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Framework that allows defining file formats (layouts) and use them to read and write data files.
Item #
Length
Source of Standard
Year Implemented
Version Implemented
Year Retired
Version Retired
Column #
3910
1
NAACCR
2018
18
1908 - 1908
NAACCR XML: Tumor.peripheralBloodInvolvement
Description
Peripheral blood involvement, summarized in "B category", refers to the percentage of peripheral blood lymphocytes that are atypical (Sezary) cells and whether they are "Clone negative" or "Clone positive".
Rationale
Peripheral blood involvement is a prognostic factor required in AJCC 8th edition, Chapter 81
Primary Cutaneous Lymphomas, for staging of Mycosis Fungoides and Sezary Syndrome. It was previously collected as Mycosis Fungoides, CS SSF #1.
Codes
0
Absence of significant blood involvement
5% or less of peripheral blood lymphocytes are atypical (Sezary) cells
Clone unknown
Stated as B0
1
Absence of significant blood involvement
5% or less of peripheral blood lymphocytes are atypical (Sezary) cells
Clone negative
Stated as B0a
2
Absence of significant blood involvement:
5% or less of peripheral blood lymphocytes are atypical (Sezary) cells
Clone positive
Stated as B0b
3
Low blood tumor burden
More than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2
Clone unknown
Stated as B1
4
Low blood tumor burden
More than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2
Clone negative
Stated as B1a
5
Low blood tumor burden
More than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2
Clone positive
Stated as B1b
6
High blood tumor burden
Greater than or equal to 1000 Sezary cells per microliter (uL)
Clone positive
Stated as B2
7
Test ordered, results not in chart
9
Not documented in medical record
Peripheral Blood Involvement 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.