piriform fossa

(redirected from Piriform sinus)
Also found in: Wikipedia.

pir·i·form fos·sa

[TA]
a recess in the anterolateral wall of the nasopharynx on each side of the vestible of the larynx separated from it by the aryepiglottic folds.

pir·i·form fos·sa

(piri-fōrm fosă) [TA]
Recess in anterolateral wall of nasopharynx on each side of vestibule of the larynx separated from it by aryepiglottic folds.
References in periodicals archive ?
2-cm radiopaque foreign body in the hypopharynx perforating the left piriform sinus, with extensive fascial emphysema in the retropharyngeal and parapharyngeal spaces extending into the mediastinum (figure 1).
Oral cancers include those of the lip, tongue, mouth, throat and a region called the piriform sinus.
Qureshi et al conducted a prospective study of 143 patients who underwent total laryngectomy for squamous cell carcinoma of the larynx and piriform sinus.
A size 3 Miller intubating laryngoscope was placed into the left piriform sinus and used to mobilize the displaced segment obliquely, anteriorly, and to the right.
We present a case of a patient found to have a pedunculated mass in her right piriform sinus.
Her actual respiratory distress did not manifest until later in the course of her disease, when the size of the tumor had increased and encroached on the piriform sinus and laryngeal inlet.
We describe the case of a 75-year-old woman with a laryngeal schwannoma that arose from the left postcricoid area and covered the piriform sinus and arytenoid cartilage on that side.
During laryngoscopy, the left piriform sinus was found to be inflamed.
This revealed burns of the right lateral tongue and the base of the tongue, the piriform sinus, and the epiglottis.
The remainder of the larynx, including the piriform sinus, and the remainder of the systemic examination, including the nervous system, were normal.