case_images: PMC10601760_01
case_images: a, b Multiple red-to-violaceous patches and plaques on the scalp. The patient claimed itchiness was the only symptom. c Dermoscopic findings showed serpentine arborizing vessels in a red to purple background.
case_images: cde-2023-0015-0001-533516_F01.jpg
case_images: PMC10601760_01_cde-2023-0015-0001-533516_F01.jpg
case_images: F1
case_images: A 75-year-old woman visited our clinic with red-to-violaceous patches and plaques on her scalp that had appeared 10 years prior (Fig. 1a, b). Dermoscopic examination revealed a red-to-purple background with serpentine arborizing vessels (Fig. 1c).
case_images: a H&E staining of punch biopsy specimen showed dense atypical lymphoid cell infiltration in the dermis. b-e Immunohistochemical staining revealed CD 20-positive (b) and focal Bcl-2-, CD3-positive cells (c, d) and no CD 10-positive cells (e). a-e: x40.
case_images: cde-2023-0015-0001-533516_F02.jpg
case_images: PMC10601760_01_cde-2023-0015-0001-533516_F02.jpg
case_images: F2
case_images: CD20 cells (Fig. 2b) and focal positive Bcl-2 and CD3 cells (Fig. 2c, d) by immunohistochemical staining. CD10-positive cells were not observed (Fig. 2e).