Kaya G, Kaya A, Saurat JH, Clinical and histopathological features and potential pathological mechanisms of skin lesions in COVID-19: review of the literature, in Dermatopathology, vol. 7, n. 1, giugno 2020, pp. 3-16, DOI:10.3390/dermatopathology7010002, PMID 32608380.
«In acral chilblain-like lesions, a diffuse dense lymphoid infiltrate of the superficial and deep dermis, as well as hypodermis, with a prevalent perivascular pattern and signs of endothelial activation, are observed.»