphysitis''' and '''physeal dysplasia'''
-*Problem of [[Bone & Cartilage Development - Anatomy & Physiology|endochondral ossification]]
-*Two age groups
-**Weanlings
-**Yearlings in early training and two-year-olds
-*May cause contracted tendons and flexural deformities
-*Factors probably involved in its development:
-**Genetically fast growth rate
-**Large quantities of imbalanced, high energy feed
-**Imbalanced weight-bearing on joints
-**Excessive activity
-**Growth spurts
-*Histologically: (appearance similar to [[Bones Developmental - Pathology#Angular limb deformity|angular limb deformity]])
-**Lateral aspect of radius
-***Thickened metaphyseal part of physeal cartilage
-***-> Delay or disturbance of endochondral ossification
-***Compression
-**Central part
-***No obvious deformity
-**Medial aspect
-***Tension
-***-> Transverse [[Bones Fractures - Pathology|fractures]] and repair
-**Laxity of periarticular attachements in young foals allows [[Bones Developmental - Pathology#Angular limb deformity|angular limb deformity]]; not occuring in older foals and young horses
-**(Sustained trauma produces similar lesions)
-[[Category:Bones - Developmental Pathology]]
 ==Test yourself with the Bone and Cartilage Pathology Flashcards==

Revision as of 18:11, 27 February 2011