In this dog, the diffuse perianal furunculosis suggests that there may be an underlying pruritic trigger. Surgical excision may resolve the infections, but relapses of perianal furunculosis and inflammation will persist unless the underlying cause is found. | In this dog, the diffuse perianal furunculosis suggests that there may be an underlying pruritic trigger. Surgical excision may resolve the infections, but relapses of perianal furunculosis and inflammation will persist unless the underlying cause is found. |