paranasal sinus


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paranasal sinus

[¦par·ə¦nā·zəl ′sī·nəs]
(anatomy)
Any of the paired sinus cavities of the human face; includes the frontal, ethmoid, and sphenoid sinuses.
References in periodicals archive ?
Several conditions have been reported as risk factors for paranasal sinus mucoceles after endoscopic sinus surgery: (1) surgery during acute infection, (2) the presence of multiple mucoceles, and (3) significant extension of the mucocele outside the sinus wall.
3) reported that mucoceles arose most frequently from the ethmoid sinus in their paranasal sinus mucocele case series, which was composed of 10 pediatric patients.
According to the infectious hypothesis, chronic inflammation has a crucial role in the formation of paranasal sinus osteomas.
Mucocoeles of the paranasal sinuses are benign, expansile paranasal sinus masses; with time they slowly enlarge to expand and erode bony structures.
By definition a completely opacified, nonenhancing and mucus-filled expanded sinus, a mucocele is the most common expansile mass of a paranasal sinus (Figure 3).
Patients who were diagnosed with and had treatment for paranasal sinus mucocele with orbital extension between 2005-2012 were included in this retrospective study.
Mucoceles of the paranasal sinus are benign pseudocystic lesions that develop following obstruction of the sinus ostium and drainage pathway.
The last paranasal sinus to develop between the inner and outer table of the frontal bone is the frontal sinus.
Within the head and neck area, leiomyosarcomas frequently develop in the nasal and paranasal sinus areas, although this accounts for only about 3% of all leiomyosarcomas.
Table 3: Sensitivity, specificity, positive predictive value, negative predictive value and accuracy of xray paranasal sinuses for diagnosing paranasal sinus diseases.
This patent and Acclarent's earlier 7,462,175 patent are directed to methods for treating a paranasal sinus ostium, such as the maxillary sinus ostium, either through the nostril or other routes.
Growth pattern of the maxillary sinus in the Japanese Macaque (Macaca fuscata): reflections on the structural role of the paranasal sinus.