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Follicular variant of peripheral T-cell lymphoma: a clinicopathologic and genetic study of 2 cases
Ist Teil von
Zhonghua bing li xue za zhi, 2011-01, Vol.40 (1), p.32
Ort / Verlag
China
Erscheinungsjahr
2011
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
To observe the clinicopathologic and genetic features of follicular variant of peripheral T-cell lymphoma (FV-PTCL), with particular attention to the relationship of this type of lymphoma with angioimmunoblastic T-cell lymphoma (AITL).
The clinical data, hematoxylin and eosin-stained sections of lymph node biopsies from 2 FV-PTCL cases were reviewed. Immunohistochemical phenotyping and detection of EBV-encoded RNAs (EBER) through in situ hybridization (ISH) were performed. The EnVision two-step method was used for all antibodies except CXCL13 (by using three-step streptavidin immunoperoxidase method). Analysis of clonality and ITK/SYK gene rearrangement was conducted using PCR and RT-PCR assays, respectively.
Clinically, the two patients presented with superficial lymphadenopathy similarly. Histologically, case 1 showed a follicular/nodular lymphoid proliferation without marked germinal centers. The neoplastic cells comprised mainly medium sized cells with abundant, sometimes clear cytoplasms. Similar histolo