Squamous cell carcinoma (SCC) of the skin is a tumor with greatly increased incidence among immunosuppressed patients; therefore, an infectious cause of SCC has long been sought. We performed a hospital-based case-control study of Staphylococcus aureus and biopsies of SCC (n = 82), basal cell carcinoma (n = 142), actinic keratosis (n = 57), and seborrhoeic keratosis (n = 72) in comparison with ...

Commentary | Dermatol Pract Concept 2013;4(1):5 43 Have we really concluded what a large cell acanthoma is? Is it a distinct entity, a solar lentigo, a subtype of seborrheic keratosis, or an HPV-induced acanthoma? In 1970, large cell acanthoma (LCA) was first described by Pinkus, as a sharply demarcated, hyperkeratotic patch, often on sun-exposed skin, characterized by extraordinarily large cel...

OttoMoncorps keratosis is a rare dermatosis, which excessive keratinization of the nipple and areola mammary gland with an unknown etiology pathogenesis. According to classification proposed by LevyFrankel in 1938, disease can be represented three types: type 1 ― variant epidermal nevus, 2 associated other diseases 3 idiopathic. The diagnosis based on data clinical picture, diffuse gland, dark ...