case_images: PMC8453428_01
case_images: Microscopic appearance of the bluish macule after haematoxylin and eosin staining.
case_images: CCID-14-1253-g0001.jpg
case_images: PMC8453428_01_CCID-14-1253-g0001.jpg
case_images: f0001
case_images: An excision biopsy (17 x 17x5 mm) and staining with haematoxylin and eosin of the lesion revealed black and brown pigment deposits on dermal elastin and collagen fibres, and around sweat ducts (Figure 1).
case_images: Large, pigmented cluster on the haematoxylin and eosin-stained histological sample.
case_images: CCID-14-1253-g0002.jpg
case_images: PMC8453428_01_CCID-14-1253-g0002.jpg
case_images: f0002
case_images: A large cluster of black material was observed, surrounded by finer pigmented deposits on dermal collagen (Figures 2 and 3).
case_images: Magnified image of the large, pigmented cluster on the haematoxylin and eosin-stained histological sample.
case_images: CCID-14-1253-g0003.jpg
case_images: PMC8453428_01_CCID-14-1253-g0003.jpg
case_images: f0003
case_images: A large cluster of black material was observed, surrounded by finer pigmented deposits on dermal collagen (Figures 2 and 3).