Hypoplasia or underdevelopment of the frontal sinuses is an unusual phenomenon. Computed tomography (CT) scans must be performed to map sinus anatomy and to assess the extent of the pathologic abnormality so that anatomical variants can be noted by the surgeon and complications can thus be avoided.

What does hypoplastic frontal sinuses mean?

Decreased volume of frontal sinuses ; Small frontal sinuses ; Underdeveloped frontal sinuses. Narrow Synonyms: Decreased pneumatization of frontal sinus. Related Synonyms: Hypotrophic frontal sinus.

What is hypoplastic in the sinuses?

Maxillary sinus hypoplasia (MSH) is an uncommon abnormality of paranasal sinuses noted in clinical practice. Computed tomography (CT) scan helps in diagnosing the anomaly along with any anatomical variation that may be associated with it. MSH is usually associated with other anomalies like uncinate process hypoplasia.