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Glomus tumor in the subungual space. No clear alterations were visible during clinical examination at the site of pain (circle in (a)). In (b), UHFUS effectively demonstrates the presence of a hypo-isoechogenic nodule (calibers) in contact with the adjacent phalangeal bone (arrowhead) under the nail plate (arrows). Note the small deformation of the nail plate. Mild vascularization on color Doppler was present (c).
