Related Experiment Video
Updated: Sep 13, 2026
Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma
Published on: March 30, 2018
Castleman's lymphoma among Japanese population
Insights
Castleman's lymphoma, a benign condition, presents unique features in Japanese patients. This study highlights distinct histological characteristics and demographic patterns observed in this population.
Area of Science:
- Oncology
- Pathology
- Hematology
Background:
- Castleman's disease (CD) is a rare lymphoproliferative disorder with diverse clinical and histological presentations.
- Previous reports on CD in Japanese literature since 1958 are reviewed, totaling 53 cases.
- The first reported case in Japan involved a pelvic tumor, expanding the known anatomical sites.
Observation:
- Histological hallmarks include variegated germinal centers with peculiar capillary proliferation.
- Multicentric germinal centers and expansive follicular growth compressing interfollicular areas are characteristic.
- The Japanese cohort exhibits a predilection for ages 10-19, with a female predominance.
Findings:
- The most common tumor site in Japanese patients is the upper body.
- Compared to other ethnicities, Japanese patients show more frequent tumor multiplicity.
- The plasma cell variant of Castleman's disease is less common in this population.
Implications:
- Castleman's disease may represent a distinct clinicopathological entity within the spectrum of lymphomas.
- Understanding ethnic variations in CD presentation is crucial for accurate diagnosis and management.
- Further research into the pathogenesis of CD is warranted to differentiate it from malignant lymphomas.
Abstract:
Since our report on Castlemans lymphoma in 1958, a total of 53 cases by 36 authors have appeared in the Japanese literatures. Among them our first case, whose tumor was found in the pelvic cavity, would be the first patient ever reported in Japan. The outstanding histological features of Castleman's lymphoma consists of variegated morphology of germinal centers due to peculiar capillary proliferation, multicentric germinal centers in a lymph follicle showing a chimerical figure and expansive growth of lymph follicles by compressing interfollicular area. Among these Japanese population, we have noticed the highest age incidence between 10-19 years, with somewhat female predominance, the most preferential site in the upper part of the body, and, as compared to the other ethnical subjects, more frequent tumor multiplicity and less usual plasma cell type of the tumor. A possible pathogenesis that Castleman's lymphoma could be "a benign lymphoma" in contrast to malignant lymphomas is emphasized from various aspects.
