Pilomatrixomas presenting as vascular tumors on color Doppler ultrasound

Kumaran, 2006, Pilomatrixoma—accuracy of clinical diagnosis, J Pediatr Surg, 41, 1755, 10.1016/j.jpedsurg.2006.05.005 Simon Cypel, 2007, Pilomatricoma: experience of the hospital for sick children, Can J Plast Surg, 15, 159, 10.1177/229255030701500311 Wortsman, 2010, Clinical usefulness of variable frequency ultrasound in localized lesions of the skin, J Am Acad Dermatol, 62, 247, 10.1016/j.jaad.2009.06.016 Choo, 2010, Pilomatricomas: the diagnostic value of ultrasound., Skeletal Radiol., 39, 243, 10.1007/s00256-009-0678-x Lim, 2007, Pilomatricomas in children: imaging characteristics with pathologic correlation, Pediatr Radiol, 37, 549, 10.1007/s00247-007-0461-x Wortsman, 2008, Applications of high resolution and high frequency ultrasound in vascular lesions of the skin, Rev Chil Dermatol, 24, 227 Wortsman, 2004, Real time spatial compound ultrasound imaging of skin, Skin Res Tech, 10, 23, 10.1111/j.1600-0846.2004.00048.x Bobadilla, 2008, Pre-surgical high resolution ultrasound of facial basal cell carcinoma: correlation with histology, Cancer Imaging, 22, 163, 10.1102/1470-7330.2008.0026 Paltiel, 2000, Soft tissue vascular anomalies: utility of US for diagnosis, Radiology, 214, 747, 10.1148/radiology.214.3.r00mr21747 Fronek, 1976, Quantitative ultrasonographic studies of lower extremity flow velocities in health and disease, Circulation, 53, 957, 10.1161/01.CIR.53.6.957 Viac, 1997, Expression of vascular endothelial growth factor in normal epidermis, epithelial tumors and cultured keratinocytes, Arch Dermatol Res, 289, 158, 10.1007/s004030050172 Kaddu, 1996, Morphological stages of pilomatricoma, Am J Dermatopathol, 18, 333, 10.1097/00000372-199608000-00001