Related Experiment Video
Updated: May 26, 2026

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling
Published on: October 14, 2021
Primary cutaneous B-cell lymphomas
Werner Kempf1, Natalja Denisjuk, Katrin Kerl
1Department of Dermatology, University Hospital Zurich, Switzerland. werner.kempf@access.uzh.ch
Insights
Cutaneous B-cell lymphomas (CBCL) are common skin cancers. While some forms have an excellent prognosis, others require aggressive treatment, highlighting the need for accurate diagnosis.
Area of Science:
- Dermatology
- Oncology
- Hematology
Background:
- Cutaneous B-cell lymphomas (CBCL) represent the second most frequent primary cutaneous lymphomas.
- The majority of CBCL cases include cutaneous follicle center lymphoma and cutaneous marginal zone lymphoma, typically presenting as nodules.
Purpose of the Study:
- To differentiate between indolent and aggressive forms of CBCL.
- To emphasize the diagnostic importance of clinico-pathologic correlation, histology, immunohistochemistry, genotyping, and staging.
Main Methods:
- Review of clinical presentations and histopathological findings of CBCL.
- Immunohistochemical profiling and genotyping for lymphoma subtyping.
- Staging examinations to assess disease extent.
Main Results:
- Cutaneous follicle center lymphoma and cutaneous marginal zone lymphoma exhibit an indolent course with a good prognosis, despite frequent recurrences.
- Cutaneous diffuse large B-cell lymphoma, leg type, and other rare CBCL variants have a poor prognosis, necessitating multiagent chemotherapy and anti-CD20 monoclonal antibodies.
Conclusions:
- Accurate diagnosis and classification of CBCL are critical for determining prognosis and guiding treatment strategies.
- Distinguishing between indolent and aggressive CBCL subtypes is essential for patient management and therapeutic decisions.
Abstract:
Cutaneous B-cell lymphomas (CBCL) are the second most common form of primary cutaneous lymphomas. The cutaneous follicle center lymphoma and the cutaneous marginal zone lymphoma (extranodal MALT type lymphoma) account for the vast majority of CBCL and manifest with nodules. These two lymphoma entities have an indolent, slowly progressive course and an excellent prognosis despite a high rate of recurrences. In contrast, cutaneous diffuse large B-cell lymphoma, leg type, and other rare forms of CBCL display an impaired prognosis and therefore require to be treated with multiagent chemotherapy and anti-CD20 monoclonal antibodies in most cases. Clinico-pathologic correlation, histology with immunohistochemical profile and genotyping as well as staging examinations are crucial diagnostic elements in the work-up of CBCL.
Related Concept Videos
Skin Diseases and Disorders
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Skin Cancer
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Secondary Lymphoid Organs
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...
Primary Lymphoid Organs
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...
Cells of the Adaptive Immune Response
The Intrinsic Apoptotic Pathway
