PMC9875578_01
Brownish patches distributed along the Blaschko line on the left side of the back, waist, buttocks and lower limbs, partially fused into pieces, with no hard touch and unclear boundary, showing obvious unilateral manifestation.
CCID-16-193-g0001.jpg
PMC9875578_01_CCID-16-193-g0001.jpg
f0001
The skin was not hard, the boundary was not clear, and the skin surface was smooth with mild atrophy when palpated (Figure 1).
The epidermis mutated flat disappeared, the pigment granules in the basal layer were obvious, and numerous lymphocytes infiltrated around the blood vessels in the superficial dermis (HE, x100).
CCID-16-193-g0002.jpg
PMC9875578_01_CCID-16-193-g0002.jpg
f0002