Which imaging modality is often used for assessing soft tissue tumors?

MRI is the preferred imaging modality for assessing soft tissue tumors due to its superior soft tissue contrast compared to other imaging techniques. It provides detailed images of the soft tissue structure, which is crucial for evaluating the extent of the tumor, its relationship with surrounding tissues, and any involvement of adjacent structures.

The high sensitivity of MRI in distinguishing between different types of soft tissues allows radiologists to better characterize the tumor, which is essential for diagnosis and treatment planning. Additionally, MRI does not involve ionizing radiation, making it a safer option for patients, particularly when multiple examinations may be necessary to monitor tumor progression or response to therapy.

Other imaging modalities, while useful in certain contexts, do not offer the same level of detail or clarity specifically for soft tissue assessment. CT scans, for instance, are more effective for visualizing bone and may not delineate soft tissues as clearly. X-rays are primarily used for evaluating bone structures and cannot effectively provide information about soft tissue tumors. Ultrasound can be useful in certain situations, particularly for superficial lesions, but it typically lacks the comprehensive detail offered by MRI, especially for deeper or more complex soft tissue tumors.