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.

Mucoceles are cystic masses that generally affect the sinuses. It occurs as a result from obstruction of the ostium of a sinus and consequential accumulation of mucus. Frontal and ethmoid sinuses are ...

Know from doctor Uncover the hidden causes of sinus pain! Learn from a doctor about the types of tumours that can mimic chronic sinusitis or facial pain symptoms and when to seek medical attention.

Ann Arbor ‘Pattern emerging’ with University of Michigan’s Chinese student cases, expert says Updated: Jun. 11, 2025, 3:59 p.m. | Published: Jun. 11, 2025, 1:49 ...

SAN FRANCISCO — Pattern Energy Group LP (Pattern Energy), a leader in renewable energy and transmission infrastructure, today announced that a consortium headed by APG Asset Management N.V. (APG), on ...