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Disseminate and recurrent infundibulofolliculitis, also called disseminate and recurrent infundibular folliculitis or Hitch and Lund disease, is a rare follicular skin condition that presents with irregularly shaped papules pierced by hair, is mildly itchy at times, and is chronic with recurrent exacerbations.
Buttock cell seen in Sézary syndrome (Peripheral blood - MGG stain) Buttock cells are cells having a notched appearance that are found in certain malignancies, [ 1 ] such as non-Hodgkin's lymphoma (including follicular lymphoma ), [ 2 ] [ 3 ] mycosis fungoides , [ 4 ] and Sézary syndrome .
T follicular helper cells mediate the germinal center reaction in two key ways. First, T follicular helper cells express CD40L, which is a tumor necrosis factor (TNF) cytokine that binds the CD40 molecule expressed on GC B cells. This interaction upregulates the NF-kB signaling pathway, which stimulates the division of GC B cells. Second, T ...
Thyroid follicular cells form a simple cuboidal epithelium and are arranged in spherical thyroid follicles surrounding a fluid filled space known as the colloid. The interior space formed by the follicular cells is known as the follicular lumen.
Duodenal-type follicular lymphoma (DFL) is a form of lymphoma in which certain lymphocyte types, the B-cell-derived centrocytes and centroblasts, form lymph node follicle-like structures principally in the duodenum and other parts of the small intestine. It is an indolent disease which on rare occasions progresses to a more aggressive lymphoma ...
- Follicular dendritic cells have round nuclei, centrally located nucleoli, bland and dispersed chromatin, and flattening of adjacent nuclear membrane. Follicular dendritic cells ( FDC ) are cells of the immune system found in primary and secondary lymph follicles ( lymph nodes ) of the B cell areas of the lymphoid tissue .
Follicular dendritic cell sarcoma (FDCS) is an extremely rare neoplasm.While the existence of FDC tumors was predicted by Lennert in 1978, the tumor wasn't fully recognized as its own cancer until 1986 after characterization by Monda et al. [1] [2] It accounts for only 0.4% of soft tissue sarcomas, but has significant recurrent and metastatic potential and is considered an intermediate grade ...
Follicular cell may refer to: Thyroid follicular cell, found in the thyroid gland; Granulosa cell, found in the follicles around oocytes; Follicular dendritic cell ...