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Combined sphenoid and frontal sinus aplasia accompanied by bilateral maxillary and ethmoid sinus hypoplasia

Departments of ¹ Radiology and ² Otorhinolaryngology, Afyon Kocatepe University, Faculty of Medicine, Mavi Hastane, 03120, Afyon, Turkey

View larger version (166K): [in a new window]   Figure 1. Consecutive axial CT slices of paranasal sinuses demonstrates the lack of pneumatization in expected locations of sphenoid and frontal sinuses and bilateral hypoplastic maxillary and ethmoid sinuses. A slight deviation of nasal septum towards the left side and bilateral soft tissue densities in maxillary sinuses are noticed (top left).

View larger version (125K): [in a new window]   Figure 2. Sequential CT slices of paranasal sinuses in coronal plane shows the same findings in Figure 1: bilateral hypoplastic maxillary and ethmoid sinuses and bilateral frontal and sphenoid sinus aplasias. A slight deviation of nasal septum towards the left side and bilateral soft tissue densities in maxillary sinuses are also seen.