PMC4763579_01
Nonblanchable macules and petechiae on lower extremity
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F1
Cutaneous examination revealed erythematous to hyperpigmented nonblanchable, nontender macules and petechial lesions over both the lower extremities [Figure 1].
Dilated superficial vessels with pinkish hyaline deposit in the vessel wall. (Hematoxylin and Eosin x100)
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F2
The affected vessels showed abundant pink collagenous deposit in the wall and moderately dense lymphocytic infiltrate around them [Figures 2 and 3].
Dilated superficial vessels with pink hyaline deposit in the vessel wall. (Hematoxylin and Eosin x400)
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F3
The affected vessels showed abundant pink collagenous deposit in the wall and moderately dense lymphocytic infiltrate around them [Figures 2 and 3].
PAS positive hyaline deposit in the vessel wall. (Periodic Acid Schiff x400)
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F4
The collagenous deposits in the vessel walls were Periodic Acid Schiff (PAS) positive [Figure 4].