Musculoskeletal Imaging
CPPD Crowned Dens Syndrome with clivus destruction: A case report by Sayed Ali et al. |
Published: 2011 Aug Issue: 5(8) :: Pages: 30-37
| Abstract: We report a case of CPPD crowned dens syndrome in an 87 year white old male with a known history of pseudogout, with clinical and radiological features characteristic of this syndrome. Interestingly, there was significant mass effect on the clivus, with clivus erosion and destruction, a finding that has not previously been described with this syndrome. The clinical and radiological characteristics of Crowned Dens syndrome, as well as CPPD are reviewed. We suggest that CPPD crowned dens syndrome may be included in the differential diagnosis when clivus destruction or erosion, in association with a soft tissue mass with calcification, is seen.
Available image modalities: (click on modality to browse for other articles) Computed Tomography, Macroscopic pathology, Microscopic pathology, Table
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Gastrointestinal Radiology
Pancreatic Arteriovenous Malformation: a case report and literature review by Damon D. Shearer et al. |
Published: 2011 Aug Issue: 5(8) :: Pages: 8-13
| Abstract: Most pancreatic arteriovenous malformations (PAVM) present due to gastrointestinal bleeding or abdominal pain, but these patients may be asymptomatic. Increased portal vein flow from these malformations can lead to portal hypertension and gastrointestinal bleeding. Diagnosis is often made by imaging, and early diagnosis has led to successful surgical resection or percutaneous embolization. We report a patient with PAVM, diagnosed by CT and angiography, who has remained asymptomatic for 2 years without treatment.
Available image modalities: (click on modality to browse for other articles) Computed Tomography, Angiography, Interventional, Table
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Cardiac Imaging
Multislice CT imaging of ruptured left sinus of Valsalva aneurysm with fistulous track between left sinus and right atrium. by Praveenkumar Pampapati et al. |
Published: 2011 Aug Issue: 5(8) :: Pages: 14-21
| Abstract: Sinus of valsalva aneurysm is a rare condition arising from any of the three aortic sinuses. Among them, an aneurysm arising from the left coronary sinus is the rarest. Most of these cases were earlier diagnosed using echocardiography and conventional angiography. But with the availability of advanced imaging modalities like 64 slice cardiac CT and MR modalities, this condition can be accurately assessed noninvasively. We report a case of ruptured aneurysm originating from the left coronary sinus with a long windsock type of fistulous track between the aneurysm and right atrium evaluated by 64 slice cardiac CT imaging. This was later confirmed perioperatively.
Available image modalities: (click on modality to browse for other articles) Ultrasound, Computed Tomography, Table
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Musculoskeletal Imaging
Sesamoid ossicles within the nuchal ligament: a report of two cases and review of the literature by George K. Paraskevas et al. |
Published: 2011 Aug Issue: 5(8) :: Pages: 22-29
| Abstract: Sesamoid ossicles are ovoid or round nodular small bones found usually within a joint or tendon of the upper and lower limb and rarely at other regions. They are usually asymptomatic, resulting in an increased propensity to injuries. We report on two cases where sesamoid ossicles were detected within the nuchal ligament. The first one was a 55-years-old Caucasian male office employee, complaining of chronic pain in the cervical spine region accompanied by numbness of the left upper limb. During the routine lateral X-ray imaging two sesamoid ossicles were found within the nuchal ligament at the C4 and C5 spinous processes level. The second case was a 64-years-old Caucasian female store employee, complaining of chronic cervical spine pain. The routine lateral X-ray exhibited two sesamoid ossicles within the nuchal ligament at the C5 and C6 spinous processes level. Sesamoid ossicles found in the nuchal ligament in rare cases may become symptomatic and the pathogenesis mechanism should be differentially diagnosed by the physician. We discuss the precise morphology of the trait, the possible etiological mechanisms for their appearance, the histological features, as well as differential diagnosis.
Available image modalities: (click on modality to browse for other articles) Conventional Radiography, Table
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Neuroradiology
White Matter Microsusceptibility Changes in Patients With Hepatic Encephalopathy by Adina F. Achiriloaie et al. |
Published: 2011 Aug Issue: 5(8) :: Pages: 1-7
| Abstract: We report a new radiological finding in two patients with hepatic encephalopathy. A new susceptibility-weighted (SWI) magnetic resonance imaging sequence revealed multiple bilateral microsusceptibility changes in the corpus callosum and white matter, while the conventional T1 and T2 weighted images were unremarkable. We postulate that the etiology of the microsusceptibility changes may be related to hepatic coagulopathy and other factors, such as impaired cerebral blood flow and brain edema.
Available image modalities: (click on modality to browse for other articles) Magnetic Resonance Imaging, Table
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