Figure 3. a) Orthokeratotic hyperkeratosis, acanthosis and hypergranulosis of the finger and constriction of the proximal PIP; b) Higher magnification of circumferential hyperkeratotic constriction band in the proximal interphalangeal joint. a,b) ematoxylin and eosin stain. Original magnifications: a) 10×; b) 20×.
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ECB-IMG-190408