PILOMATRIXOMA https://www.ximenawortsman.com/apps/photos/ PILOMATRIXOMA Fig. 1 Clinical image.3 y-o child with a slighly erythematous and painless lump (arrows) in the left aspect of the neck. https://www.ximenawortsman.com/apps/photos/photo?photoID=146764002 146764002 Fig. 2 Ultrasound (grey scale, transverse view, left aspect of the neck) shows oval shaped nodule located in the dermis and subcutaneous tissue with hypoechoic rim and hyperechoic spots (arrowheads). Abbreviations: d, dermis; st, subcutaneous tissue; r, rim https://www.ximenawortsman.com/apps/photos/photo?photoID=146764003 146764003 Fig. 3 Ultrasound ( color Doppler, transverse view, left aspect of the neck) demonstrates a few vessels in the periphery of the nodule (*) https://www.ximenawortsman.com/apps/photos/photo?photoID=146764004 146764004