Figure 3From: Pulmonary sarcoidosis associated with psoriasis vulgaris: coincidental occurrence or causal association? Case reportA skin biopsy reveals acanthosis of epidermis, with elongated rete ridges, thin suprapapillary epidermal plates, absent granular layer and hyperkeratosis. A Munro microabscess (arrow) is also noticed within the parakeratotic cornified layer. (Haematoxylin & Eosin, original magnification ×100).Back to article page