Describe the ulcerating tubercular syphiloderm.

Fig. 58.

Ulcerating Tubercular Syphiloderm.

The ulceration may be superficial or deep in character, and involve several or all of the lesions forming the group. The patch may consist, therefore, of small, discrete, punched-out ulcers, or of one or more continuous ulcers, segmented, crescentic or serpiginous in shape. They are covered with a gummy, grayish-yellow deposit or they may be crusted. As the ulcerative changes take place, new

Tubercular Syphiloderm.

Large-pustular Syphiloderm.