Solitary acral persistent papular mucinosis nodule: A case report and summary of eight Korean cases

Figure 1 A pinkish, solitary nodule measuring 1 cm was found on the right dorsum of the hand. A: A clinical image taken before treatment showed the appearance of the nodule; B: Biopsy results showed orthokeratotic hyperkeratosis with patchy parakeratosis, prominent hypergranulosis; C: Diffuse dissecting mucinous deposition between collagen bundles, along with some bland-looking spindle cells throughout the dermis (H&E; B: ×40, C: ×200); and D: Following three sessions of intralesional triamcinolone injection every 2 wk, a marked improvement was observed.