case_images: PMC10868624_01
case_images: Prior to the trial of upadacitinib. Posterior scalp with large pustules, nodules, and interconnected, firm, edematous sinus tracts that drain pus and blood, with an absence of hair growth.
case_images: cureus-0016-00000052377-i01.jpg
case_images: PMC10868624_01_cureus-0016-00000052377-i01.jpg
case_images: FIG1
case_images: On physical examination, the posterior scalp exhibited large, tender, draining pustules, nodules, and interconnected, firm sinus tracts with absent hair growth (Figure 1A, 1B).
case_images: After two months of upadacitinib. Posterior scalp with fewer pustules and smaller, less inflamed sinus tracts without pustular drainage or bleeding. Areas of prior inflammation now exhibit scarring.
case_images: cureus-0016-00000052377-i02.jpg
case_images: PMC10868624_01_cureus-0016-00000052377-i02.jpg
case_images: FIG2
case_images: At around a two-month follow-up visit, a physical exam revealed significantly fewer pustules, smaller sinus tracts, and overall decreased inflammation with no visible drainage (Figure 2A, 2B).