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IgD myeloma: immunology and ultrastructure
Annals of Clinical and Laboratory Science
|May 1, 1978
Summary
This report details a rare IgD-M multiple myeloma case with lambda light chains, affecting the skeleton, spinal cord, and pleura. Electron microscopy revealed abnormal plasma cell maturation, offering insights into this myeloma variant.
Area of Science:
- Hematology
- Oncology
- Pathology
Background:
- Multiple myeloma is a plasma cell malignancy.
- IgD myeloma is a rare subtype.
- Light chain typing is crucial for diagnosis.
Purpose of the Study:
- To report a unique case of IgD-M multiple myeloma.
- To describe the clinical and pathological features.
- To highlight electron microscopy findings.
Main Methods:
- Case report.
- Clinical data review.
- Skeletal imaging.
- Urine analysis for Bence Jones protein.
- Electron microscopy of neoplastic plasma cells.
Main Results:
- The patient presented with skeletal involvement, spinal cord compression, and pleural effusion.
- Lambda Bence Jones protein was detected in urine.
- Electron microscopy showed nuclear-cytoplasmic maturation dissociation in plasma cells.
Conclusions:
- This case highlights the aggressive nature of IgD-M multiple myeloma.
- Electron microscopy can reveal specific ultrastructural abnormalities in myeloma.
- Understanding maturation defects may inform therapeutic strategies.