Radiologic clinics of North America
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The advent of the 8th edition of the lung cancer staging system reflects a further meticulous evidence-based advance in the stratification of the survival of patients with lung cancer. Although addressing many limitations of earlier staging systems, several limitations in staging remain. This article reviews from a radiological perspective the limitations of the current staging system, highlighting the process of TNM restructuring, the residual issues with regards to the assignment of T, N, M descriptors, and their associated stage groupings and how these dilemmas impact guidance of multidisciplinary teams taking care of patients with lung cancer.
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This article deals with identification and descriptions of intraoral and extraoral anatomy of the dental and maxillofacial structures. The anatomic landmarks are highlighted and described based on their radiographic appearance and their clinical significance is provided. ⋯ The authors cover most of the anatomic structures commonly noted via radiographs and their descriptions. This article serves as a clinician's guide to oral and maxillofacial radiographic anatomy.
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This article explains the rationale of lung cancer screening with low-dose computed tomography and provides a practical approach to all relevant aspects of a lung cancer screening program. Imaging protocols, patient eligibility criteria, facility readiness, and reimbursement criteria are addressed step by step. Diagnostic criteria and Lung-RADS (Lung Computed Tomography Screening Reporting and Data System) nodule management pathways are illustrated with examples. Pearls and pitfalls for interpretation of lung cancer screening low-dose chest computed tomography are discussed.
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Radiol. Clin. North Am. · Sep 2017
ReviewConventional Radiology in Crystal Arthritis: Gout, Calcium Pyrophosphate Deposition, and Basic Calcium Phosphate Crystals.
This article reviews the main radiographic features of crystal deposition diseases. Gout is linked to monosodium urate crystals. Classic radiographic features include subcutaneous tophi, large and well-circumscribed paraarticular bone erosions, and exuberant bone hyperostosis. ⋯ Basic calcium phosphate deposits are periarticular or intraarticular. Periarticular calcifications are amorphous, dense, and round or oval with well-limited borders, and most are asymptomatic. When resorbing, they become cloudy and less dense with an ill-defined shape and can migrate into adjacent structures.
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Radiol. Clin. North Am. · Jul 2017
ReviewPractical Imaging Evaluation of Foreign Bodies in Children: An Update.
Foreign bodies (FBs) may be unintentionally ingested, inhaled, or inserted into a body cavity or tissue, or may be due to traumatic or iatrogenic injury. They are frequently detected in clinical practice and emergency rooms. ⋯ Imaging plays an important role in confirming the presence and characterization of the FB, and its relationship with any affected organs. This article reviews commonly encountered FBs with regard to incidence, risk factors, mechanisms of entry, clinical presentation, associated complications, and typical imaging appearance in children.