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Gd-DTPA enhanced MRI of reactive hematopoietic regions in marrow
Y Amano1, H Hayashi, T Kumazaki
1Department of Radiology, Nippon Medical School, Tokyo, Japan.
Objective:
The purpose of this report was to study the contrast enhancement of reactive hematopoietic regions in bone marrow on Gd-diethylenetriamine pentaacetic acid (DTPA) enhanced MRI.
Materials And Methods:
We compared the contrast enhancement of reactive hematopoietic regions in the marrow of patients with aplastic anemia and drug-induced pancytopenia and that of normal bone marrow on Gd-DTPA enhanced MRI.
Results:
The reactive hematopoietic marrow observed in aplastic anemia of moderate grade and drug-induced pancytopenia markedly enhanced after Gd-DTPA administration; normoplastic marrow showed no enhancement.
Conclusion:
Gd-DTPA enhanced MRI was useful in detecting the reactive hematopoietic regions in bone marrow.
Insights
Gadolinium-diethylenetriamine pentaacetic acid (DTPA) enhanced MRI effectively highlights reactive hematopoietic regions in bone marrow. This technique aids in diagnosing conditions like aplastic anemia and drug-induced pancytopenia by showing marrow enhancement.
Area of Science:
- Radiology
- Hematology
- Medical Imaging
Background:
- Bone marrow imaging is crucial for diagnosing hematological disorders.
- Assessing bone marrow cellularity and reactivity is key in conditions like aplastic anemia.
Purpose of the Study:
- To investigate the utility of Gd-DTPA enhanced MRI in visualizing reactive hematopoietic regions within the bone marrow.
- To compare contrast enhancement patterns in normal bone marrow versus marrow affected by aplastic anemia and drug-induced pancytopenia.
Main Methods:
- Gd-DTPA enhanced MRI scans were performed on patients with aplastic anemia and drug-induced pancytopenia.
- Contrast enhancement of reactive hematopoietic marrow was compared to that of normal bone marrow.
Main Results:
- Reactive hematopoietic marrow in aplastic anemia and drug-induced pancytopenia demonstrated significant enhancement post-Gd-DTPA administration.
- Normal, normoplastic bone marrow showed no discernible enhancement after Gd-DTPA injection.
Conclusions:
- Gd-DTPA enhanced MRI is a valuable tool for detecting reactive hematopoietic regions in bone marrow.
- This imaging modality can assist in the diagnostic evaluation of specific bone marrow conditions.