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In this review we summarize the characteristic features of multiple eruptive dermatofibromas based on an analysis of cases in the literature. Many researchers have reported multiple eruptive dermatofibromas diagnosed using the definition of "multiple" as the presence of at least 15 lesions. However, this criterion is arbitrarily chosen and might not be entirely valid for all cases. A more precise definition may include the eruption of several multiple eruptive dermatofibromas reported within a short period of time. Because more than half of the patients with multiple eruptive dermatofibromas have underlying diseases, and more than 80% of the underlying diseases are immunemediated, multiple eruptive dermatofibromas could possibly be considered as a partial manifestation of an immune-mediated disease. This underscores the possibility of early diagnosis of immune-mediated diseases in patients with multiple eruptive dermatofibromas. [ABSTRACT FROM AUTHOR]