Q: Skin findings in cholesterol crystal emboli are more pronounced at? (select one)
A) arterial area
B) venous area
The classic cutaneous manifestations of cholesterol emboli are livedo reticularis, gangrene, cyanosis, ulcer, purpura, petechiae, splinter, and/or firm, painful erythematous nodules.
Contrary to popular belief, these signs tend to occur around/at palpable arterial pulse. The most common etiology for cholesterol emboli is manipulation of an artery like angiography, and embolization occurring in smaller arteries down the system.
1. Donohue KG, Saap L, Falanga V. Cholesterol crystal embolization: an atherosclerotic disease with frequent and varied cutaneous manifestations. J Eur Acad Dermatol Venereol 2003; 17:504.
2. Fine MJ, Kapoor W, Falanga V. Cholesterol crystal embolization: a review of 221 cases in the English literature. Angiology 1987; 38:769.
3. Falanga V, Fine MJ, Kapoor WN. The cutaneous manifestations of cholesterol crystal embolization. Arch Dermatol 1986; 122:1194.