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Herein, we describe the clinical and dermoscopic features of multiple BIMTs in a male and female member of a Croatian family with BAP1-associated cancer susceptibility syndrome, as well as review the literature regarding dermoscopic features of BAP1-inactivated melanocytic tumours. BAP1-inactivated melanocytic tumours (BIMTs) are distinct melanocytic lesions characterised by the loss of function of the BAP1 (BRCA1-associated protein-1) gene. Previous terms used for these lesions include Wiesner nevus, BAPoma, nevoid melanoma-like melanocytic proliferations (NEMMPs), BAP1-negative melanocytic tumours, and melanocytic BAP1-mutated atypical intradermal tumours (MBAITs). Ferrara and colleagues documented a BAP1-inactivated melanocytoma (a lesion in the spectrum between a BAP1-inactivated melanocytic naevus and a BAP1-inactivated melanoma), which was clinically brownish and exophytic. [Extracted from the article]