Cutaneous histopathology of maculopapular skin rash, (A) Black arrow- Exocytosis of extravasated lymphocytes.
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posted on 2014-09-18, 03:45 authored by Kosala Weerakoon, Senanayake A. M. Kularatne, Jayanthe Rajapakse, Sanjaya Adikari, Roshitha WadugeWhite arrow – Focal swelling of endothelium (haematoxyline-eosin; original magnification ×200), (B) Arrows indicate the vacuolations in the basal cells of epidermis, (C) Black arrow – Ectatic upper dermal blood vessels. White arrow – extravasated red blood cells, (D) Black arrows – Lymphocytic infiltrates in perivascular spaces. White arrows – Focal swelling of endothelium and ectatic upper dermal blood vessels, (E) White arrow – Fibrinoid necrosis of a dermal vessel wall. Black arrow – Presence of fibrin thrombi. (hematoxyline-eosin; original magnification ×800). Scale bars = 50 µm.
