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Epiglottitis: The Hidden Airway Emergency Every Clinician Must Recognize

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Epiglottitis: When a Simple Sore Throat Becomes a Medical Emergency A 60-year-old man arrived at the emergency department with a severe sore throat, hoarseness, and fever that had progressively worsened over two days. At first glance, the clinical findings seemed surprisingly benign. No drooling. No obvious respiratory distress. No stridor. No alarming findings on oral examination. Yet a lateral neck radiograph revealed a critical clue. A swollen epiglottis projects like an enlarged thumb. The classic Thumb Sign . Within hours, clinicians confirmed acute epiglottitis and admitted the patient to intensive care because airway obstruction can occur suddenly and catastrophically. This real-world scenario highlights one of the most important lessons in emergency diagnosis: Patients with epiglottitis may appear stable until they suddenly are not. Understanding the imaging characteristics of epiglottitis is therefore essential for physicians, radiologists, emergency clinicians, and medical im...
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The Skull Base Tumor That Causes Hearing Loss: Imaging Diagnosis of Glomus Jugulare Paraganglioma

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Glomus Jugulare Paraganglioma: The Skull Base Tumor Every Radiologist Must Recognize Introduction A middle-aged woman presents with progressive right-sided hearing loss and intermittent vertigo. Initial clinical suspicion may include vestibular schwannoma, chronic otitis media, or age-related auditory dysfunction. However, advanced imaging reveals a highly vascular skull base lesion centered at the jugular foramen. The final diagnosis? Glomus jugulare paraganglioma. Although uncommon, this tumor remains one of the most important jugular foramen lesions encountered in neuroradiology. Failure to recognize its imaging appearance may delay diagnosis, complicate surgical planning, and increase morbidity. With modern MRI, temporal bone CT, molecular PET imaging, and emerging AI-assisted diagnostic workflows, radiologists now possess powerful tools for early detection and characterization. This article reviews a classic case and explores the imaging hallmarks, differential diagnosis, pathophy...
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Early CT Diagnosis of Acute Pancreatitis: Imaging Pearls and Clinical Impact

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Acute Interstitial Pancreatitis: CT Findings Every Radiologist Must Recognize Introduction Acute pancreatitis remains one of the most common gastrointestinal emergencies encountered worldwide. In the United States alone, hundreds of thousands of emergency department visits each year are attributed to acute pancreatic inflammation. Rapid diagnosis is essential because early recognition can significantly influence treatment decisions, hospitalization requirements, and patient outcomes. Modern multidetector CT has become the cornerstone of imaging evaluation for patients presenting with severe abdominal pain and suspected pancreatic disease. Beyond merely confirming the diagnosis, CT helps determine disease severity, identify complications, guide management decisions, and predict prognosis. In this case study, we review a 56-year-old woman presenting with upper abdominal pain whose CT examination demonstrated classic imaging findings of acute interstitial pancreatitis. Patient Story A 56-...
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Spinal Cord Cavernoma Imaging Guide: MRI Pearls, Differential Diagnosis and AI Applications

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Spinal Cord Cavernoma: MRI Findings Every Radiologist Must Recognize Introduction A 36-year-old woman presented with progressive limb weakness. MRI examination revealed a well-circumscribed intramedullary lesion located at the C7-T1 spinal cord level. The lesion demonstrated the classic "popcorn" appearance associated with repeated hemorrhage and chronic blood degradation products, ultimately leading to the diagnosis of spinal cord cavernoma. Although spinal cord cavernomas account for only a small fraction of spinal vascular malformations, they represent one of the most important hemorrhagic lesions encountered in neuroradiology practice. Failure to recognize their characteristic imaging features may result in misdiagnosis as intramedullary neoplasms such as ependymoma or astrocytoma, potentially leading to inappropriate management. The growing integration of artificial intelligence (AI), advanced MRI techniques, and clinical decision support systems is transforming how radi...
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Pulmonary Lipoid Pneumonia: CT Findings, Differential Diagnosis and AI Applications

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Lipoid Pneumonia: The Lung Mass That Mimics Cancer on CT Introduction Among the many challenges in thoracic imaging, few are more concerning than a pulmonary lesion that resembles lung cancer. A mass-like opacity discovered incidentally on chest CT often initiates a cascade of follow-up imaging, PET/CT examinations, biopsies, and patient anxiety. However, not every lung mass is malignant. One of the most fascinating examples is lipoid pneumonia , a rare condition caused by the accumulation of lipids within the pulmonary parenchyma. Although uncommon, it represents a critical diagnosis because recognition of characteristic imaging findings can prevent unnecessary invasive procedures. In the era of artificial intelligence, advanced image analysis tools increasingly assist radiologists in detecting pulmonary abnormalities. Yet even sophisticated AI algorithms may struggle when encountering rare entities such as lipoid pneumonia unless specifically trained on such cases. This case illustra...
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