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November 2015 Issue

 




Other Radiology articles from the Neuroradiology section Neuroradiology

Rosai-Dorfman Disease Isolated to the Thoracic Epidural Spine by Benjamin Kozak et al.

Published: 2015 Nov
Issue: 9(11) :: Pages: 6-16


Free full text article: Rosai-Dorfman Disease  Isolated to the Thoracic Epidural Spine

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Abstract: Rosai-Dorfman disease is a rare benign histiocytic disease that infrequently presents in the spine. We report a case of Rosai-Dorfman disease isolated to the epidural thoracic spine in a 26-year-old male. To our knowledge, this is the 15th reported case of isolated spinal disease and only the fourth case of isolated thoracic epidural disease. Given its rarity as well as non-specific symptoms and imaging findings, Rosai-Dorfman disease is often not considered and misdiagnosed on imaging studies. To help improve awareness of Rosai-Dorfman spinal disease, we review the literature and discuss the epidemiology, clinical presentation, imaging features, and treatment considerations for this condition.


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Magnetic Resonance Imaging, Microscopic pathology, Table





Other Radiology articles from the Pediatric Radiology section Pediatric Radiology

Idiopathic Arterial Calcification of Infancy: Case Report by Tarek Hamed Attia et al.

Published: 2015 Nov
Issue: 9(11) :: Pages: 32-40


Free full text article: Idiopathic Arterial Calcification of Infancy:  Case Report

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Abstract: Idiopathic arterial calcification of infancy is a rare autosomal recessive disease, characterized by deposition of calcium along the internal elastic membrane of arteries, accompanied by fibrous thickening of the intima which causes luminal narrowing. Here we are reporting a case of idiopathic arterial calcification of infancy in a Saudi female newborn of non-consanguineous pregnant woman who had polyhydramnios. The newborn baby had severe respiratory distress, systemic hypertension and persistent pulmonary hypertension of newborn. She was admitted to Neonatal Intensive Care Unit, where she was ventilated and proper treatment was provided. Molecular genetic testing was positive for mutations of ectonucleotide pyrophosphatase/phosphodiesterase1 gene which is reported in 80% of cases of Idiopathic arterial calcification of infancy. The baby died at about 5 month of age because of myocardial ischemia and cardiorespiratory arrest. Idiopathic Arterial Calcification of Infancy should be considered in any newborn who presented with persistent pulmonary hypertension of newborn, severe systemic hypertension and echogenic vessels on any radiological study. Calcifications of large and medium-sized arteries are important diagnostic finding.


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Ultrasound, Conventional Radiography, Computed Tomography, Table





Other Radiology articles from the Interventional Radiology section Interventional Radiology

Aberrant systemic arterial supply to normal lung arising from the proper hepatic artery discovered during transarterial chemoembolization by Matthew K Walsworth et al.

Published: 2015 Nov
Issue: 9(11) :: Pages: 24-31


Free full text article: Aberrant systemic arterial supply to normal lung arising from the proper hepatic artery discovered during transarterial chemoembolization

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Abstract: We report a rare case of dual arterial supply to an otherwise normal lung discovered incidentally during initial angiography performed with the intent of chemoembolization of hepatocellular carcinoma. In addition to normal hepatic arterial supply, the proper hepatic artery provided systemic arterial supply to the lower lobe of the left lung. Subsequent chest computed tomography angiography demonstrated a normal tracheobronchial tree and normal pulmonary arterial supply to the lung. Although other anatomic variants have been reported, there are no other reported cases of systemic arterial supply from the proper hepatic artery to the lung. Identifying systemic arterial supply to the lung during angiography is important while performing transcatheter chemoembolization or radioembolization in the liver in order to minimize non-target embolization of the lung.


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Angiography, Interventional, Computed Tomography, Table





Other Radiology articles from the Neuroradiology section Neuroradiology

Acute Prevertebral Calcific Tendinitis by Alexander Tamm et al.

Published: 2015 Nov
Issue: 9(11) :: Pages: 1-5


Free full text article: Acute Prevertebral Calcific Tendinitis

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Abstract: We present a case of neck pain in a middle-aged woman, initially attributed to a retropharyngeal infection and treated with urgent intubation. With the help of computed tomography, the diagnosis was later revised to acute prevertebral calcific tendinitis, a self-limiting condition caused by abnormal calcium hydroxyapatite deposition in the longus colli muscles. It is critical to differentiate between these two disease entities due to dramatic differences in management. A discussion of acute prevertebral calcific tendinitis and its imaging findings is provided below.


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Conventional Radiography, Computed Tomography, Table





Other Radiology articles from the Thoracic Radiology section Thoracic Radiology

Unusual Pulmonary Arterial Filling Defect caused by Systemic to Pulmonary Shunt in the Setting of Chronic Lung Disease Demonstrated by Dynamic 4D CTA by Kianoush Ansari-Gilani et al.

Published: 2015 Nov
Issue: 9(11) :: Pages: 17-23


Free full text article: Unusual Pulmonary Arterial Filling Defect caused by Systemic to Pulmonary Shunt in the Setting of Chronic Lung Disease Demonstrated by Dynamic 4D CTA

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Abstract: Even though pulmonary embolism is by far the most common cause of filling defect in the pulmonary arterial system, other less common etiologies should be considered especially in the setting of atypical clinical scenario or unusual imaging findings. Unusual pattern of filling defect in the pulmonary artery in the setting of chronic inflammatory/fibrotic parenchymal lung disease should raise the concern for systemic to pulmonary artery shunt. This diagnosis is typically made by conventional angiography. Dynamic 4D CT angiography however can be a safe, noninvasive and effective alternative tool for making such a diagnosis. It has the added value of multiplanar reconstruction capabilities and providing detailed anatomy which can be vital for interventional radiologists when planning their approach for possible intervention. We present 2 cases of such shunts, and illustrate the demonstration of these shunts by using dynamic 4D CT angiography.


Available image modalities: (click on modality to browse for other articles)
Conventional Radiography, Computed Tomography, Table





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