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August 2013 Issue

 




Other Radiology articles from the Neuroradiology section Neuroradiology

Classic neuroimaging findings of nonketotic hyperglycemia on computed tomography and magnetic resonance imaging with absence of typical movement disorder symptoms (hemichorea-hemiballism) by Barry G. Hansford et al.

Published: 2013 Aug
Issue: 7(8) :: Pages: 1-9


Free full text article: Classic neuroimaging findings of nonketotic hyperglycemia on computed tomography and magnetic resonance imaging with absence of typical movement disorder symptoms (hemichorea-hemiballism)

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Abstract: While there are broad differential diagnoses for either the clinical finding of hemichorea-hemiballism or the imaging finding of lateralizing/asymmetric basal ganglia lesions (hyperdense on computed tomography, hyperintense on T1 magnetic resonance imaging), the presence of both findings is highly suggestive of nonketotic hyperglycemia. We present an unusual case of a patient with vague stroke-like complaints and imaging findings notable for lateralizing basal ganglia lesions. Laboratory analysis revealed nonketotic hyperglycemia and neurologic exam failed to elicit any findings of movement disorder. As far as we know, this is the first published case of a patient with typical neuroimaging manifestations of nonketotic hyperglycemia without associated hemichorea-hemiballism (a disorder of abnormal movements comprised of more proximal, higher amplitude movements-ballismus and lower amplitude, more distal movements- chorea). This finding suggests that radiologists should be alert to the possibility of nonketotic hyperglycemia in patients with asymmetric/lateralizing basal ganglia lesions even in the absence of a movement disorder.


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Computed Tomography, Magnetic Resonance Imaging, Table

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Other Radiology articles from the Musculoskeletal Imaging section Musculoskeletal Imaging

Voriconazole-induced periostitis in two post-transplant patients by Matthew D. Bucknor et al.

Published: 2013 Aug
Issue: 7(8) :: Pages: 10-17


Free full text article: Voriconazole-induced periostitis  in two post-transplant patients

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Abstract: While drug-related periostitis has been known of for many years, the specific association of diffuse periostitis with voriconazole (most frequently in transplant patients) has only been recently explicitly addressed in the literature. Recognition of the radiologic and clinical manifestations of voriconazole-related periostitis is important for helping to narrow an otherwise broad differential diagnosis. We present two cases that illustrate different radiologic presentations of this painful cause of diffuse periostitis. Case 1 features a 60 year-old woman with a history of orthotopic heart transplant who was hospitalized for "full body pain" with progressively worsening bone tenderness involving the humeri, knees, femurs, hips, and hands. Case 2 describes a 48 year-old man with a history of acute lymphoblastic leukemia status post stem cell transplant who presented with diffuse arthralgias involving bilateral ankles, knees, wrists, and elbows.


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Computed Tomography, Conventional Radiography, Nuclear Medicine, Table

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Other Radiology articles from the General Radiology section General Radiology

Craniocervical Pneumatization by Alan James Quigley et al.

Published: 2013 Aug
Issue: 7(8) :: Pages: 27-33


Free full text article: Craniocervical Pneumatization

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Abstract: Craniocervical bony pneumatization is a rare finding, with limited numbers of cases reported in the literature. It is thought to be linked to Eustachian tube dysfunction and a ball valve mechanism, and has a link with recurrent Valsalva maneuvers. We report a case of pneumatization of the occiput, atlas (C1) and axis (C2) in a patient with extensive ENT (Ear, Nose and Throat) surgical history who presented following a fall. Plain film, CT and MRI images are presented.


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Conventional Radiography, Computed Tomography, Magnetic Resonance Imaging, Table

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Other Radiology articles from the Technical/IT & Innovative section Technical/IT & Innovative

3-D printouts of the tracheobronchial tree generated from CT images as an aid to management in a case of tracheobronchial chondromalacia caused by relapsing polychondritis by Matthew David Tam et al.

Published: 2013 Aug
Issue: 7(8) :: Pages: 34-43


Free full text article: 3-D printouts of the tracheobronchial tree generated from CT images as an aid to management in a case of tracheobronchial chondromalacia caused by relapsing polychondritis

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Abstract: This report concerns a 67 year old male patient with known advanced relapsing polychondritis complicated by tracheobronchial chondromalacia who is increasingly symptomatic and therapeutic options such as tracheostomy and stenting procedures are being considered. The DICOM files from the patient`s dynamic chest CT in its inspiratory and expiratory phases were used to generate stereolithography (STL) files and hence print out 3-D models of the patient`s trachea and central airways. The 4 full-sized models allowed better understanding of the extent and location of any stenosis or malacic change and should aid any planned future stenting procedures. The future possibility of using the models as scaffolding to generate a new cartilaginous upper airway using regenerative medical techniques is also discussed.


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Computed Tomography, Other, Clinical image, Table

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Other Radiology articles from the Genitourinary Radiology section Genitourinary Radiology

Primary Renal Lymphoma Mimicking a Subcapsular Hematoma: A Case Report by Erik Dedekam et al.

Published: 2013 Aug
Issue: 7(8) :: Pages: 18-26


Free full text article: Primary Renal Lymphoma Mimicking a Subcapsular Hematoma: A Case Report

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Abstract: Primary renal lymphoma (PRL) is a rare entity with a history of controversy regarding its existence. Lymphomatous involvement of the kidney is more commonly seen secondarily to spread from an adjacent lymphomatous mass, rather than arising primarily from the kidney. PRL can mimic other renal lesions such as renal cell carcinoma, renal abscess, and metastasis; therefore, an early diagnosis is crucial to guide treatment and properly assess prognosis. We present a rare case of a 77 year-old male who presented with hematuria and PRL mimicking a subcapsular hematoma.


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Computed Tomography, Magnetic Resonance Imaging, Microscopic pathology, Nuclear Medicine, Table

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