Fungal infections

Chapter 18

Fungal infections


The stratum corneum may be basket-weave or compact and eosinophilic. It may contain parakeratosis or clusters of neutrophils.


Blastomycosis is caused by Blastomyces dermatitidis. Skin lesions are typically slowly advancing verrucous plaques, with central scarring and a heaped edge.


Despite the name, Histoplasma capsulatum lacks a true capsule. The organisms are similar in size and shape to Leishmania, but lack a kinetoplast. The distribution of the organisms within the histiocyte is helpful. Histoplasma organisms are evenly spaced and surrounded by a pseudocapsule. In contrast, Leishmania

Apr 26, 2016 | Posted by in Dermatology | Comments Off on Fungal infections
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