Figure 36. Glomus tumor. Photograph (right) shows the area scanned. A 47-year-old woman complained of sharp pain during compression and a temperature change in her right index fingertip. Sagittal (Sag) US scan shows a well-defined hypoechoic nodule (G) with bone erosion (arrows). Color Doppler scan shows hypervascularity in the nodule. A glomus tumor was identified.