NAACCR Item #3909: Perineural Invasion
| Item # | Length | Source of Standard | Section Name | Year Implemented | Version Implemented | XML NAACCR ID | Parent XML Element |
|---|---|---|---|---|---|---|---|
| 3909 | 1 | NAACCR | Stage/Prognostic Factors | 2018 | 18 | perineuralInvasion | Tumor |
Required Status:
NPCR Collect: No recommendation
CoC Collect: Required, site specific
SEER Collect: Required, site specific
CCCR Collect: No recommendation
Description
Perineural Invasion, within or adjacent to the primary tumor, is a negative prognostic factor for cutaneous squamous cell carcinomas of the head and neck and carcinomas of the colon and rectum, eyelid and lacrimal gland.
Rationale
Perineural Invasion is a Registry Data Collection Variable in AJCC. It was previously collected as Colon and Rectum CS SSF# 8 and Lacrimal Gland CS SSF# 4.
Allowable Values
0, 1, 8, 9
Codes
| Code | Description |
|---|---|
| 0 | Perineural invasion not identified/not present |
| 1 | Perineural invasion identified/present |
| 8 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 8 may result in an edit error.) |
| 9 | Not documented in medical record Pathology report does not mention perineural invasion Cannot be determined by the pathologist Perineural invasion not assessed or unknown if assessed |
Code Notes
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.