NAACCR Item #3817: Breslow Tumor Thickness
Padding Character' '
|Item #||Length||Source of Standard||Year Implemented||Version Implemented||Year Retired||Version Retired||Column #|
|3817||4||NAACCR||2018||18||1891 - 1894|
NAACCR XML: Tumor.breslowTumorThickness
Breslow Tumor Thickness, the measurement of the thickness of a melanoma as defined by Dr. Alexander Breslow, is a prognostic factor for Melanoma of the Skin.
Breslow Tumor Thickness is a Registry Data Collection Variable in AJCC. It was previously collected as Melanoma Skin, CS SSF# 1.
|0.0||No mass/tumor found|
|0.1||Greater than 0.0 and less than or equal to 0.1|
|0.2-99.9||0.2 - 99.9 millimeters|
|XX.1||100 millimeters or larger|
|A0.1-A9.9||Stated as "at least" some measured value of 0.1 to 9.9|
|AX.0||Stated as greater than 9.9 mm|
|XX.8||Not applicable: Information not collected for this schema
(If this item is required by your standard setter, use of code XX.8 will result in an edit error)
|XX.9||Not documented in medical record
Microinvasion; microscopic focus or foci only and no depth given
Cannot be determined by pathologist
In situ melanoma
Breslow Tumor Thickness 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.