US$ 25.62
pigmented melanotic schwannoma (case 4) showing a circumscribed tumor, covered by Malignant Melanotic Nerve Sheath Tumor
Description
Study of an incisional biopsy of the thumbnail matrix and the affected fold showed hyperpigmentation of the basal layer of the matrix and few melanocyte aggregations, without atypia

Jan 2019;42(Suppl 1):S90-S102

instead, the maternal inflammatory response itself seems sufficient

Clinically, acral lentiginous melanoma presents as a dark brown or black pigmented lesion (Figure 7a,b)
