PMC9382060_01
Edematous and erythematous papules and plaques on the forehead.
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He presented multiple, tender, indurated erythematous papules and plaques over his face, trunk, upper, and lower limbs (Figures 1-4).
Multiple edematous, erythematous, and well-demarcated papules and plaques on the
trunk.
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He presented multiple, tender, indurated erythematous papules and plaques over his face, trunk, upper, and lower limbs (Figures 1-4).
Edematous and erythematous papules of an arm.
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He presented multiple, tender, indurated erythematous papules and plaques over his face, trunk, upper, and lower limbs (Figures 1-4).
Numerous edematous, erythematous, and well-demarcated papules and plaques on the
legs.
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He presented multiple, tender, indurated erythematous papules and plaques over his face, trunk, upper, and lower limbs (Figures 1-4).
Skin biopsy show superficial and mid dermal histiocytoid cells infiltrate with a few
accompanying T lymphocytes (low power view, hematoxylin and eosin stain).
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Histopathology revealed superficial and mid-dermal histiocytoid cells infiltrate with a few accompanying T lymphocytes (Figures 5 and 6).
High power view of histiocytoid cells infiltrate in the dermis on hematoxylin and eosin
stain.
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Histopathology revealed superficial and mid-dermal histiocytoid cells infiltrate with a few accompanying T lymphocytes (Figures 5 and 6).
CD68 antibody staining of histiocytoid cells.
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Histiocytoid cells were CD68+, CD163+, and myeloperoxidase+ (Figures 7 and 8).
Myeloperoxidase (MPO) antibody staining of histiocytoid cells.
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Histiocytoid cells were CD68+, CD163+, and myeloperoxidase+ (Figures 7 and 8).