Hair is missing but the epidermis is unbroken and no scab is present.
Loss of the outer epidermis resulting in an open wound or a healing wound with a scab
Foot lesion 1,2
Congestion and bruising of the solar corium presenting as red or brown pigmentation
Loss of horny tissue
Swollen joint or claw
Swelling of the tarsal, carpal, carpophalangeal, digital joint or the claws of the foot