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The main purpose of this study is the description of all French cases of PPBL and the establishment of minimal criteria for the pathology diagnosis and its follow-up.
The secondary objective is the immunologic and genetic characterization of lymphoid cells causing the disease.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PPBL patients |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Blood test | Biological | 30 ml |
|
| Measure | Description | Time Frame |
|---|---|---|
| Relevant medical history | Baseline | |
| Complete blood count | Baseline | |
| Administration of first-line treatment or not | Baseline |
| Measure | Description | Time Frame |
|---|---|---|
| Lymphocyte phenotype | Baseline |
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Inclusion Criteria:
Exclusion Criteria:
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PPBL patients in France
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| group GFHC and intergroup LLC (GCFLL-MW / GOELAMS) | Marseille | France | ||||
| CHRU de Nancy - Hopitaux de Brabois |
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| ID | Term |
|---|---|
| C564707 | Persistent Polyclonal B-Cell Lymphocytosis |
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| ID | Term |
|---|---|
| D006403 | Hematologic Tests |
| ID | Term |
|---|---|
| D019411 | Clinical Laboratory Techniques |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D008919 | Investigative Techniques |
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Venous blood (30 ml) taken during routine care
| Vandœuvre-lès-Nancy |
| France |