maxillary sinus
Large Inferior Meatal Antrostomy
This patient has a very large inferior nasal antrostomy through which the maxillary sinus mucous membrane can be clearly seen.
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...
![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...
![Maxillary Sinus Hypoplasia [type]](https://medtube.net/images/min/cdacc1d690dfe19cad0fd3e2e8e910bf/149/112/1 "Maxillary Sinus Hypoplasia [type]")
Maxillary Sinus Hypoplasia [type]
Maxillary sinus hypoplasia Type II, is characterized by absence or hypoplasia of the uncinate process, an ill-defined infundibular passage, and soft-tissue density opacification of a significantly hypoplastic...
![Maxillary Sinus Hypoplasia [Type 3]](https://medtube.net/images/min/31cd31138a0fe49ac409dc485ecd122e/149/112/1 "Maxillary Sinus Hypoplasia [Type 3]")
Maxillary Sinus Hypoplasia [Type 3]
Maxillary sinus hypoplasia Type III, characterized by absence of the uncinate process and a profoundly hypoplastic, cleft-like sinus, as seen in this patient's right maxillary sinus.
![Maxillary Sinus Hypoplasia [Type2]](https://medtube.net/images/min/899eb6eb8694224b9c5ed6dc5cdbe760/149/112/1 "Maxillary Sinus Hypoplasia [Type2]")
Maxillary Sinus Hypoplasia [Type2]
Maxillary sinus hypoplasia Type II, is characterized by absence or hypoplasia of the uncinate process, an ill-defined infundibular passage, and soft-tissue density opacification of a significantly hypoplastic...
Oroantral Fistula
This oroantral fistula seen from below was the cause of chronic suppurative maxillary sinusitis.
![Maxillary Sinus Cyst [sinuscopic examination]](https://medtube.net/images/min/6ee7493b196114341903b6757fc084df/149/112/1 "Maxillary Sinus Cyst [sinuscopic examination]")
Maxillary Sinus Cyst [sinuscopic examination]
A large cyst can be seen arising from the roof of the maxillary sinus. The cyst was sitting on a dehiscent infraorbital nerve and causing mid facial pain.
Kartagener's Syndrome
Maxillary sinoscopy on the left. Despite a wide and unobstructed natural maxillary sinus ostium, thick glassy mucus cannot leave the ostium due to ciliary insufficiency. This patient had Kartagener's...