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Primary Lymphoid Organs

Primary Lymphoid Organs

Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...

Secondary Lymphoid Organs

Secondary Lymphoid Organs

Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...

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Related Experiment Video

Updated: Oct 18, 2025

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

Published on: March 30, 2018

Primary mediastinal large B cell lymphoma.

Yating Yu¹, Xifeng Dong¹, Meifeng Tu²

¹Department of Hematology, General Hospital, Tianjin Medical University, Tianjin, China.

Thoracic Cancer

|September 30, 2021

Summary

This summary is machine-generated.

Primary mediastinal large B cell lymphoma (PMBCL) is an aggressive cancer. Novel therapies like CAR-T cell therapy and anti-PD-1 drugs show promise, but larger trials are needed to confirm their effectiveness.

Keywords:

diagnosis drug therapy immunotherapy primary mediastinal large B-cell lymphoma

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Last Updated: Oct 18, 2025

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

Published on: March 30, 2018

Bioprinting of Hydrogel Tumor Slices as a 3D Model for Mantle Cell Lymphoma

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Published on: September 12, 2025

Enhancing Tumor Content through Tumor Macrodissection

Enhancing Tumor Content through Tumor Macrodissection

Published on: February 12, 2022

Area of Science:

Oncology
Hematology
Immunology

Background:

Primary mediastinal large B cell lymphoma (PMBCL) is an aggressive malignancy originating in the mediastinum.
It is characterized by rapidly growing masses that can compress surrounding structures.
Diagnosis relies on pathological, imaging, and clinical assessments.

Purpose of the Study:

To review current therapeutic regimens for PMBCL.
To explore emerging novel therapies, including CAR-T cell therapy and anti-PD-1 drugs.
To highlight the need for larger randomized controlled trials.

Main Methods:

Review of current treatment protocols, including R-CHOP and R-EPOCH.
Examination of ongoing research into novel therapies such as CAR-T cell therapy and anti-PD-1 drugs.
Discussion of the role of PET-CT in treatment assessment and guidance.

Main Results:

R-CHOP and R-EPOCH are standard treatments, with radiotherapy offering benefits but potential long-term toxicity.
Emerging therapies like CAR-T cell therapy and anti-PD-1 drugs show encouraging preliminary results.
PET-CT is crucial for evaluating treatment efficacy and informing subsequent strategies.

Conclusions:

While current therapies exist, novel treatments are under investigation for PMBCL.
Further large-scale randomized controlled trials are essential to validate the efficacy and safety of new therapeutic approaches.
Optimizing treatment strategies, including the use of PET-CT, is key for improved patient outcomes.