Ethmoid sinusitis is the inflammation of a specific group of sinuses — the ethmoid sinuses — which sit between the nose and eyes. The ethmoid sinuses are hollow spaces in the bones around the ...

The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. It is very small at birth and becomes walnut-sized during puberty.

However, plain film radiographs provide poor visualization of the ethmoid sinus due to density averaging. Plain films are therefore useful for diagnosing frontal and maxillary sinus disease but ...

There are 5 stages of maxillary sinus cancer, numbered from 0 to 4. TNM staging and grading for ethmoid sinus cancer The tumour, node and metastasis (TNM) staging and grading for ethmoid sinus cancer ...

Tumour describes the size of the tumour (area of cancer). Tis (carcinoma in situ) means the tumour is in the top layer of cells that line the inside of the ethmoid sinus and has not grown deeper. T1 ...

but congenital absence or hypoplasia of one or more sinus cavities is not uncommon. The maxillary and ethmoidal sinuses form during the third and fourth month of gestation and are present at birth.

In fact, babies do have sinuses capable of getting infected—their maxillary and ethmoid sinuses are too tiny to see on an X-ray, but they exist—but they totally lack the frontal sinuses that ...

This X-ray of a human skull highlights the main nasal cavity (orange) and the sinuses: frontal (pink), ethmoid (yellow), maxillary (green) and sphenoid (purple). Asian apes do not have frontal or ...

PROPEL Mini helps maintain the sinus opening while delivering mometasone furoate directly where it is needed, improving outcomes of frontal (behind the forehead) and ethmoid (behind the bridge of ...