More articles from HEAD & NECK
- Performance of Neck Imaging Reporting and Data System (NI-RADS) for Diagnosis of Recurrence of Head and Neck Squamous Cell Carcinoma: A Systematic Review and Meta-analysis
Posttreatment follow-up imaging of head and neck cancer is challenging because of the anatomic complexity of the head and neck region and the operations and posttreatment effects of radiation and chemotherapy that mimic recurrent disease. The Neck Imaging Reporting and Data System (NI-RADS) provides standardized terminology, report structure, and evaluation categories to convey the degree of suspicion of recurrence in the interpretation of imaging studies. This meta-analysis found NI-RADS 3 (high suspicion) has a high diagnostic performance for detecting clinically significant recurrence.
- Differentiation between Chondrosarcoma and Synovial Chondromatosis of the Temporomandibular Joint Using CT and MR Imaging
As chondrosarcoma and synovial chondromatosis of the temporomandibular joint share overlapping clinical and histopathologic features, CT and MR imaging can be helpful to differentiate between the 2 entities. High-risk imaging features for chondrosarcoma include the following: lesion centered on the mandibular condyle, destruction of the mandibular condyle, no destruction/sclerosis of the articular eminence/glenoid fossa, infiltration into the tendon of the lateral pterygoid muscle, absent or stippled calcification, periosteal reaction, internal enhancement, and size of ≥30.5 mm.
- Update from the 5th Edition of the WHO Classification of Nasal, Paranasal, and Skull Base Tumors: Imaging Overview with Histopathologic and Genetic Correlation
This manuscript reviews the 2022 World Health Organization update on the head and neck tumor classification, emphasizing the importance of molecular data and genetic alterations in sinonasal neoplasms. It includes new entities and changes to the taxonomy and characterization of tumors.
- Reliable Initial Trauma CT Findings of Supraclavicular Brachial Plexus Injury in Patients Sustaining Blunt Injuries
A case (n = 36) - control (n = 50) study aimed to identify CT findings of supraclavicular brachial plexus injuries to discern who may require further evaluation with MR imaging. The results showed that scalene muscle edema/enlargement and interscalene fat pad effacement were most strongly associated with brachial plexus injury and demonstrated good sensitivity and specificity. These findings are best assessed with a soft-tissue reconstruction kernel; therefore, this should be incorporated as part of the trauma CT cervical spine assessment.
- Ecchordosis Physaliphora: Does It Even Exist?
Notochordal lesions span a spectrum of disease ranging from benign notochordal remnant (ecchordosis physaliphora) to low-grade to aggressively malignant. Benign notochordal remnant cannot be reliably distinguished from low-grade chordoma as they may have overlapping imaging features. Repeat imaging, beginning at 6-month intervals, is a more clinically relevant method for evaluating the malignant potential of these lesions.