An abscess around a stitch or suture.
Words nearby stitch abscess
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for stitch abscess
I have noticed the same tendency to stitch-abscess in cases of diffuse pelvic inflammation due to infection by the gonococcus.