<div id="article-content-body"><p>Q:<strong> During my training, most pediatric endocrinologists were using the "70/30 rule" or the "rule of fifths" to...
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Lin Lin Kin, MD; Mohammed Alsheikh Absi, MD; Marie Edith Calixte, MD
Sixteen-year-old boy referred to pediatric emergency department (ED) by his primary care physician with a history of headache, blurred vision, and mild proptosis of right eye.