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Follicular lymphoma

CD2_FOLLICULAR_LYMPHOMA

neoplasm of mature B-cells: A neoplasm of follicle centre B cells which has at least a partial follicular pattern. Follicular lymphomas comprise about 35% of adult non-Hodgkin lymphomas in the U.S. and 22% worldwide. Most patients have widespread disease at diagnosis. Morphologically, follicular lymphomas are classified as Grade 1, Grade 2, and Grade 3, depending on the percentage of the large lymphocytes present. The vast majority of cases (70-95%) express the BCL-2 rearrangement [t(14;18)]. Histological grade correlates with prognosis. Grades 1 and 2 follicular lymphomas are indolent and grade 3 is more aggressive (adapted from WHO, 2001).

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Endpoint definition

Endpoint definition steps

FinnGen

Phenotype data

429209

1. Apply sex-specific rule

None

429209

2. Check conditions

None

429209

3. Check pre-conditions, main-only, mode, registry filters

Registry filters:

  • Hospital discharge: ICD-10 C82
  • Hospital discharge: ICD-9 2000A
  • Cause of death: ICD-10 C82
  • Cause of death: ICD-9 2000A

2 out of 7 registries used, show all original rules.

1219

4. Check minimum number of events

None

1219

5. Include endpoints

None

1219

6. Filter based on genotype QC (FinnGen only)

1181

Control definitions (FinnGen only)

Controls for this endpoint are individuals that are not cases.

Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF4
Parent code in ICD-10 C81-C96
Name in latin Lymphoma non-Hodgkin nodulare (folliculare)

Case counts by codes

FinnGen case counts by registry codes:

generic upset plot

Upset plot

Full data table

Summary Statistics

-FinRegistry-

This endpoint is excluded from FinRegistry analyses (omitted endpoint).

-FinnGen-

Key figures

All Female Male
Number of individuals 1181 595 586
Unadjusted period prevalence (%) 0.29 0.26 0.32
Median age at first event (years) 63.79 62.66 64.94

-FinnGen-

Age distribution of first events

-FinnGen-

Year distribution of first events

-FinnGen-

Cumulative Incidence Function

Not a core endpoint, no data to show.

Mortality – FinRegistry

This endpoint is excluded from FinRegistry analyses (omitted endpoint).

Relationships between endpoints

Index endpoint: CD2_FOLLICULAR_LYMPHOMA – Follicular lymphoma

GWS hits: 1

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