Small bowel obstruction secondary to adhesions is a recognized complication of Caesarian section. However, obstruction due to small bowel volvulus caused by adhesions at the Caesarian-section scar has not been reported. We report such a case identified on computed tomography.
View Article and Find Full Text PDFTreatment options for hepatocellular carcinoma have evolved over recent years. Interventional radiologists and surgeons can offer curative treatments for early stage tumours, and locoregional therapies can be provided resulting in longer survival times. Early diagnosis with screening ultrasound is the key.
View Article and Find Full Text PDFSevere renal injuries are usually associated with multisystem injuries, may require interventional radiology to control hemorrhage and improve the chances for renal salvage, and are more likely to fail nonoperative management. However, most renal injuries are mild in severity and successfully managed conservatively. The AAST classification is the most widely used system to describe renal injuries and carries management and prognostic implications.
View Article and Find Full Text PDFAblative treatment methods have emerged as safe and effective therapies for patients with primary and secondary liver tumors who are not surgical candidates at the time of diagnosis. This article reviews the current literature and describes the techniques, complications and results for radiofrequency ablation, microwave ablation, cryoablation, and irreversible electroporation.
View Article and Find Full Text PDFA multidisciplinary approach to the treatment of patients with unresectable hepatocellular carcinoma (HCC) has led to improvements in screening, detection, and treatments. Interventional techniques include thermal ablation, transarterial chemoembolization, and radioembolization whilst stereotactic body radiation therapy also uses imaging to target the radiation. Both survival rates and cure rates have improved markedly since the introduction of these techniques.
View Article and Find Full Text PDFBackground/aim: Transarterial chemoembolization (TACE) is the recommended treatment for patients with Barcelona stage B hepatocellular carcinoma; however, community practice varies from these American Association for the Study of Liver Diseases guidelines. In this study, we sought to assess factors determining outcome after TACE and examine adherence to guidelines.
Methods: From January 2006 to December 2012, 308 patients with newly diagnosed HCC were treated at the Veterans Affairs (VA) Ann Arbor Healthcare System.
Objective: The aim of our study was to evaluate the effectiveness of MR imaging for the characterization of small (<2 cm) renal lesions described as indeterminate on prior US or CT.
Materials And Methods: Sixty-three small renal masses in 51 patients considered indeterminate on prior ultrasound or CT scans were included in the study. A retrospective evaluation of the examinations was performed independently by two body magnetic resonance imaging (MRI) radiologists who were unaware of the final diagnosis.
Hepatocellular carcinoma is the third most common cause of cancer-related death. In the past few years, staging systems have been developed that enable patients to be stratified into treatment algorithms in a multidisciplinary setting. Several of these treatments involve minimally invasive image-guided therapy that can be performed by radiologists.
View Article and Find Full Text PDFObjective: To evaluate the effect of temporary stent graft placement in the treatment of benign anastomotic biliary strictures.
Materials And Methods: Nine patients, five women and four men, 22-64 years old (mean, 47.5 years), with chronic benign biliary anastomotic strictures, refractory to repeated balloon dilations, were treated by prolonged, temporary placement of stent-grafts.
Curr Probl Diagn Radiol
July 2011
Several noninvasive imaging techniques have been developed and improved over recent years that facilitate detection of both vascular and nonvascular postoperative complications as well as diagnosis of diseases related to the transplanted organ itself. In this article, we present a multi-modality review of the spectrum of pathology related to renal transplantation.
View Article and Find Full Text PDFPurpose: To describe the evolving computed tomography (CT) appearances of a cellulose surgical bolster used as a hemostatic agent in patients who undergo laparoscopic partial nephrectomy for renal cell carcinoma.
Materials And Methods: We retrospectively reviewed the follow-up CT studies of 33 patients with stage T1N0M0 renal carcinoma who underwent laparoscopic partial nephrectomy using a rolled, oxidized, regenerated cellulose sheet sutured in place as a bolster in the parenchymal defect. Thirteen patients undergoing laparoscopic partial nephrectomy without the use of a bolster were also evaluated to differentiate imaging features.
The increasing use of cross-sectional imaging has led to an increase in the incidental discovery of adrenal masses (adrenal incidentalomas). Although most of these lesions are benign, they often present a diagnostic dilemma. Before creating a management plan, the physician should determine if the lesion is benign or malignant and if the lesion is functioning or nonfunctioning.
View Article and Find Full Text PDFImprovements in imaging technology and the expanding use of imaging have led to a rapid increase in the discovery of incidental renal lesions. These can present both the radiologist and the referring clinician with diagnostic dilemmas. This article addresses the most frequently encountered lesions and provides a framework for the diagnostic and management pathways for both solid and cystic lesions.
View Article and Find Full Text PDFObjective: The objective of our study was to evaluate the evolution of the appearances of successfully ablated renal masses on CT and MRI.
Materials And Methods: We conducted a retrospective review of 28 solid renal masses in 25 patients who underwent percutaneous radiofrequency ablation (RFA) between July 2003 and July 2006 in whom there was no evidence of residual tumor during at least 1 year of imaging follow-up and there was postablation biopsy proof of nonviable tissue within the ablation cavity. Three radiologists assessed the size, morphology, and CT or MRI characteristics of the initial tumor and of the ablated tumor or ablation cavity at imaging follow-up 1-2, 3-5, 6-11, and 12-24 months after RFA.
The incidence of hepatocellular carcinoma (HCC) is expected to increase in the next 2 decades, largely due to hepatitis C infection and secondary cirrhosis. HCC is being detected at an earlier stage owing to the implementation of screening programs. Biopsy is no longer required prior to treatment, and diagnosis of HCC is heavily dependent on imaging characteristics.
View Article and Find Full Text PDFObjective: The purpose of this review is to describe the role of imaging and associated findings in the diagnosis of blue rubber bleb nevus syndrome, Proteus syndrome, Klippel-Trénaunay syndrome, and Kasabach-Merritt syndrome.
Conclusion: Blue rubber bleb nevus, Proteus, Klippel-Trénaunay, and Kasabach-Merritt syndromes are a diverse group of vascular malformation and hemangiomatosis syndromes. Both cutaneous and visceral vascular lesions are associated with these disorders.
J Comput Assist Tomogr
March 2008
Purpose: To investigate changes in usage of computed tomography urography (CTU), indications for CTU, and rates of positive findings over time.
Methods: Retrospective review of data from April 2000 to December 2005 assessed rates of overall positive findings, rates of suspected transitional cell carcinomas (TCCs), benign genitourinary (GU), and significant non-GU findings. Data were analyzed based on specialty of ordering physicians and on requisition indications.