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Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma
Published on: March 30, 2018
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Mediastinal Gray Zone Lymphoma.
Summary
Mediastinal gray zone lymphoma, a rare cancer, was diagnosed in a patient with cough and breathlessness. This challenging diagnosis responded well to chemotherapy, showing a complete metabolic response.
Area of Science:
- Hematology
- Oncology
- Pathology
Background:
- Mediastinal masses can present with non-specific symptoms like cough and breathlessness.
- Distinguishing between Hodgkin's and non-Hodgkin's lymphoma can be challenging due to overlapping features.
Observation:
- A 50-year-old male presented with respiratory symptoms and a positron emission tomography scan revealed a Fluorodeoxyglucose (FDG)-avid mediastinal mass.
- Biopsy showed fibrotic tissue with atypical lymphoid cells and large cells with smudged nuclei.
- Immunohistochemistry demonstrated CD20 positivity, focal CD30 positivity, and rare CD15 positivity.
Findings:
- The histological and immune profiles indicated overlapping features of both non-Hodgkin's and Hodgkin's lymphoma.
- A diagnosis of mediastinal gray zone lymphoma was established.
- The patient achieved a complete metabolic response after six cycles of chemotherapy.
Implications:
- Mediastinal gray zone lymphoma represents a diagnostic challenge requiring careful integration of histology and immunohistochemistry.
- This case highlights the potential for effective treatment with chemotherapy in mediastinal gray zone lymphoma.
- Further research into the specific characteristics and optimal treatment strategies for this rare lymphoma subtype is warranted.
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