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The frontonasal duct is a duct through which either frontal sinus drains into the nasal cavity. [2] [3] Each frontal sinus opens into the frontonasal duct by an opening (the opening of frontal sinus or frontal sinus aperture [4]) on the inferomedial part [3] of the floor of the sinus. [4]
For example, fractures of the orbital floor or medial orbital wall of the eye can entrap the medial rectus or inferior rectus muscles. [29] In facial wounds, tear ducts and nerves of the face may be damaged. [3] Fractures of the frontal bone can interfere with the drainage of the frontal sinus and can cause sinusitis. [30]
Pneumocephalus and comminuted fracture of the frontal sinus Pneumocephalus is the presence of air or gas within the cranial cavity . It is usually associated with disruption of the skull : after head and facial trauma , tumors of the skull base, after neurosurgery or otorhinolaryngology , and rarely, spontaneously.
A nasal fracture, commonly referred to as a broken nose, is a fracture of one of the bones of the nose. [3] Symptoms may include bleeding, swelling, bruising, and an inability to breathe through the nose. [1] [3] They may be complicated by other facial fractures or a septal hematoma. [1]
The nasofrontal duct is a duct connecting the infundibulum and frontal sinus. A true nasofrontal duct only exists in 15% of the population. [1] ... Code of Conduct;
Frontal sinus fractures occur from trauma to the part of the frontal bone that overlies the sinus, often from motor vehicle accidents and falls. The hallmarks of a frontal sinus fracture is a frontal depression in the anterior table of the bone.
Aerosinusitis, also called barosinusitis, sinus squeeze or sinus barotrauma is a painful inflammation and sometimes bleeding of the membrane of the paranasal sinus cavities, normally the frontal sinus.
The Le Fort III fracture (transverse fracture) occurs at the level of the skull base, resulting in complete craniofacial separation of the midface from the base of the skull. [ 2 ] [ 3 ] The fracture line extends through the zygomatic arch , the pterygoid plates , the lateral and medial orbital walls , the nasal bones , and the nasal septum .