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Soft-tissue masses: when and how to biopsy.
F J Frassica1, E F McCarthy, D A Bluemke
1Department of Orthopaedic Surgery, Johns Hopkins University, Baltimore, Maryland, USA.
Instructional Course Lectures
|June 1, 2000
Summary
Diagnosing soft-tissue tumors requires a systematic approach. Magnetic resonance imaging (MRI) aids in identifying some masses, while biopsy is crucial for indeterminate lesions.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Soft-tissue tumors pose diagnostic challenges for clinicians.
- Accurate evaluation and biopsy are essential to prevent misdiagnosis and complications.
- Magnetic resonance imaging (MRI) can identify specific soft-tissue masses.
Purpose of the Study:
- To outline a systematic approach for evaluating soft-tissue tumors.
- To emphasize the role of imaging and biopsy in diagnosis.
- To guide appropriate biopsy methods based on lesion characteristics.
Main Methods:
- Utilizing MRI for initial assessment of soft-tissue masses.
- Characterizing typical MRI signal patterns (low T1, high T2).
- Employing needle biopsy and open incisional biopsy for histological diagnosis.
Main Results:
- MRI effectively identifies common benign soft-tissue masses like lipomas and ganglions.
- Indeterminate soft-tissue masses necessitate biopsy for definitive diagnosis.
- Histological analysis via biopsy confirms tumor nature.
Conclusions:
- A structured diagnostic pathway combining MRI and biopsy is vital for soft-tissue tumors.
- Biopsy is indispensable for indeterminate lesions.
- Open excisional biopsy is reserved for confirmed benign lesions.