PMC3323076_01
Photomicrograph of keloidal skin lesion on patient's right upper arm.
03-0416-F1.jpg
PMC3323076_01_03-0416-F1.jpg
F1
In February 2001, a healthy, 42-year-old, female geologist from Canada came to her dermatologist with a slowly growing, 1.5-cm diameter, dusky-red, nontender, plaque-like lesion surrounded by keloidal scar tissue on the posterior aspect of her right upper arm (Figure 1).
Grocott methenamine silver-stained section of skin biopsy specimen revealing a short chain of lemon-shaped fungal cells connected by thin, tubelike bridges. Morphology is consistent with the appearance of Loboa loboi. Magnification x1,000.
03-0416-F2.jpg
PMC3323076_01_03-0416-F2.jpg
F2
The fungal cells stained strongly with periodic acid-Schiff and Grocott methenamine silver stains (Figure 2); cells were spherical or lemon-shaped, approximately 10 mum in diameter, and uniform in size.
Calcofluor white stain of skin biopsy specimen. A short chain of lemon-shaped fungal cells is seen in the left-center of the field. Cells are connected to each other by thin, tubelike structures. Magnification x400.
03-0416-F3.jpg
PMC3323076_01_03-0416-F3.jpg
F3
Calcofluor white stain (Figure 3) of fresh tissue indicated fluorescent, spherical fungal organisms similarly arranged in chains.