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{
"id" : "nasal_cavity_t_71995",
"algorithm" : "tnm",
"version" : "1.6",
"name" : "Path T Nasal Cavity",
"title" : "Pathologic T",
"notes" : "**Note 1:** The bones of the lateral wall of the nasal cavity include the maxilla, the perpendicular plate of the palatine bone, the medial pterygoid plate, the labyrinth and inferior concha of the ethmoid. The roof of the nasal cavity is formed by the nasal bone. The floor of the nasal cavity, which forms the roof of the mouth, is composed of the bones of the hard palate: the horizontal plate of the palatine bone posteriorly and the palatine process of the maxilla anteriorly.\n\n**Note 2:** \"Bony invasion\" does not include extension to palate, cribriform plate, or pterygoid plates. \n* Extension to these structures is coded separately\n\n**Note 3:** Assign T3 for Base of Skull, NOS when there is no information available for more specific bony structures in the skull.\n\n**Note 4:** Minimal extension to anterior cranial fossa implies tumor pushing through the cribriform plate, but without invasion of the dura or brain.",
"footnotes" : "\\* T4 [NOS] is not defined by UICC in the 7th edition. Approval has been provided by UICC to use \"Tumor invades bone, nerve or extrinsic deep muscles\" as T4 [NOS].\n\\# T4 [NOS] is not defined in AJCC 7th edition.",
"last_modified" : "2018-02-02T14:54:24.269Z",
"definition" : [ {
"key" : "path_t",
"name" : "Pathologic T",
"type" : "INPUT"
}, {
"key" : "path_t_display",
"name" : "Pathologic T Display",
"type" : "DESCRIPTION"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "notes",
"name" : "Registrar Notes",
"type" : "DESCRIPTION"
} ],
"rows" : [ [ "pX", "pTX", "Primary tumor cannot be assessed", "Pathologic classification criteria met, evaluation done: \n Physician unable to assess T\n Surgical resection of primary tumor, extension not stated \nPhysician assigns pTX, no other information available to determine T" ], [ "p0", "pT0", "No evidence of primary tumor", "" ], [ "pIS", "pTis", "Carcinoma in situ", "Intraepithelial, noninvasive\n\nStated as Tis" ], [ "p1", "pT1", "Tumor limited to the mucosa with no erosion or destruction of bone", "Invasive tumor confined to one of the following subsites:\n Septum\n Floor\n Lateral wall, including: \n Meatus (superior, middle, inferior) \n Nasal conchae (superior, middle, inferior)\n Vestibule (edge of naris to mucocutaneous junction)\nWITH or WITHOUT bony invasion\n\nConfined to nasal cavity, NOS\nLocalized, NOS\n\nStated as T1" ], [ "p2", "pT2", "Tumor causing bone erosion or destruction, including extension into: \n Hard palate \n Middle nasal meatus\n\nEXCEPT extension to posterior wall of maxillary sinus and pterygoid plates", "Invasive tumor confined to two or more subsites listed in T1 WITH or WITHOUT bony invasion\n\nExtending to adjacent region within the nasoethmoidal complex:\n Nasolacrimal duct\n Ethmoid sinus\n Choana\nWITH or WITHOUT bony invasion\n\nStated as T2" ], [ "p3", "pT3", "Tumor invades any of the following:\n Bone of posterior wall of maxillary sinus\n Subcutaneous tissues\n Floor or medial wall of orbit\n Pterygoid fossa\n Frontal sinuses", "Adjacent organs/structures including:\n Base of skull, NOS\n Hard palate\n\nCribiform plate\nMaxillary sinus\nMedial wall or floor of the orbit\n\nStated as T3" ], [ "p4", "pT4", "Not defined by UICC*#", "Note: T4 has subcategories of T4a and T4b. Assign T4 only when there is no information available to assign one of the subcategories\n\nTumor invades bone, nerve or extrinsic deep muscles\n\nStated as T4[NOS]" ], [ "p4A", "pT4a", "Tumor invades any of the following:\n Anterior orbital contents\n Skin of cheek\n Pterygoid plates\n Infratemporal fossa\n Cribriform plate\n Sphenoid or frontal sinuses", "Frontal sinus\nPterygoid plates\n\nAnterior orbital contents\nFrontal sinus\nPterygoid plates\nSkin of nose\nSkin of cheek\nAnterior cranial fossa (minimal extension)\nSphenoid sinus\n\nStated as T4a" ], [ "p4B", "pT4b", "Tumor invades any of the following:\n Orbital apex\n Dura\n Brain\n Middle cranial fossa\n Cranial nerves other than maxillary division of trigeminal nerve (V2)\n Nasopharynx\n Clivus", "Further contiguous extension including:\n Orbital apex \n\nStated as T4b" ], [ "88", "88", "Not applicable", "Primary site/histology not TNM defined\nDeath certificate only (DCO) case" ], [ "", "BLANK", "See Registrar Notes", "Pathologic classification criteria not met \nPathologic classification criteria met, evaluation done: \n Results not documented in patient record \n No surgical resection of known primary tumor (not T0) \n Resection insufficient for site-specific pathologic assessment\nNo surgical resection of primary tumor and there isn’t a positive biopsy of a structure in the highest T category and highest N category\nEvidence of metastatic disease (pM1), no other workup\nOnly Pathologic Stage Group documented (no T, N, or M information available)" ] ]
}
