Fig. 1

Nailfold capillaroscopic image from a patient with systemic sclerosis showing: (A) avascular area (gap > 0.5 mm), (B) prominent megacapillaries ( apical dimension ≥ 50 µm), and neoangiogenic capillary loops (bushy, tortous capillary formation). Image acquired at × 200 magnification. Scale bar: 0.2 mm. These finding highlights significant microvascular alterations associated with systemic sclerosis.