" /> Follicular lymphoma - CISMeF





ICD-11 code : 2A80;

Preferred Label : Follicular lymphoma;

ICD-11 definition : Follicular lymphoma (FL) is a neoplasm composed of follicle centre (germinal centre) B-cells (typically both centrocytes and centroblasts/large transformed cells), which usually has at least a partially follicular pattern. t(14;18) with BCL2 rearrangement is frequently observed. If diffuse areas of any size comprised predominantly or entirely of blastic cells are present in any case of follicular lymphoma, a diagnosis of diffuse large B-cell lymphoma is also made. Lymphomas composed of centro cytes and centroblasts with an entirely diffuse pattern in the sampled tissue may be included in this category.;

ICD-11 synonym : large cell follicular non-Hodgkin lymphoma; follicular nodular non-Hodgkin lymphoma, unspecified; diffuse follicle centre lymphoma; diffuse follicular lymphoma NOS; Brill-Symmers' disease;

ICD-11 inclusion : noncleaved follicular lymphoma; histiocytic nodular lymphoma; large cell follicular lymphoma; large cell noncleaved follicular malignant lymphoma; large cell noncleaved follicular lymphoma; histiocytic nodular malignant lymphoma; large cell follicular noncleaved lymphoma; nodular reticulum cell sarcoma; follicular large cell cleaved or noncleaved lymphoma; follicular lymphoma with or without diffuse areas; histiocytic follicular lymphoma;

ICD-11 "other" category code : 2A80.Y;

ICD-11 "unspecified" category code : 2A80.Z;

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Follicular lymphoma (FL) is a neoplasm composed of follicle centre (germinal centre) B-cells (typically both centrocytes and centroblasts/large transformed cells), which usually has at least a partially follicular pattern. t(14;18) with BCL2 rearrangement is frequently observed. If diffuse areas of any size comprised predominantly or entirely of blastic cells are present in any case of follicular lymphoma, a diagnosis of diffuse large B-cell lymphoma is also made. Lymphomas composed of centro cytes and centroblasts with an entirely diffuse pattern in the sampled tissue may be included in this category.

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18/05/2024


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