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1.
Rev. chil. radiol ; 24(2): 55-62, jul. 2018. tab, ilus
Article in Spanish | LILACS | ID: biblio-959577

ABSTRACT

Resumen: El tratamiento de aneurismas intracraneanos rotos y no rotos incluye opciones quirúrgicas (clips vasculares) y endovasculares. Existen varios dispositivos y técnicas de manejo endovascular (coils, stents, diversores de flujo), cuyo conocimiento permite elegir e interpretar adecuadamente las técnicas de imágenes para el seguimiento no invasivo. Mediante una revisión pictográfica del control de aneurismas intracraneanos tratados quirúrgicamente y vía endovascular, se muestran las diferencias en la capacidad de caracterización en el seguimiento con angio TC, angio RM sin contraste (con técnica de "tiempo de vuelo" o "TOF" por sus siglas en inglés), angio RM con gadolinio endovenoso (C+) y angiografía por sustracción digital (ASD). Adicionalmente se entregan recomendaciones para el seguimiento de aneurismas según modalidad y dispositivo de tratamiento.


Abstract: Treatment of intracranial ruptured and unruptured aneurysms can be performed with surgical (vascular clips) or endovascular procedures (coils, stents, flw diverters). There are several devices and techniques for endovascular treatment. Knowledge of this techniques allows physicians to choose and interpret accurately imaging modalities for non-invasive follow-up. Through a pictorial essay of imaging follow-up of treated intracranial aneurysms we show the differences in characterization with computed tomography angiography, magnetic resonance angiography without contrast (time of flght or "TOF" technique), contrast enhanced MR angiography (C+) and digital subtraction angiography (DSA). Additionally we recommend imaging modalities for each treatment device.


Subject(s)
Humans , Vascular Surgical Procedures/methods , Intracranial Aneurysm/surgery , Intracranial Aneurysm/diagnostic imaging , Endovascular Procedures/methods , Surgical Instruments , Vascular Surgical Procedures/instrumentation , Stents , Treatment Outcome , Magnetic Resonance Angiography , Endovascular Procedures/instrumentation , Computed Tomography Angiography
2.
GED gastroenterol. endosc. dig ; 30(1): 30-31, jan.-mar. 2011. ilus
Article in English | LILACS | ID: lil-639276

ABSTRACT

We report a case of neuroendocrine tumor in rectum that was endoscopically resected and discuss the need of imaging follow-up for the early detection of cancer comorbidities to improve prognosis.


Relato de um caso de tumor neuroendócrino no reto, que foi submetido à ressecção endoscópica e avaliada a necessidade de imagens de acompanhamento para a detecção precoce de câncer como comorbidade para melhorar o prognóstico.


Subject(s)
Humans , Male , Middle Aged , Rectal Neoplasms , Rectal Neoplasms/surgery , Rectal Neoplasms/diagnostic imaging , Neuroendocrine Tumors
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