By Gary M. White, MD
Vascular plaques formed on the legs after cellulitis. Slight blanching in the center may be seen after compression.
Reactive angiomatosis is the vascular proliferation in response to cellular injury from a variety of causes including emboli, cellulitis, arteriosclerosis, and other causes of hypoxia.
Vascular papules, plaques, and nodules or reticulate erythema with or without ulceration most commonly form on the legs, often in the setting of edema/venous insufficiency. They may ulcerate or bleed. Lesions may also occur on the breasts [JAAD 2014;71;1212], abdomen, or forearms.
Treatment is not needed. No intervention is reliably effective. Compression stockings and control of edema may be helpful for lower extremity lesions--at least with the hope of halting progression. Results with thalidomide, radiation therapy, and sirolimus have not been impressive. Small lesions may be destroyed with curettage and electrocautery.
A 60-year-old woman with a painful, erythematous lesion of 1-year duration on the right buttock. There were superficial ulcerations at two places for 2 months. On examination, lacy, nonblanchable, reticular erythema diffusely involving the right buttock was seen. Two ulcers of size 5 cm × 3 cm and 2 cm × 2 cm covered with hemorrhagic crust were present. Indian J Dermatol Venereol Leprol 2017;83:622-4
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