Pseudo-Kaposi sarcoma (PKS) can occur with a number of conditions. While the lesions may grossly resemble Kaposi's sarcoma, the histologic features differ.
The gross appearance may include:
(1) brown macules
(2) purplish or violaceous nodules
(3) purplish or violaceous plaques
(4) verrucous lesions
(5) cutaneous ulcerations
Factor VIII antigen
Congenital conditions associated with PKS:
(1) Stewart-Bluefarb syndrome (with congenital arteriovenous malformation)
Acquired conditions associated with PKS:
(1) chronic venous insufficiency
(2) amputation stump
(3) adjacent to arteriovenous fistulas created for hemodialysis
(4) paralyzed extremity
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