Pediatric Pilomatricoma

  • Etiology: benign skin tumor arising from hair follicle
  • US: subcutaneous location, hypoechoic rim and internal reticulation or echogenic dots, often has internal vascularity, may be densely calcified with posterior shadowing
  • DDX:
  • Complications:
  • Treatment:
  • Clinical:

Radiology Cases of Pilomatricoma

Radiograph and US of pilomatricoma
AP radiograph of the forearm (left) shows a round faintly calcified lesion lateral to the diaphysis of the radius. Transverse (above right) and sagittal (below right) US images of the lesion show it to be in the subcutaneous tissues and to have a heterogenous speckled appearance.