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Skeletal muscle lymphoma: observations at MR imaging
S Eustace1, C S Winalski, A McGowen
1Department of Radiology, Boston University Medical Center Hospital, MA 02118, USA.
Skeletal Radiology
|July 1, 1996
Summary
Primary skeletal muscle lymphoma presents as bulky muscle expansion. Magnetic resonance imaging (MRI) shows characteristic T1 and T2 signal intensities and enhancement patterns for this rare condition.
Area of Science:
- Radiology
- Oncology
- Musculoskeletal Imaging
Background:
- Primary lymphoma of skeletal muscle is a rare extranodal non-Hodgkin lymphoma.
- Accurate diagnosis is crucial for appropriate management and treatment.
Observation:
- This study reviews the magnetic resonance imaging (MRI) findings in three biopsy-proven cases of primary skeletal muscle lymphoma.
- The observations focus on the characteristic imaging features that can aid in diagnosis.
Findings:
- In all three patients, lymphoma caused bulky expansion of the affected skeletal muscle.
- MRI revealed homogeneous isointensity to skeletal muscle on T1-weighted images.
- Hyperintensity on T2-weighted images and diffuse enhancement post-contrast were consistently observed.
Implications:
- These findings highlight specific MRI characteristics that can help differentiate primary skeletal muscle lymphoma from other soft tissue masses.
- Recognition of these patterns can lead to earlier diagnosis and improved patient outcomes.
- Further research into the specific subtypes and their imaging manifestations is warranted.