Frontal sinus agenesis
The underdevelopment or aplasia of the frontal sinus is a rare phenomenon that occurs unilaterally in about 4% of cases and bilaterally in approximately 5% of cases.
frontal_sinus_agenesis
The underdevelopment or aplasia of the frontal sinus is a rare phenomenon that occurs unilaterally in about 4% of cases and bilaterally in approximately 5% of cases.