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. 2018 Nov 8;11:551–559. doi: 10.2147/CCID.S178817

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© 2018 Kadry et al. This work is published and licensed by Dove Medical Press Limited

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H&E staining and HMB45.

Notes: (A) Absence of melanin pigmentation (H&E, ×200) before treatment. (B) Prominent melanin pigmentation (H&E, ×200) after treatment with PRP. (C) Prominent melanin pigmentation (H&E, ×200) after treatment with CO₂+PRP. (D) Weak melanin expression (H&E, ×200) after treatment with CO₂ alone. (E) Mild expression of HMB45 (PAP, ×200) before treatment. (F) Marked expression of HMB45 (PAP, ×200) after treatment with PRP. (G) Marked expression of HMB45 (PAP, ×200) after treatment with CO₂+PRP. (H) Moderate expression of HMB45 (PAP, ×200) after treatment with CO₂.

Abbreviation: PAP, Papanicolaou stain; PRP. platelet-rich plasma