A 47 year old woman who presented with a painless mass between the third and fourth fingers.
Images of the hand are as follows:
Fig. 2a: Gray scale image shows a solid hypoechoic lesion on the palmar side of the hand between the third and fourth metacarpal bones that abuts the flexor tendon sheaths of the third and fourth flexor tendons.
Fig. 2b: Color Doppler flow shows peripheral and central flow on color Doppler in the mass described in figure 2a.Click below to take the self evaluation quiz for this case. After successfully passing the quiz you can view explanatory notes about the choices as well as references for further reading before proceeding to the next case.
