Figure Legends
Figure 1. Clinical features. a. Erythematous, ill-defined plaques on the
upper chest and neck (previous radiotherapy site), with focal dry
desquamation b. Significant improvement of the lesions after 10 days of
treatment
Figure 2. Histopathological features. a. Hyperkeratosis, focal
spongiosis, and upper dermal perivascular infiltration [Hematoxylin
and eosin (H&E) stain, 40×] b. Hyperkeratosis, parakeratosis, focal
spongiosis (black arrow), focal basal cell degeneration (green arrow),
and dilated vessels in the dermis (blue arrows) (H&E stain, 100×) c.
Basal cell degeneration (green arrow), and high apoptotic cells (black
arrow) in the epidermis (H&E stain, 400×) d. Superficial dermal
perivascular, mononuclear cell infiltrate admixed with eosinophils
(green arrows) and dilated blood vessels (black arrow) (H&E stain,
400×)
Figure 3. Histopathological features. Increased mast cell infiltration
(red arrows) in the upper dermal infiltration (Giemsa stain, 400×)