Synonyms: Ostiomeatal unit, Osteomeatal complex, OMC Definition: The term “ostiomeatal unit” represents the area on the lateral nasal wall (middle meatus) that receives drainage from the anterior and medial ethmoid cells, frontal sinus, and maxillary sinus. It is an antomically constricted area that is prone to blockage, especially in the…
Tag: Radiology

Triangles and Lymph node levels of Neck
There are 2 major triangles in the neck, containing other smaller triangles. 1. Anterior triangle: Midline of neck – Mandible – Anterior border of SCM Posterior triangle: Posterior border of SCM – Trapezius – Clavicle (level V); 2 triangles inside separated by inferior belly of omohyoid Surgically, cervical lymph nodes…
X-ray Soft Tissue Neck
Anatomy: Retropharyngeal space: Extends from the base of the skull down to the level of the carina, and is located between the buccopharyngeal mucosa and the prevertebral fascia. Prevertebral space: A potential space that is located between the anterior aspect of the vertebral body and the prevertebral fascia. It is located directly posterior to…
X-ray of Mastoids
While we have more sophisticated radiological techniques of examination of the mastoids, the ability to read an X-ray of mastoid is a must for the undergraduate students of the medicine. While describing an X-ray in ENT or Otorhinolaryngology, you need to comment on these points: Plain or Contrast Regions: Mastoid,…