Fig. 3. Acute proptosis in childhood. Top. A 5-year-old boy with 6-day history of massive firm swelling in upper lid and downward displacement of globe by rhabdomyosarcoma occupying orbital roof. Bottom. A 7-year-old boy with 3-day course of painful red swelling and complete ptosis of right lid; orbital cellulitis secondary to ethmoiditis resolved quickly on antibiotic therapy.