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MR differential diagnosis of acute deep grey matter pathology in paediatric patients
Carlo Cosimo Quattrocchi1, Daniela Longo, Luciana Nogueira Delfino
1Ospedale Pediatrico Bambino Gesù, Radiology, IRCCS, Piazza S. Onofrio, 4, Rome, Italy. c.quattrocchi@unicampus.it
Insights
Deep grey matter (DGM) nuclei in children are susceptible to injury. MRI findings and clinical clues aid radiologists in diagnosing acute and chronic diseases affecting these structures for better patient outcomes.
Area of Science:
- Neuroimaging
- Pediatric Neurology
- Neuroradiology
Background:
- Deep grey matter (DGM) nuclei in pediatric patients exhibit unique susceptibility to insults due to high metabolic demand and vascularization.
- Oxygen free radical generation further increases vulnerability to acute and chronic damage.
- Early diagnosis of acute diseases in DGM is critical for timely intervention and improved outcomes.
Purpose of the Study:
- To summarize Magnetic Resonance (MR) findings and clinical clues for diagnosing central nervous system (CNS) pathology in pediatric DGM nuclei.
- To assist radiologists in the differential diagnosis of acute and chronic conditions affecting the DGM in children.
Main Methods:
- Review of a 10-year in-house database of pediatric CNS pathology involving DGM nuclei.
- Comprehensive literature review on DGM pathology in pediatric patients.
- Analysis of MR imaging features, clinical history, and advanced MR techniques.
Main Results:
- MR imaging is essential for detecting DGM injuries, determining anatomical location, and characterizing signal changes.
- Specific MRI patterns, combined with clinical data, serve as a diagnostic roadmap.
- Advanced techniques like diffusion-weighted imaging and (1)H-MR spectroscopy are valuable in select cases.
Conclusions:
- A systematic approach integrating MR imaging findings with clinical information is crucial for diagnosing DGM pathologies in pediatric patients.
- Knowledge of specific MRI patterns aids in differentiating acute from chronic insults.
- Multimodal assessment including advanced MR techniques improves diagnostic accuracy for complex cases.
Abstract:
A high metabolic demand, rich vascularization and high concentrations of ionic elements leading to the generation of oxygen free radicals, give to the deep grey matter (DGM) nuclei specific susceptibility to both acute and chronic insults, especially in paediatric patients. Reaching a diagnosis in the early stages of acute diseases in many patients is crucial for instigating prompt specific therapy leading to a favourable outcome. On the basis of a review of a 10-year in-house database and a review of the literature on CNS pathology involving the DGM nuclei in paediatric patients, we summarize the MR findings and clinical clues that may help the radiologist in the difficult differential diagnosis process. The terms "acute" and "chronic" refer to the clinical onset of the disease. MR imaging allows the detection of an injury, determination of its precise anatomical location and characterization of the signal changes. This, combined with a knowledge of specific MRI patterns, may be a roadmap to a definite diagnosis. Clinical history, physical and laboratory findings, timing of the MR examination and advanced MR imaging techniques (diffusion-weighted imaging and (1)H-MR spectroscopy), are crucial in some patients.
