Pyriform sinus - Wikipedia
The pyriform sinus (also piriform recess, piriform sinus, piriform fossa, or smuggler's fossa) is a small recess on either side of the laryngeal inlet. It is bounded medially by the aryepiglottic fold, and laterally by the thyroid cartilage and thyrohyoid …
Pyriform sinus | Radiology Reference Article - Radiopaedia.org
2024年2月21日 · 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.
Pyriform Sinus - Laryngeal Anatomy (with Pictures) - Laryngopedia
Pyriform sinus refers to the pear-shaped fossa (Latin for “trench”) just lateral to the laryngeal entrance. Its medial surface is the aryepiglottic cord; laterally it is bounded by the thyroid cartilage, and posteriorly by the low posterior pharyngeal wall.
What Is the Pyriform Fossa? - iCliniq
2024年4月2日 · The pyriform fossa, often described as a pear-shaped depression, constitutes a crucial anatomical feature within the lateral wall of the pharynx. Positioned strategically between the aryepiglottic fold and the thyroid cartilage, it forms an integral part of the hypopharynx – the lower section of the throat.
Hypopharyngeal Cancer: Practice Essentials, Epidemiology, Clinical ...
Pyriform sinuses: The parts of the hypopharynx that lie partly to each side of the larynx form the pyriform sinuses or fossae, so named for their pear shape. The pyriform sinuses are...
Piriform Sinus - an overview | ScienceDirect Topics
Piriform Sinus. In subject area: Medicine and Dentistry. The femoral plane, or femoral reference plane, is the plane connecting the piriformis fossa with the midpoint of the popliteal fossa and the tendoachilles, which should incorporate the anatomic axis of the femur and be perpendicular to the coronal plane.
Differences in the characteristics and management of pyriform …
2011年10月19日 · Pyriform sinus fistula (PSF), which originates from the third or fourth branchial pouch remnant, is relatively rare. In young children and adults, it is characterized by lateral neck infections and suppurative thyroiditis, while neonatal PSF presents as a large cervical cystic mass and causes respiratory distress.
Pyriform Sinus - an overview | ScienceDirect Topics
The pyriform sinus is the anterolateral recess of the hypopharynx. The anterior pyriform sinus mucosa abuts on the posterior paraglottic space. The most caudal portion of the pyriform sinus lies at the level of the true vocal cords. The lateral aspect of the aryepiglottic folds forms the medial wall of the pyriform sinus (Fig. 2-59). This is ...
A feasibility study to assess vallecula and pyriform sinus using ...
Valleculae and pyriform fossae were identified in 82% and 90% of the cases, respectively, and they appeared either as paired air-filled round structures or air-lined linear structures. Complete visualization of vocal cords was seen in 78% females and 63% males.
Pyriform sinus rupture caused by blunt trauma - PMC
2020年12月7日 · In this report, we describe the first documented case of blunt traumatic left pyriform sinus perforation, review similar cases, and hypothesize as to possible mechanisms of injury.