http://www.appliedradiology.com RSS Feed on Applied Radiologyhttp://www.appliedradiology.com//Issues/1998/06/Articles/Clinical-Quiz.aspxA child is brought to the emergency room by his parents, who maintain that he fell down a flight of stairs. They also describe easy bruisability. Frontal radiographs of the skull (figure 1), right shoulder (figure 2), and left wrist (figure 3) are shown, along with a posterior gamma camera view from a radionuclide bone scan (figure 4). What is the most likely diagnosis?Thursday, 21 Sep 2000 17:47:43 GMT