The article describes the case of a 31-year-old man diagnosed with linearly distributed angioma serpiginosum (AS). Topics discussed dermoscopic findings of comma hairpin vessels and demarcated red lagoons, the lesions' extension to the lower arm and trunk, the absence of vascular abnormality, and the lesions' grouping in patches resembling a net pattern. Also mentioned are the proliferation of ectatic capillaries in the papillary and upper dermis and differential diagnoses.