Search

Introduction. Kidney cancer is the eleventh most common malignancy in the United States of Mexico. Carcinoma renal cell (CRC) is considered the most frequent type and represents 2-3% of all cancers worldwide. In the setting of metastatic disease, a primary renal tumor is usually identified, and metastases are located in the lung, bone, liver, brain, and rarely in soft tissue. Patients with soft tissue metastases do not have symptoms in the initial stages and are generally found only when the lesions increase in size or during the study of the surgical resection piece. Clinical case. In this case, we report a female patient in the seventh decade of life with a soft tissue metastasis located in the sacral region, 10 years after a nephrectomy secondary to CRC. Results. Clinical and radiological findings of a well-defined tumor. Surgical resection of the lesion is performed under regional anesthesia with complete excision. Conclusions. It is recommended that patients with a resectable and solitary metastatic site be candidates for surgical resection with free margins, as was the case with our patient due to its easy access and single lesion. In CRC, in addition to its initial surgical treatment, close surveillance with physical examination and cross-sectional images is essential to monitor the presence of metastases and thus avoid late treatments. [ABSTRACT FROM AUTHOR]

Introduction: Since body image constitutes a cross-sectional axis in the quality of life of oncology patients, it is of great relevance to identify its impact on it, recognize its importance within the health-disease process, and include it in the approach and follow-up, to improve their quality of life. Methodology: An extensive literature review was carried out in freely accessible databases such as PubMed, BVS, Dialnet, and ClinicalKey, between August and September 2022; for this, MeSH terms such as "breast cancer", "body image", and "quality of life", in both English and Spanish, were used and related to the Boolean operator "and", in English, and "y", in Spanish. Results: 35 articles were selected, of which 2 used the EORTC QLQ C30, 7 used the EORTC QLQ-BR23 survey, 4 used BIS as the sole scale. On the other hand, 17 used the QLQ-BR23 and QLQ C30, one article used QLQ-BR23 and BIS, and only 4 used all three scales. Conclusions: It is important to carry out individualized management in patients with breast cancer, considering that their body image is negatively affected, which influences their quality of life. Regarding surgical management, it was determined that patients undergoing mastectomy have a greater impact on the perception of their body image. Finally, in patients managed with chemotherapy, deterioration of body image is evident as the treatment progresses, and hair loss represents a major concern for them. [ABSTRACT FROM AUTHOR]

Copyright of Revista Veterinaria is the property of Universidad Nacional del Nordeste and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The paper describes a new interface program to convert Single Photon Emitted Computer Tomography (SPECT) images in Interfile format to Monte Carlo MCNPX code input file, and vice versa. The program was implemented in DELPHI 7.0, which opearates in a MS de Windows environment, and offers important tools that allow a flexible vizualization and manipulation of tomography slices. The material composition is computed in correspondence with the voxel geometry, given by SPECT images for an equivalent tissue. To validate the proposed interface, "S" factors were generated on a phantom of 81x81x81 voxels with a uniform activity distribution in the source voxel in Interfile format. The results were compared with those reported for the Y-90, as provided in the MIRD pamphlet No.17, which were calculated using the EGS4 Monte Carlo code. The comparison of results demonstrated good agreement (up to 2% difference) for the voxels next to the central source voxel. The program facilitates obtaining dosimetry calculations from SPECT images for users with little or no experience in the use of Monte Carlo codes, hence its convenience in routine clinical assessments. In order to demonstrate the program's applicability, images taken from a patient with hepatic metastases were used for the dosimetry calculations, which revealed satisfactory results. [ABSTRACT FROM AUTHOR]

Introduction. The characteristic appearance of hemangiomas on CT obtained after bolus injection of contrast material has been well described And because of advances in imaging technology, hemangiomas are being detected more frequently. We have encountered various typical and atypical forms that may be difficult to recognize as hemangiomas on cross-sectional imaging. Objective. To determine the prevalence of typical and atypical appearances associated with hepatic hemangiomas, describe the multiphasic CT findings, and correlate with the size and to be found incidentally. Method. A total of 1170 studies performed in our institution, were included in a prospective study, from January,2005, to January, 2006. All radiologic images were prospectively reviewed by one experienced abdominal radiologists (GAMR) evaluating findings on the multiphase CT scans and determined the size of the hemangioma defined as the greatest diameter on CT images on which the lesion appeared largest. Each hemangioma was categorized as small (2 cm), medium (2-4 cm), or large (4 cm). In every case, many parameters were consigned, including the reason for the study, and if the hemangioma was typical or atypical, patients with the diagnoses of cirrhosis or a primary cancer etc. Results. The hemangiomas was found in 29 patients (9 male, 31% and 20 female, 69%) ranged between 18-65 years old and in size from 0.5 to 11.0 cm (mean, 2.3 cm). Fifteen patients (52%) had a single hemangioma, while fourteen (48%) had multiple hemangiomas. Progressive enhancement starting peripherally has long been identified as a characteristic feature of hemangiomas, but prior researchers have not studied small lesions with MDCT imaging that we included 21 patients with lesions smaller than 4 cms (73%) in our study population. While 85% of our hemangiomas were judged as demonstrating progressive expansion, 15% demonstrated others characteristics features. Conclusion. Our study demonstrated a more frequent multiple lesions (48%) within the liver and that optimal CT can accurately depict hemangiomas in many cases. The incidence of multiple hemangiomas in the general population varies in published reports to 10%. Hemangioma is the most common benign tumor of the liver. The classic diagnostic findings for hemangioma are: on unenhanced CT, hypoattenuation similar to that of vessels; on dynamic contrast-enhanced CT peripheral globular enhancement and a centripetal fill-in pattern with the attenuation of enhancing areas identical to that of the aorta and blood pool. We believe that our results are largely attributable to improved CT protocols and equipment. [ABSTRACT FROM AUTHOR]

Introduction: Acute Colonic Diverticulitis (DAC) has increased its incidence over the last decade. Computed Tomography (TC) is the gold standard for the diagnosis of DAC since it allows early detection of severe forms of the disease and its complications. Objective: To compare demographic, clinical, radiological and prognostic variables of patients with ACD managed by surgical or medical treatment. Material and methods: From January 2006 to August 2008, all patients diagnosed with DAC corroborated by TC attended at a third-level private practice hospital of Monterrey were included. Demographic (age and gender), clinical, laboratory, prognostic and therapeutic (use of antimicrobials) variables were assessed. TC was performed in all patients within the first 12 in-hospital hours. Descriptive and comparative statistical analysis was performed, considering an statistically significant difference for p values < 0.05. Results: were included 49 patients, both men and women, the mean age was 55.2 ± 13.4. Regarding treatment, 28.6% (n=14) received surgical management and 71.4% (n = 35) received medical management. On the context of severity, 89.7% (n = 44) had a mild episode, 6.5% (n = 13) requiring surgery. No significative differences were found regarding the number of previous ACD episodes nor the length of the hospital stay. No deaths were found. Conclusions: The majority of ACD episodes documented by TC were mild. The therapeutic choice involving surgery was not based on TC results. Antimicrobial treatment was very heterogeneous and didn't seem to influence management, although it was noticeable that in the surgical group exists a tendency for the use of more antimicrobials. The surgical management seemed peculiar and does not resemble that on national or international guidelines. [ABSTRACT FROM AUTHOR]