Human pathology

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lymphoid follicles

lymphoid nodules

Types

- primary lymphoid follicle
- secondary lymphoid follicle

Components

- germinal center
- marginal zone

Lesions

- lymphoid follicular hyperplasia
- follicular fragmentation
- follicular regression
- follicular lysis
- progressive transformation of germinal centers (PTGC)

Localization

- vesicular lymphoid nodule
- bone marrow lymphoid nodule

References

- Jones D. Dismantling the germinal center: comparing the processes of transformation, regression, and fragmentation of the lymphoid follicle. Adv Anat Pathol. 2002 Mar;9(2):129-38. PMID: 11917166

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