Erythrasma

Synonyms: None

Clinical Presentation (Fig. 14A):

■ Solitary patches and subtle red plaques covered by fine scales

■ Coral-red fluorescence when exposed to Wood's light

■ Intertriginous regions

■ Elderly persons of both sexes, especially those with diabetes mellitus

■ Recurrences are common

Histopathology (Figs. 14B and C):

■ Sparse superficial perivascular infiltrate of lymphocytes

■ Slight orthokeratosis

■ Blue-staining organisms in the form of delicate rods and filaments in the cornified layer

■ Gram stain shows delicate gram-positive rods and filaments in the cornified layer

Clinicopathologic Correlation:

Differential Diagnosis:

Candidiasis

Tinea Corporis

Pseudohyphae in the cornified

Hyphae in the lowermost part of the

layer oriented both vertically and

cornified layer, oriented horizontally

horizontally on all levels of the

Was this article helpful?

0 0

Post a comment