NAACCR Item #3834: Extravascular Matrix Patterns
| Item # | Length | Source of Standard | Section Name | Year Implemented | Version Implemented | XML NAACCR ID | Parent XML Element |
|---|---|---|---|---|---|---|---|
| 3834 | 1 | NAACCR | Stage/Prognostic Factors | 2018 | 18 | extravascularMatrixPatterns | Tumor |
Required Status:
NPCR Collect: No recommendation
CoC Collect: Required, site specific
SEER Collect: Collected by SEER from CoC-accredited hospitals
CCCR Collect: No recommendation
Description
Extravascular Matrix Patterns, the presence of loops and networks in extracellular matrix patterns, is a prognostic factor for uveal melanoma.
Rationale
Extravascular Matrix Pattern is a Registry Data Collection Variable in AJCC 8. This data item was previously collected as Uveal Melanoma, CS SSF #11 and CS SSF# 12. These two data items were combined and simplified into one data for cases diagnosed 1/1/2018+.
Allowable Values
0, 1, 8, 9
Codes
| Code | Description |
|---|---|
| 0 | Extravascular matrix pattern not present/not identified |
| 1 | Extravascular matrix pattern present/identified |
| 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 Extravascular Matrix Pattern 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.