NAACCR Item #3834: Extravascular Matrix Patterns
|Item #||Length||Source of Standard||Year Implemented||Version Implemented||Year Retired||Version Retired|
NAACCR XML: Tumor.extravascularMatrixPatterns
Extravascular Matrix Patterns, the presence of loops and networks in extracellular matrix patterns, is a prognostic factor for uveal melanoma.
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+.
|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|
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.