PMC5871370_01
Lobular dermal neoplasm of epidermal origin with abundant melanin
pigment (Hematoxylin & eosin, X40)
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f1
Surgical margins were described as tumor free (Figures 1 and 2).
Detail of the squamous differentiation of the neoplastic cells and
the interspaced pigmented melanocytes (Hematoxylin & eosin,
X100)
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f2
Surgical margins were described as tumor free (Figures 1 and 2).
Immunohistochemistry: expression of melan-A (Mart1) in
melanocytes
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f3
Immunohistochemical analysis revealed expression of cytokeratins (AE1/AE3) and p40 protein in epithelioid cells and expression of gp100 (HMB45) in pigmented dendritic cells (Figures 3 and 4).
Immunohistochemistry: expression of cytokeratins (AE1/AE3)
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f4
Immunohistochemical analysis revealed expression of cytokeratins (AE1/AE3) and p40 protein in epithelioid cells and expression of gp100 (HMB45) in pigmented dendritic cells (Figures 3 and 4).