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September 2016 Issue

 




Other Radiology articles from the Musculoskeletal Imaging section Musculoskeletal Imaging

Impact of Isometric Contraction of Anterior Cervical Muscles on Cervical Lordosis by Curtis A Fedorchuk et al.

Published: 2016 Sep
Issue: 10(9) :: Pages: 13-25


Free full text article: Impact of Isometric Contraction of Anterior Cervical Muscles on Cervical Lordosis

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Abstract: Objective: This study investigates the impact of isometric contraction of anterior cervical muscles on cervical lordosis. Methods: 29 volunteers were randomly assigned to an anterior head translation (n=15) or anterior head flexion (n=14) group. Resting neutral lateral cervical x-rays were compared to x-rays of sustained isometric contraction of the anterior cervical muscles producing anterior head translation or anterior head flexion. Results: Paired sample t-tests indicate no significant difference between pre and post anterior head translation or anterior head flexion. Analysis of variance suggests that gender and peak force were not associated with change in cervical lordosis. Chamberlain`s to atlas plane line angle difference was significantly associated with cervical lordosis difference during anterior head translation (p=0.01). Conclusion: This study shows no evidence that hypertonicity, as seen in muscle spasms, of the muscles responsible for anterior head translation and anterior head flexion have a significant impact on cervical lordosis.


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Clinical image, Conventional Radiography, Graph, Table





Other Radiology articles from the Genitourinary Radiology section Genitourinary Radiology

Factitious Disorder Presenting with Attempted Simulation of Fournier`s Gangrene by Joseph Tseng et al.

Published: 2016 Sep
Issue: 10(9) :: Pages: 26-34


Free full text article: Factitious Disorder Presenting with  Attempted Simulation of Fournier`s Gangrene

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Abstract: Fournier`s gangrene is a severe polymicrobial necrotizing fasciitis of the perineal, genital, or perianal regions. The classic presentation is severe pain and swelling with systemic signs. Crepitus and cutaneous necrosis are often seen. Characteristic CT findings include subcutaneous gas and inflammatory stranding. Unless treated aggressively, patients can rapidly become septic and die. Factitious Disorder is the falsification of one`s own of medical or psychological signs and symptoms. Many deceptive methods have been described, from falsely reporting physical or psychological symptoms, to manipulating lab tests, or even injecting or ingesting foreign substances in order to induce illness. We present a case of a 35-year-old man with factitious disorder who attempted to simulate Fournier`s gangrene by injecting his scrotum with air and fluid. We will review the clinical presentation and diagnosis of Factitious Disorder, as well as Fournier`s gangrene.


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Ultrasound, Computed Tomography, Table





Other Radiology articles from the OB/GYN section OB/GYN

Endometrial stromal sarcoma: An aggressive uterine malignancy by Chaitra P Adiga et al.

Published: 2016 Sep
Issue: 10(9) :: Pages: 35-43


Free full text article: Endometrial stromal sarcoma:  An aggressive uterine malignancy

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Abstract: Endometrial stromal sarcoma (ESS) is an aggressive uterine sarcoma. We report a case of a large endometrial stromal sarcoma in a 42 year nulliparous woman with chronic kidney disease presenting with acute urinary retention and irregular per vaginal bleeding. Ultrasound and Doppler imaging revealed a heterogeneous mass in the endometrial cavity with internal vascularity. Magnetic resonance imaging (MRI) revealed a large lobulated mass in the endometrial cavity extending into the vagina, causing local mass effect. Multiple linear hypointense bands on magnetic resonance T2 weighted (T2wt) images were characteristic of ESS. MRI is a very useful imaging modality in characterizing the lesion and also for the staging. It is necessary to distinguish these tumors from benign as well as other uterine malignancies for better management. We also review relevant literature discussing imaging findings of ESS.


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Ultrasound, Magnetic Resonance Imaging, Microscopic pathology, Computed Tomography, Table





Other Radiology articles from the Neuroradiology section Neuroradiology

ALK positive Anaplastic Large Cell Lymphoma of the Thoracic Spine by Gabriela Abrego et al.

Published: 2016 Sep
Issue: 10(9) :: Pages: 1-12


Free full text article: ALK positive Anaplastic Large Cell Lymphoma  of the Thoracic Spine

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Abstract: Primary bone lymphoma (PBL) is an uncommon extra nodal disease that represents about 1-3% of lymphoma cases. Imaging findings are variable and non-specific. Computed tomography may demonstrate lytic lesions with sequestra and periosteal reaction. On magnetic resonance imaging, lesions are T1WI hypointense and T2WI hyperintense, related to peritumoral edema or bone marrow replacement. Rarely lesions may have associated fibrosis and show a more hypointense signal pattern on T2WI. After administration of contrast, PBL tends to enhance avidly. We present a case of a 24 years old African American female patient with history of back pain. Initial imaging examinations showed lesions involving the T12 and T11 vertebral bodies with initial negative biopsy results. One month later, the patient returned with worsening back pain, and the follow up studies depicted collapse of the T12 vertebral body. A diagnosis of anaplastic large cell lymphoma in T12 was made. A brief review of the literature, imaging and pathological findings, and treatment options are also discussed.


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





Other Radiology articles from the Interventional Radiology section Interventional Radiology

Percutaneous Transhepatic Embolization of Bleeding Rectal Varices Using A New Embolic And Sclerotic Mixture Augmented By Amplatzer Vascular Plug 2 by Ahmed Kamel Abdel-Aal et al.

Published: 2016 Sep
Issue: 10(9) :: Pages: 44-51


Free full text article: Percutaneous Transhepatic Embolization of Bleeding Rectal Varices Using A New Embolic And Sclerotic Mixture Augmented By Amplatzer Vascular Plug 2

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Abstract: We report a case of 59-year-old female with non-alcoholic-steato-hepatitis (NASH) induced cirrhosis, who presented with hematochezia. The patient had a history of bleeding esophageal varices treated with endoscopic variceal ligation (EVL). Colonoscopy showed large rectal varices which were the source of her lower gastrointestinal bleeding (LGIB). Since endoscopic treatment for LGIB are limited, and because the patient had portal vein thrombosis which contraindicated transjugular intrahepatic portosystemic shunt (TIPS), we performed percutaneous transhepatic embolization of her rectal varices using a new mixture of embolic and sclerotic agents, followed by Amplatzer plug 2 (AVP 2). To our knowledge, the use of this new mixture with the AVP 2 in the rectal varices treatment has not been previously published in literature. Our case provides an alternative treatment modality that can be used for rectal varices treatment, when TIPS and endoscopic management fails or is contraindicated.


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Computed Tomography, Angiography, Interventional, Table





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