Noguera, J.J. (José J.)
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- Neumatosis intestinal y gas portomesentérico: a propósito de un caso(Ediciones Universidad de Navarra, 2007) Noguera, J.J. (José J.); Aquerreta, D. (Dámaso); Viudez, A. (Antonio); Cosin, O. (Octavio); Elorz, M. (Mariana); Alonso-Burgos, A. (Alberto); Pueyo, J. (Jesús)La neumatosis intestinal (presencia de gas en el interior de la pared intestinal y en el complejo venoso portomesentérico) es una situación clínica poco frecuente que ha sido característicamente relacionada con la isquemia intestinal y con un desenlace fatal. Existen otras causas que pueden justifi car estos hallazgos y cuya repercusión para el paciente no es inevitablemente trágica. Los avances recientes en técnicas de imagen, sobre todo en tomografía computarizada multicorte (TCMC), permiten un diagnóstico preciso fi able y precoz de estos hallazgos. En este artículo, repasamos las manifestaciones radiológicas de la neumatosis intestinal en TC así como las distintas causas relacionadas con esta entidad, en relación con los hallazgos presentes en un paciente diagnosticado de carcinoma de esófago y en tratamiento quimioterápico. INGLÉS: Intestinal pneumatosis (presence of gas in the intestinal wall and in the portomeseteric veins) is an infrequent clinical situation that has been associated with extended bowel necrosis and fatal outcome. However, there are other reasons that can justify these findings without such an outcome. Recent advances in diagnostic imaging techniques, especially multislice computerized tomography (MSCT), have allowed precise and quick diagnosis of these entities. In this article, we review the MSCT radiological manifestations of intestinal pneumatosis, as well as the different diagnoses related with the findings observed in a patient diagnosed with esophageal carcinoma under chemotherapy treatment.
- Quiste del cuarto arco branquial en la membrana tirohioidea: un difícil diagnóstico diferencial con el laringocele mixto(Ediciones Universidad de Navarra, 2007) Noguera, J.J. (José J.); Fernández-González, S. (Secundino); Panizo, A. (Ángel); Villanueva, A. (Alberto)We present a case of a 62-year-old female patient with a right latero-cervical mass and an enlarged arytenoepiglottic fold, that caused voice disturbances. Computed tomography of the neck depicted an unilocular and homogeneous well-defined cyst located in the right parapharyngeal space that extended through the thyrohyoid membrane. It was initially diagnosed of mixed laryngocele. During surgical resection, no connexion between the lesion and laryngeal ventricle was detected, so the final diagnosis was branchial cyst. We discuss the pathogenicity and clinical, radiological and histological findings that facilitate differential diagnosis between mixed laryngocele and branchial cysts, mainly those derived from the second and fourth clefts. The radiological and histological findings in both lesions may be similar, so only the communication with the larynx, or its absence, can solve diagnostic doubts, course.
- Functional bold MRI: advantages of the 3 T vs. the 1.5 T(Elsevier, 2011) Garcia-de-Eulate, R. (Reyes); Noguera, J.J. (José J.); Domínguez-Echávarri, P.D. (Pablo Daniel); Zubieta, J.L. (José L.); Rodriguez-Oroz, M.C. (María Cruz); Garcia-Garcia, D. (David); Luis, E. (Esther) deWe quantitatively evaluate the benefits of a higher field strength for functional brain MRI (fMRI) based on the blood oxygenation level-dependent contrast. The 3-T fMRI shows a higher sensitivity for the motor and somatosensory stimulation and more specific localization in the grey substance. The 3-T fMRI detects additional areas of activation with the motor paradigm.