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A colonization of a different kind.

Priya Mary Jacob1, Rekha A Nair1, Shruti Prem2

  • 1Department of Pathology, Regional Cancer Centre, Medical college P.O., Trivandrum, 695011 India.

Indian Journal of Hematology & Blood Transfusion : an Official Journal of Indian Society of Hematology and Blood Transfusion
|October 22, 2014
PubMed
Summary

A rare lymph node biopsy revealed T-lymphoblasts colonizing follicles alongside Langerhans cells. This unusual pattern mimicked Langerhans cell histiocytosis, presenting a diagnostic challenge.

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Area of Science:

  • Pathology
  • Hematology
  • Oncology

Background:

  • Lymph node morphology variations can complicate diagnoses.
  • Accurate histopathological evaluation is crucial for differentiating lymphoid neoplasms and histiocytic disorders.

Observation:

  • A 55-year-old male presented with an unusual cervical lymph node biopsy.
  • The biopsy demonstrated follicular colonization by T-lymphoblasts.
  • The interfollicular regions exhibited a diffuse Langerhans cell infiltrate.

Findings:

  • The observed pattern suggested a coexisting T-lymphoblastic lymphoma and a Langerhans cell histiocytosis-like lesion.
  • Diagnosis was established considering the absence of clinical evidence for Langerhans cell histiocytosis.
Keywords:
Follicular colonizationLCH like lesionT lymphoblastic lymphoma

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Implications:

  • This case highlights the importance of recognizing unusual morphological patterns in lymph node biopsies.
  • It underscores the need for careful clinicopathological correlation to avoid misdiagnosis.
  • Such presentations can inform diagnostic criteria for rare lymphoid and histiocytic disorders.