Pathognomic factors involved in foot ulcers in DM include all, Except:

Answer is C (Microangiopathic changes in blood vessels): Macroangiopathic changes in blood vessels in the form of peripheral aerial disease contribute to the generation of foot ulcers and non microangiopathic changes. Pathogenic Factors in generation of foot ulcers in DM Neuropathy (Peripheral Sensory neuropathy): Trophic changes Abnormal Foot Biomechanics (d/t disordered propioception and sensorimotor neuropathy) Peripheral Aerial disease (Macroangiopathy) and poor wound healing Autonomic neuropathv (anhidrosis and altered superficial blood flow in ,foot)