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Extensive Emperipolesis of Neoplastic Lymphocytes by Mesothelial Cells in Pleural Effusion Cytology in a Case of a Mediastinal T-Cell Lymphoblastic Lymphoma: A Rare but Diagnostically Useful Phenomenon.
Journal article

Extensive Emperipolesis of Neoplastic Lymphocytes by Mesothelial Cells in Pleural Effusion Cytology in a Case of a Mediastinal T-Cell Lymphoblastic Lymphoma: A Rare but Diagnostically Useful Phenomenon.

  • Haefliger S Institute of Pathology, University Hospital Basel, Basel, Switzerland.
  • Rebetez J Institute of Pathology, University Hospital Basel, Basel, Switzerland.
  • Buser PJ St. Clara Hospital, Basel, Switzerland.
  • Dirnhofer S Institute of Pathology, University Hospital Basel, Basel, Switzerland.
  • Bubendorf L Institute of Pathology, University Hospital Basel, Basel, Switzerland, Lukas.Bubendorf@usb.ch.
  • 2019-09-19
Published in:
  • Acta cytologica. - 2020
Emperipolesis
Lymphocyte rich pleural effusion
T-cell lymphoblastic lymphoma
Cytodiagnosis
Emperipolesis
Epithelial Cells
Humans
Lymphocytes
Male
Mediastinal Neoplasms
Middle Aged
Pleural Effusion, Malignant
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma
English Emperipolesis is a biological process defined by the presence of an intact cell within the cytoplasm of another cell. In pleural fluid cytology, the phenomenon is very rare but has already been described in B-cell lymphoma. Here, we report the first case of a T-cell lymphoma diagnosed on a pleural fluid exhibiting extensive emperipolesis of tumor cells by mesothelial cells. Additionally, in order to evaluate the prevalence of emperipolesis in lymphocyte rich pleural effusion cytology, we reviewed cases from our archive, including cases with lymphoma and cases with reactive T-lymphocyte rich effusion.
Language
  • English
Open access status
closed
Identifiers
Persistent URL
https://sonar.ch/global/documents/232488
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