What does opacification of maxillary sinus mean?
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What does opacification of maxillary sinus mean?
Sinonasal inflammatory disease with sinus ostial obstruction is a very common cause of an opacified paranasal sinus. An air-fluid level suggests acute sinusitis; in chronic sinus disease, one may see mucosal thickening and sclerosis of the bony sinus walls. 1. The sinus is normal in size.
What is polypoid opacification?
Polypoid lesions were defined as homogenous round opacities with distinct demarcating boundaries at the base (Fig. 2) while partial opacification was defined as at least one-third of the maxillary sinus being opacified without clear distinct boundaries (Fig. 3).
What is polypoid mucosal thickening in maxillary sinus?
Pathology. Polypoid mucosal thickening may be seen in the affected sinuses. Polypoid soft-tissue masses may be seen to extend from the sinuses into the nasal cavities. The ostiomeatal complexes may be obstructed by a concha bullosa, an enlarged bulla ethmoidalis, a long infundibulum, or a mucocele.
What does opacification mean on CT scan?
Pulmonary opacification represents the result of a decrease in the ratio of gas to soft tissue (blood, lung parenchyma and stroma) in the lung. When reviewing an area of increased attenuation (opacification) on a chest radiograph or CT it is vital to determine where the opacification is.
What causes complete opacification of maxillary sinus?
Mucoceles are most often caused by sinus ostial obstruction that leads to complete opacification of the sinus because of an accumulation of secretions. In many instances, the entire sinus may be expanded on radiologic imaging.
What is the main cause of polyploidy?
Polyploids arise when a rare mitotic or meiotic catastrophe, such as nondisjunction, causes the formation of gametes that have a complete set of duplicate chromosomes. Diploid gametes are frequently formed in this way.
What are the types of polyploidy?
Stebbins distinguished three major types of polyploids: autopolyploids, allopolyploids and segmental allopolyploids (Stebbins, 1947). In autopolyploids all genomes are identical or very similar and arise via genome duplication within the same species (Stebbins, 1947; Lewis, 1980).
How do you fix sinus opacification?
Treatment
- Nasal corticosteroids.
- Saline nasal irrigation, with nasal sprays or solutions, reduces drainage and rinses away irritants and allergies.
- Oral or injected corticosteroids.
- Allergy medications.
- Aspirin desensitization treatment, if you have reactions to aspirin that cause sinusitis and nasal polyps.
Does opacification mean?
Medical Definition of opacification : an act or the process of becoming or rendering opaque opacification of the cornea opacification of the bile passages for radiographic examination.
