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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 membrane. [1] The fossae are involved in speech.
MRI of the pelvis can rule out conditions like pelvic tumors. [29] MRI and ultrasound can be used to observe side-to-side differences, a common finding where the symptomatic side often exhibits increased piriformis size measured as increased thickness and cross-sectional area.
Hypopharyngeal cancer is a disease in which malignant cells grow in the hypopharynx (also known as the laryngopharynx) the area where the larynx and esophagus meet. [1]It first forms in the outer layer of the hypopharynx (last part of the pharynx), which is split into three areas.
Piriform cortex, a region in the brain; Piriformis muscle, a gluteal muscle Piriformis syndrome, a neuromuscular disorder in which the piriformis muscle compresses the sciatic nerve; Piriform sinus, piriform recess or piriform fossa, synonyms referring to one of the four sites of the hypopharynx
Tumor Dimension Tx: Primary tumor cannot be assessed T0: Primary tumor cannot be located Tis: Carcinoma in situ T1: ≤ 2 cm in dimension T2 > 2 cm but ≤ 4 cm in dimension T3 > 4 cm and has grown till the epiglottis T4a: Moderately advanced, tumor has grown into larynx, beyond muscles of tongue, hard palate, lower jawbone and/or medial ...
Stage II is a tumor extending in the local area, or that with any evidence of limited neck (nodal) disease. Stage III is a large tumor with or without neck disease, or a tumor with bilateral neck disease. Stage IV is a large tumor involving intracranial or infratemporal regions, an extensive neck disease, and/or any distant metastasis. [17]
Cases of prostate cancer are on the rise in California, according to new research.. A study by UC San Francisco (UCSF) included nearly 388,000 men who had prostate cancer between 2004 and 2021 ...
The translabyrinthine approach was developed by William F. House, M.D., [2] who began doing dissections in the laboratory with the aid of magnification and subsequently developed the first middle cranial fossa and then the translabyrinthine approach for the removal of acoustic neuroma.