Fig. 1From: Case series of extradigital glomus tumors: imaging findings, differential diagnosis and radiologic–pathologic correlationSonographic appearance of non-subungual glomus tumors in different patients. a B mode ultrasound appearance: small, hypoechoic, well defined, horizontally oriented nodule. b Spectral Doppler study shows arterial flow. c Doppler study shows the “Vascular stalk sign”Back to article page