PMC5726667_01
A. Generalized hyperpigmented patches with discrete
hypopigmented macules on the upper chest, lumbar areas, elbows, and
extensor sides of the upper limbs. B. Generalized
reticulate hyperpigmentation with guttate hypopigmented macules
especially on the knees, anterior sides of the legs and thighs
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PMC5726667_01_abd-92-05-s1-0021-g01.jpg
f1
On physical examination, generalized reticulate hyperpigmented patches and discrete hypopigmented macules, which were predominant on the back, upper chest, lumbar areas, elbows, and knees, were observed (Figure 1).
Positive staining of amyloid deposits with Crystal violet in the
papillary dermis (Hematoxylin & eosin, X200)
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f2
Crystal violet stain was positive, compatible with amyloidosis (Figure 2).