Dr Nayan Shetty, ENT Specialist, Wockhardt Hospitals Mumbai Central, reveals, “Comprising of frontal, maxillary, ethmoid, and ...

The frontal sinuses show the most anatomic variation such as congenital absence or hypoplasia (Fig. 1). The sphenoid sinuses, located posteriorly, form last. Anatomy of Sinuses-Artist's Rendition.

headache, and tenderness. If the infection is in the posterior ethmoids and sphenoid, symptoms are described as deep in the head or referred to the occiput. Acute sinusitis is also typically ...