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Paediatric nodal marginal zone lymphoma: a clinicopathological study of seven cases / 中华病理学杂志
Chinese Journal of Pathology ; (12): 369-372, 2019.
Article in Chinese | WPRIM | ID: wpr-810606
Responsible library: WPRO
ABSTRACT
Objective@#To investigate the pathological features and clinical manifestation of pediatric nodal marginal zone lymphoma(NMZL).@*Methods@#Histological morphology and immunophenotype of 7 cases of pediatric NMZL were retrospectively reviewed at Beijing Friendship Hospital Affiliated to Medical University between January 2008 to October 2018. Clonal rearrangement analysis was performed. Clinical information including patient follow-up data were analyzed.@*Results@#All 7 patients were male with a median age of 15 years aged from 10 to 26 years. All patients presented with only lymph node enlargement without B symptoms, including cervical lymph node (5 cases), preauricular lymph node (1 case) and retroauricular lymph node (1 case). Histologically, all cases showed irregular large follicles on the edges with widened marginal areas and intervesicular areas, and lesional cells were uniform with progressive transformation of germinal center centers along with a small amount of intrinsic lymphoid tissue. All 7 cases showed diffuse CD20 positivity both follicle and interfollicular region along with 30%-40% positivity in the interfollicular region (pathological region). Markers of other B-cell lymphomas werenot expressed. All 7 cases were positive for immunoglobulin(Ig) gene rearrangement. None of the patients showed no recurrence up on after follow-up for an average of 13 months.@*Conclusions@#Pediatric NMZL is a rare type of lymphoma that has a unique morphology and occurs almost exclusively in male children and young adults and often in head and neck lymph nodes. It has an excellent prognosis. Therefore, awareness of the disease with accurate diagnosis is important.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pathology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pathology Year: 2019 Type: Article