Radiological Case of the Month

A HEALTHY 10-year-old child was referred to the pediatric endocrinology clinic because of the abnormal appearance of the sella turcica on a skull roentgenogram (Figure 1). Radiography had been performed to document cysts of the oral region. No history of frontal headache or sinusitis was noted. The results of a physical examination demonstrated a well-developed boy with appropriate growth and normal neurologic examination. The results of an examination of both visual fields and the ocular fundus were normal. Magnetic resonance imaging of the brain was performed (Figure 2).

Denouement and Discussion 

Mucocele of the Sphenoid Sinus  A sphenoid sinus mucocele was diagnosed, and surgical transnasal resection of the mucocele was undertaken. The anterior wall of the sphenoid sinus was thin. During excision, fluid was evacuated and a cystic structure was removed. The posterior aspect of the roof of the sphenoid sinus was eroded, and the dura mater was visible. The