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1.
Rev. chil. radiol ; 20(4): 135-140, 2014. ilus
Article in Spanish | LILACS | ID: lil-734820

ABSTRACT

The preoperative study in search of multifocality, multicentricity and bilaterality is essential for the proper therapeutic management of breast cancer. The reference standard to accomplish this is breast Magnetic Resonance Imaging (MRI). Based on the literature, we adapted the thorax CT protocol for the study of the breast. The aim of this paper is to demonstrate the feasibility of CT with emphasis on the breast, as an alternative to preoperative MRI in places where it is not available. Pre-operative CT was performed in all patients with newly diagnosed breast cancer between August 2013 and September 2014...


El estudio preoperatorio en búsqueda de multifocalidad, multicentricidad y bilateralidad es fundamental para el adecuado manejo terapéutico del cáncer (CA) mamario. El estándar de referencia para realizarlo es la resonancia magnética (RM) mamaria. Basados en la literatura, adaptamos el protocolo de TC de tórax para el estudio de la mama. El objetivo de este trabajo es demostrar la factibilidad de la TC con énfasis en mama como método alternativo a la RM pre-operatoria, en lugares donde ésta no está disponible. Se realizaron TC pre-operatorias en todas las pacientes con diagnóstico reciente de CA mamario entre agosto de 2013 y septiembre de 2014...


Subject(s)
Humans , Adult , Female , Middle Aged , Aged, 80 and over , Preoperative Care , Neoplasm Staging/methods , Breast Neoplasms/pathology , Tomography, X-Ray Computed/methods , Retrospective Studies
2.
Rev. chil. radiol ; 15(2): 65-69, 2009. ilus, tab
Article in Spanish | LILACS | ID: lil-579554

ABSTRACT

Multislice computed tomography provides high spatial and temporal resolution images in addition to high quality multiplanar and three-dimensional reconstructions. As a result of this diagnostic efficacy, the Computed Tomography Urography (Uro-CT) has become the technique of choice for evaluating the urinary tract, virtually replacing the traditional urography examination. At Padre Hurtado Hospital, Santiago, Chile, we conducted a retrospective analysis to review our experience with Uro-CT scanning and split bolus technique, which has the potential to yield a synchronous nephrographic and excretory phase of the urinary system, thus reducing radiation dose for patients, number of images and costs generated by MDCT urography. A series of 31 cases is presented, along with description of techniques applied as well as study main findings.


La tomografía computada multicorte permite obtener imágenes de alta resolución espacial y temporal además de reconstrucciones multiplananes y tridimensionales de gran calidad, lo que ha hecho que la Urografía por Tomografía Computada (UroTAC) se convierta en la técnica de elección para la evaluación del tracto urinario, reemplazando prácticamente a la urografía tradicional. En el Hospital Padre Hurtado, revisamos nuestra experiencia con UroTAC y técnica de "split bolus" que permite obtener simultáneamente una fase nefrográfica y excretora del sistema urinario mediante una sola adquisición, lo que disminuye la dosis de radiación al paciente, el número de imágenes y los costos de la UroTAC estándar. Presentamos una serie de 31 pacientes estudiados, describiendo la técnica y los principales hallazgos obtenidos en ellos.


Subject(s)
Humans , Male , Adolescent , Adult , Female , Middle Aged , Aged, 80 and over , Female Urogenital Diseases , Male Urogenital Diseases , Tomography, X-Ray Computed , Urography/methods , Radiation Dosage , Urologic Diseases , Retrospective Studies
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