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Introduction: In Mexico, chronic liver illnesses are found between the firsts ten death causes; definite handling for hepatic terminal insufficiency is a transplant. Objective: Identifying by means of the ultrasound, the most common complications in hepatic post-transplanted patients as much in early post-surgical as well as late stage, focused to offer opportune handling. Material and methods: Hepatic transplants cases revision in the last ten years (1998-2008) accomplished at Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán" (National Medical Sciences and Nutrition Institute) of the clinical and radiological files to know trans and post-surgical ultrasound findings as well as follow-up evaluations. Results: In all cases a hepatic ultrasound of the transplant was performed during the first 72 post-surgical hours. Findings reported as abnormal included hematomas, bilomas, echogenicity alterations, ascitis; flow absence at portal branches, under resistance index and flow of the hepatic artery. Long term follow-up evaluate complications progress, resolution and sequelae in parenchyma, as well as vascularity status. Conclusions: Ultrasound is the more accessible tool for graft evaluation, from the moment earlier as it is trans-surgical one, as well as the first hours, weeks, to late follow-up of months or years. For the above, emergency data that will require opportune attention must be kept in mind. [ABSTRACT FROM AUTHOR]

Introduction: Breast cancer is one of the main causes of mortality in our country. The use of mastography as screening method has decreased mortality from breast cancer, being the study of election in high-risk women; magnetic resonance and ultrasound are useful complementary methods. Diagnosis: Mastography is also the method of election for diagnosis. For staging and evaluation of the response to treatment, breast magnetic resonance, nuclear scan and gammagraphy and positron emission tomography CT studies play a primary role. This article highlights main breast cancer aspects and the role of the different imaging useful methods for detection, diagnosis, staging, and evaluation of the response to the breast cancer treatment. [ABSTRACT FROM AUTHOR]

Objective: Determining the benefit of the hepatic border nodularity finding for the prediction of cirrhosis in patients with hepatitis C virus (HCV). Material and methods: 42 cases of patients with HCV submitted to biopsy for diagnosis of cirrhosis were retrospectively examined. Prevalence of the hepatic border nodularity finding was established, as well as its histopathological correlation with the METAVIR classification. Sensitivity and specificity of the finding and its predictive positive and negative value were determined. Results: Of the 42 studies, 6 had fibrosis (cirrhosis), 15 were normal and 21 changes of the portal entryway, with no fibrosis. Sensitivity and specificity of the finding was 16 and 92% respectively and its predictive positive and negative value was 25 and 85%. Conclusion: The ultrasonographic hepatic border nodularity pattern is very accurate to identify cirrhosis in patients with HCV, although its benefit to predict early changes or to exclude them is still limited. [ABSTRACT FROM AUTHOR]

Introduction: Nephrogenic systemic fibrosis (NSF), is a disease characterized by its predominant cutaneous findings. In some patients there is a systemic involucrum; It was described for the first time in 1997. Methodology: This disease has been associated with a combination of factors including altered renal function, inflammatory processes and the exhibition to contrast agent based on Gadolinium. Gadolinium and nephrogenic systemic fibrosis: The mechanism through which contrast agents based on Gadolinium may trigger NFS is not completely well-known. However, the solid association between Gadolinium and NFS limits its use in patients with renal insufficiency. In this revision, the current situation of NFS, its association with the use of contrast agents containing Gadolinium and the recommendations proposed by different organizations, is shown. [ABSTRACT FROM AUTHOR]

Objective: To review the spectrum of ultrasound features of the renal cells cancer (RCC), and make a comparison with that reported in the literature. Material and methods: The radiological file of patients with malign kidney tumor diagnosis in the last five years was reviewed, from which only whose diagnosis out of RCC corroborated by pathology were included. Besides, those whose ultrasounds didn't comply with valid approaches were excluded, resulting a sample of 35 patients. Blind reading of the ultrasounds by two radiologists of the Institute was carried out. Results: The results are similar to those reported in the literature as for the size of the lesion, to the diagnosis, echogenicity, presence of cystic/hemorrhagic degeneration, homogeneity / heterogeneity of the lesion, vascular pattern and calcifications. Conclusions: The ultrasound is an economic and available method in the evaluation of RCC, and it continues being the study of first election, although it requires of experience and is operator-dependant. [ABSTRACT FROM AUTHOR]