Several groups may coalesce, and a serpiginous tract result (serpiginous tubercular syphiloderm).
The ulcers have seldom the typically rounded or serpiginous outline of gummatous ulcers on other parts of the body.
The actual cautery is best for serpiginous corneal ulcers, carbolic acid being more satisfactory for those of the vesicular type.
When the eruption spreads at the border, clearing up at the older part; as, for instance, in the serpiginous syphiloderm.
It may also present the appearance of a serpiginous lupus vulgaris or syphiloderm.
A rodent ulcer was eating its way upwards, coiling on in its serpiginous fashion until the end of it was flush with her collar.
serpiginous ser·pig·i·nous (sər-pĭj'ə-nəs)
Relating to or being a cutaneous lesion, such as an ulcer, having an arciform border and a wavy margin.
serpigo ser·pi·go (sər-pī'gō)
Any creeping or serpiginous eruption.