… The variants in this document assume a diagnosis of a primary malignant or aggressive
bone or soft tissue tumor has already been established. This document does not address the …

… Pulmonary and mediastinal masses represent a wide range … for patients presenting with
thoracic masses. There are many … and masses and to present the most appropriate options for …

… subsequent appropriate treatment is crucial for the clinical outcome. The ESSR guidelines …
patients with suspected or proven soft tissue tumors. Potentially malignant lesions recognized …

… soft-tissue contrast compared with CT and plays an important role in the workup of suspected
vascular malformations and soft-tissue masses. … evaluation of other soft-tissue lesions and …

… Normal soft-tissue densities can simulate a mass, and additional mammographic or ultrasound
evaluation may be necessary to determine the presence of a true mass. Masses are 3-D …

… gas, and exclude alternative diagnoses such as fracture, degenerative changes, or tumor. …
infection with joint prosthesis is reported in separate ACR Appropriateness Criteria ® . …

… Depending on whether the lesion is lytic, blastic, or associated with a soft-tissue mass,
fine-needle aspiration or core biopsy can be used to arrive at a definitive diagnosis in patients …

… useful for joint and soft tissue infections. When MRI or CT is contraindicated, bone scans
and the appropriate utilization of other … The ACR Appropriateness Criteria are evidence-based …

… Tumor size is critical to staging RCC for tumors that are confined … to characterize and stage
the primary tumor and nodal and distant … Lack of soft-tissue contrast limits the sensitivity of CT …

… appropriate, although in many instances the criteria will be reviewed and modified by the
involved physicians according to local conditions. The ACR Appropriateness Criteria… soft tissue …