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![Thornwaldt's Bursa [Cyst] MRI](https://medtube.net/images/min/a40fb58fa5b684abc6a9dd7c64b9f538/149/112/1 "Thornwaldt's Bursa [Cyst] MRI")
Thornwaldt's Bursa [Cyst] MRI
The brightly illuminated round area in the nasopharynx of this patient is a Thornwaldt's cyst. When drained, the contents consisted of a thick opalescent mucoid material.
![Thornwaldt's Bursa [Cyst]](https://medtube.net/images/min/a521dfba55b39f3743a4b30a4fc77838/149/112/1 "Thornwaldt's Bursa [Cyst]")
Thornwaldt's Bursa [Cyst]
The large mass arising from the posterior nasopharyngeal wall is a rare congenital anomaly known as a Thornwaldt's cyst or bursa. These cysts are filled with a thick opalescent mucoid material.
![Large Frontoethmoidal Mucocele with Expansion into the Orbit [CT axial scann]](https://medtube.net/images/min/ef169ce8edae2e40c75ade0d2b92bdf6/149/112/1 "Large Frontoethmoidal Mucocele with Expansion into the Orbit [CT axial scann]")
Large Frontoethmoidal Mucocele with Expansion...
This patient has a large right the anterior ethmoidal mucocele is extensive intraorbital extension. Note the severe displacement of both the right globe and the optic nerve in this axial CT scan. Courtesy...
Antrochoanal Polyp
This antrochoanal polyp originated from within the left maxillary sinus. Note the stalk of the polyp as it enters the nasal cavity via an accessory maxillary sinus ostium located in the anterior nasal...
Pre-Septal Orbital Edema Secondary to Acute Anterior...
Note the severe edema of both eyelids which was the result of an acute anterior ethmoid sinus infection.
Numerous Nasal Polyps with Extension into the...
This patient had five discrete large nasal polyps in each nasal cavity. On the right side one of these large nasal polyps can be seen extending posteriorly along the floor of the nose and blocking the...
Frontoethmoidal Mucocele with Intraorbital Expansion
This patient has a large right frontoethmoidal mucocele with massive displacement of the right eyeball.
Chronic Ethmoid Sinusitis
This is the right middle meatus of a patient who continued to suffer from recurrent episodes of sinusitis despite a previous inferior meatal antrostomy and a partial resection of the inferior turbinate....
Typical Large Polyp Entering the Left Choana
This large solitary polyp has entered but not excluded the left choana in this patient. It site of origin was from the middle turbinate.
Inverting Papilloma of the Sphenoid Sinus
The irregular "polypoid" growth extending from the ostium of this left sphenoid sinus is an inverting papilloma. Courtesy of Professor Heinz Stammberger, University of Graz, Austria
Inverting Papilloma Nasal Cavity
This patient presented with a history of left-sided nasal polyps, which had been removed three times in the past year. On close inspection, the anterior surface of the middle turbinate had a knobbly appearance...
Pyogenic Granuloma
The large red granulation tissue mass arising from the right anterior ethmoid is a pyogenic granuloma the developed one week after endoscopic sinus surgery. Courtesy of Professor Heinz Stammberger, University...
![Large Inverting Papilloma [Surgical Specimen]](https://medtube.net/images/min/fbbb4dc6e884ddf297dc0c8602c87ab1/149/112/1 "Large Inverting Papilloma [Surgical Specimen]")
Large Inverting Papilloma [Surgical Specimen]
This is the surgical specimen of a large inverting papilloma which originated in the right nasal cavity and extended posteriorly through the nasopharynx into the left choana.
Large Inverting Papilloma Extending into Choana
This large inverting papilloma which originated in the right nasal cavity has extended posteriorly through the nasopharynx to enter the left posterior choana.
Inverting Papilloma Right Nasal Cavity A
This patient presented with a history of bilateral nasal obstruction. Endoscopic examination revealed an irregular polypoid mass arising from the right superior turbinate and extending anteriorly into...
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