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Multiparametric MR Urography: State of the Art.
Radiographics
April 2025
From the Department of Radiology, New York University, 660 1st Ave, 3rd Fl, New York, NY 10016 (J.A.K., B.B., M.T.T.); Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada (S.K.); University Medical Imaging Toronto, University Health Network, Sinai Health System, Women's College Hospital, Toronto, Ontario, Canada (S.K.); and Department of Radiology, The Ottawa Hospital, Ottawa, Ontario, Canada (N.S.).
MR urography (MRU) is an imaging technique that provides comprehensive evaluation of the kidneys, pelvicalyceal system, ureters, and urinary bladder. Although CT urography (CTU) remains the first-line imaging modality for the urinary tract, incremental improvements in MRU have allowed simultaneous imaging of the kidneys, collecting system, and urinary bladder with superior contrast resolution and tissue characterization, equivalent visualization of the upper tracts, and similar specificity for detection of noncalculous diseases of the collecting system compared with that of CTU. MRU has evolved into an alternative to CTU in the broader patient population and a first-line examination in specific patient populations for which CTU is less preferred.
View Article and Find Full Text PDFImaging Features of Anal Carcinoma after Chemoradiation.
Radiographics
April 2025
From the Department of Radiology, Division of Diagnostics and Support, Christie Hospital, The Christie NHS Foundation Trust, 202 Palatine Rd, Manchester, United Kingdom, M20 2WG (K.K., J.M., V.J., S.M., R.K.); Department of Radiology, Division of Diagnostics and Support, Mersey and West Lancashire Teaching Hospitals NHS Foundation Trust, Prescot, United Kingdom (K.K., V.J.); and Department of Radiology, Division of Diagnostics and Support, Lancashire Teaching Hospitals NHS Foundation Trust, Lancashire, United Kingdom (S.M.).
Anal cancer is a rare malignancy that is primarily treated with chemoradiation therapy (CRT). Clinical examination of the anal canal after CRT is often limited owing to the patient's discomfort. Therefore, radiologic surveillance plays a fundamental role in treatment response assessment.
View Article and Find Full Text PDFOverlooked Carbamazepine Toxicity: A Diagnostic Pitfall in an Elderly Patient With Dizziness.
Cureus
February 2025
Center for General Medicine Education, School of Medicine, Keio University, Tokyo, JPN.
Dizziness is a common chief complaint that often poses a diagnostic challenge. A 79-year-old man was initially misdiagnosed with peripheral vertigo based on normal neuroimaging but later developed altered consciousness and involuntary limb movements, ultimately revealing carbamazepine (CBZ) toxicity. This case highlights a critical diagnostic pitfall: prematurely attributing dizziness to peripheral vertigo without considering drug-induced syndromes.
View Article and Find Full Text PDFNoninvasive dynamic vascular imaging: arterial spin labeling-based noncontrast magnetic resonance digital subtraction angiography for cerebral disease diagnoses.
Jpn J Radiol
March 2025
Department of Radiology, Kyorin University Faculty of Medicine, 6-20-2 Shinkawa, Mitaka, Tokyo, 181-8611, Japan.
Digital subtraction angiography (DSA) is the gold standard for assessing cerebrovascular hemodynamics. DSA is predominantly utilized to evaluate the hemodynamic information of various cerebral diseases. However, DSA is relatively invasive and involves radiation exposure and risks of allergic reactions or renal dysfunction related to iodine-based contrast agents.
View Article and Find Full Text PDFAtypical Head and Neck Cysticercosis: Diagnostic Pitfalls and Clinical Insights from a Case Series and Literature Review.
Indian J Otolaryngol Head Neck Surg
February 2025
Otolaryngology - Head and Neck Surgery, Patna Medical College, Patna, Bihar India.
Head and neck swellings encompass a broad range of differential diagnoses, often necessitating comprehensive clinical and diagnostic evaluations to reach an accurate diagnosis. Cysticercosis, a parasitic infection caused by the larval form of Taenia solium, typically affects neural and extraneural regions. Although neural manifestations are well-documented, extraneural cysticercosis in the head and neck is rare and can mimic neoplastic and inflammatory conditions, posing diagnostic challenges.
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