Normal paranasal sinus CT (annotated) - Radiopaedia.org
Annotated images from a normal sinus CT detailing relevant anatomy. 2 articles feature images from this case. Maxillary sinus; Paranasal sinuses; 103 playlists include this case Public playlists. Annotated teaching by John Smith; Anatomy by Mohamed Emad Shehata; Ct by Hector ...
Labeled imaging anatomy cases | Radiology Reference Article ...
Oct 16, 2024 · This article lists a series of labeled imaging anatomy cases by body region and modality. Brain CT head: non-contrast axial CT head: non-contrast coronal CT head: non-contrast sagittal CT head: non-contrast axial with clinical questions CT ...
Maxillary sinus | Radiology Reference Article - Radiopaedia.org
May 3, 2023 · The maxillary sinus (or antrum of Highmore) is a paired pyramid-shaped paranasal sinus within the maxillary bone which drains via the maxillary ostium into the infundibulum, then through hiatus semilunaris into the middle meatus. It is the largest of the paranasal sinuses.
Paranasal sinuses: annotated CT | Radiology Case - Radiopaedia.org
FOM-Anatomy Head and Neck by Theodore Smith UQ Radiologic Anatomy 2. Head & Neck 2.03 Nasal Cavity & Paranasal Sinuses by Craig Hacking Estudio by Álvaro Banegas; estudio by Álvaro Banegas; CT skull bones normal by Kate intsina; CT Head by Christian Victor Masangkay; CT Anatomy by Christian Victor Masangkay; Unlisted playlists
Paranasal sinuses | Radiology Reference Article - Radiopaedia.org
Feb 17, 2024 · The paranasal sinuses usually consist of four paired air-filled spaces. They have several functions of which reducing the weight of the head is the most important. Other functions are air humidification and aiding in voice resonance. They are named for the facial bones in which they are located: maxillary sinus. sphenoid sinus. ethmoid sinus ...
Dural venous sinuses | Radiology Reference Article - Radiopaedia.org
Jul 19, 2024 · Dural venous sinuses are venous channels located intracranially between the two layers of the dura mater (endosteal layer and meningeal layer) and can be conceptualised as trapped epidural veins. Unlike other veins in the body, they run alone and not parallel to arteries.
CT paranasal sinus (protocol) | Radiology Reference Article ...
Jun 28, 2024 · The purpose of a CT scan of the paranasal sinuses is to visualize the possible presence of inflammatory or newly formed tissue in the context of the paranasal cavities. In neoplastic, inflammatory and infectious disorders, a CT scan of the paranasal sinuses is performed to demonstrate bony erosions, osteolytic lesions, and calcifications.
Ethmoidal air cells | Radiology Reference Article - Radiopaedia.org
Jun 30, 2024 · The ethmoidal air cells, also known less commonly as the ethmoidal sinuses, form one of the four pairs of paranasal sinuses. They are located within the single, midline ethmoid bone.
Cavernous sinus | Radiology Reference Article - Radiopaedia.org
Oct 18, 2022 · The cavernous sinuses are paired dural venous sinuses. Gross anatomy. The cavernous sinus is located on either side of the pituitary fossa and body of the sphenoid bone. It is most easily thought of as existing between the endosteal and meningeal layers of the dura although some additional complexity is present 5.
Pyriform sinus | Radiology Reference Article - Radiopaedia.org
Feb 21, 2024 · The pyriform sinus (also spelled piriform sinus and also known as the pyriform recess, pyriform fossa, and smuggler's fossa) is the pear-shaped subsite of the hypopharynx located posterolaterally to either side of the laryngeal opening.