PMC9629920_01
A 7 cm, irregular scaly pink, brown plaque of giant dermatofibroma with satellite lesions on the right shin of a young male. An asymptomatic and slow growing lesion which was nonulcerated.
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fig1
Dermoscopy showed nondiagnostic erythema and some glomerular vessels (Figure 1).
Histopathology of the large plaque with H&E stain at 40x magnification. Dermatofibroma with the overlying grenz zone and epidermal hyperplasia.
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fig2
The lesion extended focally in the subcutis along the septa and was associated with hyalinised collagen and a small number of blood vessels (Figures 2 and 3).
Histopathology H&E stain (magnification x 100). Weaving bland spindle cells around reticular collagen in the dermis.
CRIDM2022-2542404.003.jpg
PMC9629920_01_CRIDM2022-2542404.003.jpg
fig3
The lesion extended focally in the subcutis along the septa and was associated with hyalinised collagen and a small number of blood vessels (Figures 2 and 3).