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![Rhinolith [CT scan]](https://medtube.net/images/min/3368ac58c6f087c58671771b7a9bc655/149/112/1 "Rhinolith [CT scan]")
Rhinolith [CT scan]
Rhinolith are radiopaque and can be clearly seen on a CT scan. The radiolucent slit seen inside this large rhinolith identifies the location of the foreign body, which in this case was a plastic tiddlywink.
Rhinolith
If an inert foreign body remains within the nasal cavity for many years, it may become surrounded by a calcified coating. Such a "nasal stone" is termed a rhinolith. Rhinoliths have a whitish...
Foreign Body Nasal Cavity of Dental Origin
The mental "roots" of a dental implant have perforated the hard palate and pierced into this inferior left nasal turbinate. The patient presented complaining of offensive smell and crusting...
![Accessory Maxillary Sinus Ostium [small]](https://medtube.net/images/min/02be235b3895c02d2f4ea4243d136b8e/149/112/1 "Accessory Maxillary Sinus Ostium [small]")
Accessory Maxillary Sinus Ostium [small]
Accessory maxillary sinus ostia located in the anterior or posterior nasal fontanelle's are not infrequently seen in the middle meatus. A small accessory ostium is present in the anterior nasal fontanelle...
Natural Maxillary Sinus Ostium As Seen From Inside...
The natural ostium of the maxillary sinus is hidden behind the posterior and inferior portion of the uncinate process and cannot normally be seen during a routine diagnostic endoscopic examination. The...
Nasal Foreign Body Unilateral Discharge
The presence of a persistent, unilateral, foul-smelling nasal discharge in a child frequently indicates the presence of a foreign body.
Inert Nasal Foreign Body
An inert foreign body such as this red plastic bead may remain inside the nasal cavity for a prolonged period of time without causing any symptoms.
Accessory Maxillary Sinus Ostium with the Recirculating...
Mucus may circulate back into a maxillary sinus via an accessory ostium as seen here. Note the thick white stream of mucus flowing down from the hiatus semilunaris and reentering this right maxillary...
![Accessory Maxillary Sinus Ostium [CT scan]](https://medtube.net/images/min/68a3c676d8dbb112cff8f250e98e1741/149/112/1 "Accessory Maxillary Sinus Ostium [CT scan]")
Accessory Maxillary Sinus Ostium [CT scan]
The direct connection between the left maxillary sinus and the left middle meatus seen on this coronal CT scan is an accessory maxillary sinus ostium through the posterior fontanelle.
![Accessory Maxillary Sinus Ostium [large]](https://medtube.net/images/min/bdf143c599d427f707c63a5490b893f8/149/112/1 "Accessory Maxillary Sinus Ostium [large]")
Accessory Maxillary Sinus Ostium [large]
A large accessory maxillary sinus ostium is present through the posterior fontanelle of this left side. Note the prominent nasal septal spur protruding into the middle meatus and abutting against the...
![Normal Frontal Recess [left]](https://medtube.net/images/min/8fc490972e2cad383624c5591ad1db06/149/112/1 "Normal Frontal Recess [left]")
Normal Frontal Recess [left]
This is a view into a normal left frontal recess taken with a 30° telescope. To the right the lateral face of the middle turbinate is visible. The uncinate process is seen fading superiorly. Between44...
The Superior Meatus and Sphenoethmoidal Recess
The superior meatus lies lateral to the superior turbinate. This is a view into the superior meatus underneath a well developed right superior terminate. The ostia of the ethmoidal clefts and cell openings...
The Nasa Fontanelles
There are usually defects in the bony lateral wall of the nose located between the uncinate process and the inferior turbinate that in life are covered with a dense connective tissue that is a continuation...
![Eustachian Tube Orifice [swallowing]](https://medtube.net/images/min/6afec91a83880ff7181dc95692b51c95/149/112/1 "Eustachian Tube Orifice [swallowing]")
Eustachian Tube Orifice [swallowing]
The opening and closing of the eustachian tube orifice can be observed as the patient swallows or performs a Valsalva manoeuvre.
![Eustachian Tube Orifice [left]](https://medtube.net/images/min/8284d8d74eb5b7731770e2331b6a3e6f/149/112/1 "Eustachian Tube Orifice [left]")
Eustachian Tube Orifice [left]
The torus tubarius [eustachian tube orifice] is formed by the medial end of the eustachian tube which projects into the lateral wall of the nasopharynx and consequently not be seen by means of conventional...
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Michael Hawke
Professor
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Gottumukkala Raju
Professor
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Ashley Mark
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Gastroenterology Atlas
medical institution
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SAGES - Society of American Gastrointestinal and Endoscopic Surgeons
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High Impact - Medical Animation
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Orthopaedic Academy
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World Health Summit
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