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Transmission fiber chromatic dispersion dependence on temperature: implications...

Andre, PS; Teixeira, AL; Pinto, AN; Pellegrino, LR; Neto, BB; Rocha, JF; Pinto, JL; Monteiro, PN

In this letter we will evaluate the performance degradation of a 40 km high-speed (40 Gb/s) optical System, induced by optical fiber variations of the chromatic dispersion induced by temperature changes. The chromatic dispersion temperature sensitivity will be estimated based on the signal quality parameters.


The sonographic pitfall of carotid collateralisation via the vasa vasorum

Soares-Fernandes, JP; Ribeiro, M; Magalhães, Z; Rocha, JF


Brain diffusion-weighted and diffusion tensor imaging findings in an infant wit...

Soares-Fernandes, JP; Magalhães, Z; Rocha, JF; Barkovich, AJ


The sonographic pitfall of carotid collateralisation via the vasa vasorum

Soares-Fernandes, JP; Ribeiro, M; Magalhães, Z; Rocha, JF

Data: 2009   |   Origem: Repositório Comum

Brain diffusion-weighted and diffusion tensor imaging findings in an infant wit...

Soares-Fernandes, JP; Magalhães, Z; Rocha, JF; Barkovich, AJ

Data: 2009   |   Origem: Repositório Comum

Neonatal pyruvate dehydrogenase deficiency due to a R302H mutation in the PDHA1...

Soares-Fernandes, JP; Teixeira-Gomes, R; Cruz, R; Ribeiro, M; Magalhães, Z; Rocha, JF; Leijser, LM

Pyruvate dehydrogenase (PDH) deficiency is one of the most common causes of congenital lactic acidosis. Correlations between the genetic defect and neuroimaging findings are lacking. We present conventional and diffusion-weighted MRI findings in a 7-day-old male neonate with PDH deficiency due to a mosaicism for the R302H mutation in the PDHA1 gene. Corpus callosum dysgenesis, widespread increased diffusion in ...


Simultaneous supratentorial and brainstem abscesses due to Listeria monocytogenes.

Soares-Fernandes, JP; Beleza, P; Cerqueira, JJ; Ribeiro, M; Maré, R; Lourenço, E; Rocha, JF

Multiple supratentorial abscesses caused by Listeria monocytogenes are rare. We report the simultaneous occurrence of multiple supratentorial and brainstem abscesses due to Listeria, in a patient under corticotherapy for an exacerbation of ulcerative colitis. MR imaging features before and after successful conservative treatments are depicted. In immunocompromised patients with supratentorial listerial abscesse...

Data: 2008   |   Origem: Repositório Comum

Neonatal pyruvate dehydrogenase deficiency due to a R302H mutation in the PDHA1...

Soares-Fernandes, JP; Teixeira-Gomes, R; Cruz, R; Ribeiro, M; Magalhães, Z; Rocha, JF; Leijser, LM

Pyruvate dehydrogenase (PDH) deficiency is one of the most common causes of congenital lactic acidosis. Correlations between the genetic defect and neuroimaging findings are lacking. We present conventional and diffusion-weighted MRI findings in a 7-day-old male neonate with PDH deficiency due to a mosaicism for the R302H mutation in the PDHA1 gene. Corpus callosum dysgenesis, widespread increased diffusion in ...

Data: 2008   |   Origem: Repositório Comum

Simultaneous supratentorial and brainstem abscesses due to Listeria monocytogenes.

Soares-Fernandes, JP; Beleza, P; Cerqueira, JJ; Ribeiro, M; Maré, R; Lourenço, E; Rocha, JF

Multiple supratentorial abscesses caused by Listeria monocytogenes are rare. We report the simultaneous occurrence of multiple supratentorial and brainstem abscesses due to Listeria, in a patient under corticotherapy for an exacerbation of ulcerative colitis. MR imaging features before and after successful conservative treatments are depicted. In immunocompromised patients with supratentorial listerial abscesse...



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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia