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{
"id" : "melanoma_nasal_cavity_t_57160",
"algorithm" : "tnm",
"version" : "1.6",
"name" : "Path T Melanoma Nasal Cavity",
"title" : "Pathologic T",
"notes" : "**Note 1:** Assign 88 for in situ cases (behavior code /2). TNM does not include an in situ category for mucosal melanoma tumors.\n\n**Note 2:** Mucosal melanomas are aggressive tumors, therefore, T1 and T2 are omitted, as are Stages I and II. \n\n**Note 3:** 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 4:** \"Bony invasion\" does not include extension to palate, cribriform plate, or pterygoid plates. Extension to these structures is coded separately.",
"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\\# TX, T0 and T4 [NOS] are not defined in AJCC 7th edition.",
"last_modified" : "2018-02-02T14:54:21.025Z",
"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#", "" ], [ "p3", "pT3", "Tumor limited to the epithelium and/or submucosa (mucosal disease)", "Tumor confined to mucosa of 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)\n\nConfined to mucosa of nasal cavity, NOS \n\nExtension involving mucosa only:\n Ethmoid sinus\n Choana\n Frontal sinus\n Maxillary sinus\n Nasopharynx\n Sphenoid sinus\n\nLocalized, NOS\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: \n Deep soft tissue\n Cartilage\n Bone\n Overlying skin", "Involvement of deep tissues of any structure in T3\nInvolvement of any structure in code T3 WITH bony invasion\nExtending to adjacent connective tissue within the nasoethomoidal complex\nAnterior orbital contents\nHard palate\nMedial wall or floor of the orbit\nNasolacrimal duct\nPterygoid plates\nSkin of nose\nSkin of cheek\n\nStated as T4a" ], [ "p4B", "pT4b", "Tumor invades any of the following:\n Brain\n Dura\n Skull base\n Lower cranial nerves (IX, X, XI, XII)\n Masticator space\n Carotid artery\n Prevertebral space\n Mediastinal structures", "Anterior cranial fossa\nBase of skull\nCribriform plate\nClivus\nMiddle cranial fossa\n\nStated as T4b" ], [ "88", "88", "Not applicable", "In situ case but no pTis is defined by TNM\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)" ] ]
}
