Mantle Zone
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The mantle zone (or just mantle) of a lymphatic nodule (or lymphatic follicle) is an outer ring of small lymphocytes surrounding a
germinal center Germinal centers or germinal centres (GCs) are transiently formed structures within B cell zone (follicles) in secondary lymphoid organs – lymph nodes, ileal Peyer's patches, and the spleen – where mature B cells are activated, prolifera ...
. It is also known as the "corona". It contains transient
lymphocyte A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. Lymphocytes include T cells (for cell-mediated and cytotoxic adaptive immunity), B cells (for humoral, antibody-driven adaptive immunity), an ...
s. It is the location of the
lymphoma Lymphoma is a group of blood and lymph tumors that develop from lymphocytes (a type of white blood cell). The name typically refers to just the cancerous versions rather than all such tumours. Signs and symptoms may include enlarged lymph node ...
in
mantle cell lymphoma Mantle cell lymphoma (MCL) is a type of Non-Hodgkin lymphoma, non-Hodgkin's lymphoma, comprising about 6% of cases. It is named for the mantle zone of the lymph nodes where it develops. The term 'mantle cell lymphoma' was first adopted by Raffe ...
.


Pathology

Mantle zone expansion may be seen in benign, such as Castleman disease, and malignancy, ''i.e.'',
Mantle cell lymphoma Mantle cell lymphoma (MCL) is a type of Non-Hodgkin lymphoma, non-Hodgkin's lymphoma, comprising about 6% of cases. It is named for the mantle zone of the lymph nodes where it develops. The term 'mantle cell lymphoma' was first adopted by Raffe ...
. Tcl-1 is expressed in the mantle zone.


References


External links

* https://web.archive.org/web/20080813003821/http://erl.pathology.iupui.edu/HISTO/LABE109.HTM *  — "Lymphoid Tissues and Organs: lymph node, cortex and medulla" {{Lymphoid system Lymphatic organ anatomy