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  2. Follicular hyperplasia - Wikipedia

    en.wikipedia.org/wiki/Follicular_hyperplasia

    Follicular hyperplasia (FH) is a type of lymphoid hyperplasia and is classified as a lymphadenopathy, which means a disease of the lymph nodes. It is caused by a stimulation of the B cell compartment and by abnormal cell growth of secondary follicles .

  3. Epstein–Barr virus–associated lymphoproliferative diseases

    en.wikipedia.org/wiki/Epstein–Barr_virus...

    EBV-positive reactive lymphoid hyperplasia (or EBV-positive reactive lymphoid proliferation) is a benign form of lymphadenopathy, i.e. swollen, often painful lymph nodes. The disorder is based on histologic findings that occur in the lymphoid tissue of mainly older individuals who were infected with EBV many years earlier.

  4. Lymphoid hyperplasia - Wikipedia

    en.wikipedia.org/wiki/Lymphoid_hyperplasia

    Lymphoid hyperplasia is the rapid proliferation of normal lymphocytic cells that resemble lymph tissue which may occur with bacterial or viral infections. [1] The growth is termed hyperplasia which may result in enlargement of various tissue including an organ, or cause a cutaneous lesion .

  5. Lymphoproliferative disorders - Wikipedia

    en.wikipedia.org/wiki/Lymphoproliferative_disorders

    Histopathology of diffuse large B-cell lymphoma occurring in the tonsil. H&E stain. Lymphoproliferative disorders (LPDs) refer to a specific class of diagnoses, comprising a group of several conditions, in which lymphocytes are produced in excessive quantities. These disorders primarily present in patients who have a compromised immune system.

  6. Lymphadenopathy - Wikipedia

    en.wikipedia.org/wiki/Lymphadenopathy

    Most cases of reactive follicular hyperplasia are easy to diagnose, but some cases may be confused with follicular lymphoma. There are seven distinct patterns of benign lymphadenopathy: [6] Follicular hyperplasia: This is the most common type of reactive lymphadenopathy. [6]

  7. Adenoid hypertrophy - Wikipedia

    en.wikipedia.org/wiki/Adenoid_hypertrophy

    Visual examinations should be conducted to identify adenoid facies, eczema, and similar signs in diseases like partial choanal atresia, significant palatine tonsil hyperplasia, nasal airway blockage, endonasal foreign bodies, nasal concha hyperplasia, and allergic or viral rhinitis. Neoplasms, benign or malignant ones, should be ruled out.

  8. Castleman disease - Wikipedia

    en.wikipedia.org/wiki/Castleman_disease

    Castleman diseases; Other names: Giant lymph node hyperplasia, lymphoid hamartoma, angiofollicular lymph node hyperplasia: Micrograph of Castleman disease showing hyaline vascular features including atrophic germinal center, expanded mantle zone, and a radially penetrating sclerotic blood vessel ("lollipop" sign).

  9. Progressive transformation of germinal centres - Wikipedia

    en.wikipedia.org/wiki/Progressive_transformation...

    PTGC is diagnosed by surgical excision of the affected lymph node(s), and examination by a pathologist. The differential diagnosis includes non-neoplastic causes of lymphadenopathy (e.g. cat-scratch fever, Kikuchi disease) and malignancy, i.e. cancer.

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