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Case Reports
. 2023 Mar 28:35:84-86.
doi: 10.1016/j.jdcr.2023.03.008. eCollection 2023 May.

Hair repigmentation in microcystic adnexal carcinoma

Ryan C Saal  1 , Bruce D Bauer  2 , Robert J Pariser  2 , Molly K Smith  2
Affiliations
Case Reports

Hair repigmentation in microcystic adnexal carcinoma

Ryan C Saal et al. JAAD Case Rep. .
No abstract available

Keywords: Fontana-Masson; Melan-A; hair repigmentation; microcystic adnexal carcinoma.

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Conflict of interest statement

None disclosed.

Figures

Fig 1
Fig 1
Clinical presentation. Microcystic adnexal carcinoma presenting as an indurated scar-like depression with surrounding dark hairs on the right of the midline scalp.
Fig 2
Fig 2
A and B, Microcystic adnexal carcinoma excisional biopsy. Histopathology displaying duct-like structures and islands of poroid-appearing cells throughout the dermis and deeper tissues. B, Perineural invasion is also seen. C, Positive EMA in tumor islands.
Fig 3
Fig 3
Fontana-Masson (A and C) and Melan-A (B and D) staining of microcystic adnexal carcinoma. A and B, Peripheral 1 has melanocytes in the hair bulb and shows melanin in the hair shaft and in the bulbar keratinocytes. C and D, Minimal melanin pigment is observed in the papillae, and the absence of melanocytes and melanin in the hair bulb is noted for peripheral 2.
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