case_images: PMC11043528_01
case_images: (A) Photograph taken 6 months after surgery showed an inhomogeneous blue-black pigment in the double eyelid incision. (B) The evaluation with a dermoscopy showed the exogenous blue-black pigments in the skin. (C) Histology of the upper eyelid skin tattooed with blue-black ink (H&E stain, magnification 20x). (D) Pigment particles are presented in the basal layer of the squamous epithelium (arrows), visible at 40x magnification. (E) Highly refractive brown pigment granules (triangle arrows) and chromophages (asterism) could be seen scattered in the superficial dermis and the perivascular area, visible at 40x magnification.
case_images: fmed-11-1387773-g001.jpg
case_images: PMC11043528_01_fmed-11-1387773-g001.jpg
case_images: fig1
case_images: A 47-year-old female patient presented to the outpatient clinic with blue-black linear marks on the upper eyelid (Figure 1A). Under dermoscopy, scattered pigments were observed to accumulate in the skin (Figure 1B). The postoperative histological examination of the skin tissue confirmed that brown pigments accumulated in the squamous epithelium and the connective tissue (Figure 1C).