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Examples of patients with persistent acral manifestations who experienced chilblain recurrences. (A, B) Distal erythema of multiple toes with some oedema in a symmetrical pattern, leaving persistent cyanotic discoloration (patient numbers 3 and 35). (C) Violaceous and erythematous papules and patches on the toes (patient number 29). Patient numbers are reported in Fig. 4.
