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Post radiation hemorrhagic cystitis: MR findings
S Worawattanakul1, R C Semelka, N L Kelekis
1Department of Radiology, University of North Carolina, Chapel Hill 27599-7510, USA.
Magnetic Resonance Imaging
|January 1, 1997
Summary
Magnetic resonance imaging (MRI) reveals distinct patterns in hemorrhagic cystitis, helping differentiate active bleeding from subacute hemorrhage after radiation therapy.
Area of Science:
- Radiology
- Oncology
- Medical Imaging
Background:
- Hemorrhagic cystitis is a potential complication of radiation therapy for pelvic malignancies.
- Accurate diagnosis and staging are crucial for appropriate patient management.
Observation:
- Two patients with radiation-induced hemorrhagic cystitis were evaluated using magnetic resonance imaging (MRI).
- Specific MRI sequences (T1-weighted fat-suppressed and T2-weighted fat-suppressed) were utilized to assess bladder wall characteristics.
Findings:
- One patient showed findings consistent with subacute intramural hemorrhage (high T1, low T2 signal intensity).
- The second patient exhibited patterns indicative of active bleeding and late subacute hemorrhage (variable T1 and T2 signal intensities).
Implications:
- MRI can effectively visualize the bladder wall changes associated with hemorrhagic cystitis.
- These imaging findings may aid in determining the acuity and nature of the hemorrhage, guiding clinical decisions.