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Summary
Signet ring cell lymphoma, a rare follicular lymphoma variant, presents with immunoglobulin inclusions mimicking signet ring cells. Clinical features are similar to typical follicular lymphomas.
Area of Science:
- Hematopathology
- Oncology
- Immunohistochemistry
Background:
- Follicular lymphoma is a common non-Hodgkin lymphoma.
- Rare variants can present with distinct morphological features.
- Signet ring cell morphology in lymphoma is uncommon.
Observation:
- A case of follicular lymphoma exhibiting signet ring cell morphology is described.
- Light microscopy revealed cytoplasmic inclusions resembling signet rings.
- Immunohistochemistry confirmed immunoglobulin deposits within these inclusions.
Findings:
- The observed signet ring cell morphology is attributed to intracytoplasmic immunoglobulin.
- This specific variant is classified as a rare subtype of follicular lymphoma.
- Despite the unique appearance, no significant differences in clinical presentation were noted.
Implications:
- Recognition of this variant is crucial for accurate diagnosis.
- Understanding the pathogenesis of signet ring cell lymphoma aids in classification.
- Clinical management of signet ring cell lymphoma aligns with standard follicular lymphoma protocols.