Lamellar fibroplasia, a feature of dysplasia, is represented by eosinophilic bands (arrows) in the papillary dermis running parallel to the basilar epithelium
3.1, 3.2, 3.3, and 3.4)
∘ Extension of junctional component of nevus beyond dermal
∘ Anastamosing nests of horizontally oriented melanocytes,
∘ Irregular distribution of junctional nests along rete
∘ Lentiginous basilar melanocytic hyperplasia (increased
numbers of single melanocytes present along elongated rete
∘ Lamellar fibroplasias, concentric eosinophilic
∘ Melanophages and lymphocytic infiltrate
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