Synonyms: Pityriasis versicolor; dermatomycosis furfuracea.
Clinical Presentation (Fig. 13A):
■ Slightly scaly macules and patches
■ Hypopigmented in dark-skinned and hyperpigmented in light-skinned persons
■ Symmetrical on the trunk, sometimes involving proximal extremities
■ Recurrences are the rule
Histopathology (Figs. 13B and C):
■ Sparse superficial perivascular infiltrate of lymphocytes
■ Short branching septate hyphae and spores in the corni-fied layer
■ Slight hyperkeratosis in basket-weave fashion
■ Slight spongiosis and parakeratosis rarely
Malassezia furfur in the cornified layer
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