Calcification in the caseous necrotic centre occurs in additional continual infections Majeed et al. , 1981; Van Duijn, 1981; Anderson et al. , 1987. Melanization and vacuolation may be found surrounding the cutaneous granulomas Noga et al. , 1990. Such granulomas are all of the soft tubercle type, happening in the stratum spongiosum of the dermis Anderson et al.