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![Giant Maxillary Sinus Mucocele [CT scan – axial view]](https://medtube.net/images/min/970f7a16830cfe6ab9a2baca8c9ca57a/149/112/1 "Giant Maxillary Sinus Mucocele [CT scan – axial view]")
Giant Maxillary Sinus Mucocele [CT scan – axial...
A mucocele develops the paranasal sinuses when there connection with the respiratory tract is blocked [the ostium]. This results in time of complete resorption of the air within the sinus and as the mucoperiosteum...
![Right Frontal Sinus Fistula Post Trephination [CT scan]](https://medtube.net/images/min/3b896d43f14ae5836685655bf8847451/149/112/1 "Right Frontal Sinus Fistula Post Trephination [CT scan]")
Right Frontal Sinus Fistula Post Trephination...
A fistula tract has developed through the floor of the right frontal sinus at the site of a previous frontal sinus trephine performed for the treatment of a frontal sinus mucocele. The coronal CT scan...
Frontal Sinus Fistula
A fistula tract has developed through the floor of the right frontal sinus at the site of a previous frontal sinus trephine performed for the treatment of a frontal sinus mucocele. As the obstruction...
Maxillary Sinus Mucocele
When the ostium of one of the paranasal sinuses is occluded, the mucoperiosteal lining will continue to produce mucus which cannot escape from the sinus and will accumulate under such pressure that it...
![Giant Maxillary Sinus Mucocele [CT scan – coronal view]](https://medtube.net/images/min/cc613dcfec67fe0698cc5eef7eeea7fa/149/112/1 "Giant Maxillary Sinus Mucocele [CT scan – coronal view]")
Giant Maxillary Sinus Mucocele [CT scan – coronal...
Note the Giant Maxillary Sinus Mucocele seen in this Coronal CY Scan.
![Anterior Ethmoidal Mucocele With Extensive Intraorbital Extension [CT Scan]](https://medtube.net/images/min/8bb03f5015b728e5786622208767c0d5/149/112/1 "Anterior Ethmoidal Mucocele With Extensive Intraorbital Extension [CT Scan]")
Anterior Ethmoidal Mucocele With Extensive Intraorbital...
Note in this coronal CT scan, the large mucocele of the right anterior ethmoid which has extended extensively into the right orbit and cause severe displacement of the globe.
Frontal Sinus Mucocele with Extension into the...
The lateral and inferior displacement of this patient's globe was caused by a large frontal sinus mucocele that had extended inferiorly into the anterior orbit and superiorly through the anterior skull...
Frontal Bone Osteomyelitis
Note the swollen for head in this nine-year-old with frontoethmoidal sinusitis that has extended into the frontal bone causing osteomyelitis.
Sphenoid Sinusitis
The mucopurulent discharge from this right sphenoid sinus ostium confirms the presence of chronic sphenoid sinusitis. Courtesy of Professor Heinz Stammberger, University of Graz, Austria.
![Allergic Fungal Sinusitis [contents of maxillary sinus]](https://medtube.net/images/min/38a7fc3ced76095b08584c7960d00eda/149/112/1 "Allergic Fungal Sinusitis [contents of maxillary sinus]")
Allergic Fungal Sinusitis [contents of maxillary...
This photograph demonstrates clearly the rubbery and sticky consistency of the contents within the sinus of a patient with allergic fungal sinusitis. When operating upon these patients it is important...
![Allergic Fungal Sinusitis [contents of the maxillary sinuses]](https://medtube.net/images/min/cb95d5d20e7d95dee59226a75ad0dc5a/149/112/1 "Allergic Fungal Sinusitis [contents of the maxillary sinuses]")
Allergic Fungal Sinusitis [contents of the maxillary...
This photograph shows the contents of the maxillary sinuses in a patient with allergic fungal sinusitis and recurrent nasal polyps. These khaki coloured rubbery masses contained numerous entrapped elements...
![Severe Allergic Fungal Sinusitis [CT scan]](https://medtube.net/images/min/4c3dcf6bee120bc2882efd5a545afc03/149/112/1 "Severe Allergic Fungal Sinusitis [CT scan]")
Severe Allergic Fungal Sinusitis [CT scan]
While the etiology of the nasal polyps is yet to be fully understood, the role of allergy is undisputed. This patient with the ASA triad has had four endo- nasal polypectomys in the past 14 months. After...
![Fungal Sinusitis [CT Scan]](https://medtube.net/images/min/048736b7e99769b79a4ba0e7f1e8bcde/149/112/1 "Fungal Sinusitis [CT Scan]")
Fungal Sinusitis [CT Scan]
The presence of an area of increased radio opacity on CT scan within the paranasal sinuses usually indicates the presence of fungal sinusitis.
![Maxillary Sinus Hypoplasia Type 2 [contents]](https://medtube.net/images/min/945e1a1ebcffb879566455e9c55862bb/149/112/1 "Maxillary Sinus Hypoplasia Type 2 [contents]")
Maxillary Sinus Hypoplasia Type 2 [contents]
Type II, maxillary sinus hypoplasia is characterized by the absence or hypoplasia of the uncinate process, an ill-defined infundibular passage, and soft-tissue density opacification of a significantly...
![Maxillary Sinus Hypoplasia Type 1 [CT scan]](https://medtube.net/images/min/99cf45c38a764f28c545f2701bc19d57/149/112/1 "Maxillary Sinus Hypoplasia Type 1 [CT scan]")
Maxillary Sinus Hypoplasia Type 1 [CT scan]
Type I maxillary sinus hypoplasia is characterized by a normal uncinate process, a well-defined infundibular passage, and mild sinus hypoplasia. This is demonstrated on this patient's coronal scan [right...
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