Acute Necrotizing Encephalopathy of Childhood (ANEC): A Case Report

How to Cite This Article: Hassanzadeh Rad A, Aminzadeh V. Acute Necrotizing Encephalopathy of Childhood (ANEC): A Case Report. IranJ Child Neurol. Winter 2017; 11(1):75-77.AbstractAcute Necrotizing Encephalopathy of childhood (ANEC) is a specific type of encephalopathy. After viral infection, it can be diagnosed by bilateral symmetrical lesions predominantly observed in thalami & brainstem of infants & children.Although, it is commonly occurred in Japanese and Taiwanese population. The goal of this article is to report a rare case of ANEC in a 15 months old girl infant from Thaleghani Hospital, Ramian, Gorgan, northern Iran.References1. Mizuguchi M, Mizuguchi M, Abe J, et al. Acute necrotising encephalopathy of childhood: a new syndrome presenting with multifocal, symmetric brain lesions. J Neurol, Neurosurg Psychiatr 1995;58(5):555-561.2. Mizuguchi M. Acute necrotizing encephalopathy of childhood: a novel form of acute encephalopathy prevalent in Japan & Taiwan. Brain Dev 1997;19:81-82. 3. Narra R, Mandapalli A, Kamaraju SK. Acute Necrotizing Encephalopathy in an Adult. J Clin Imag Sci 2015;5:20. doi:10.4103/2156-7514.156117.4. Kim JH1, Kim IO, Lim MK, et al. Acute necrotizing encephalopathy in Korean infants and children: imaging findings and diverse clinical outcome. Korean J Radiol 2004 Jul-Sep;5(3):171-7.5. Salehiomran MR, Nooreddini H, Baghdadi F. Acute Necrotizing Encephalopathy of Childhood; A Case Report. Iran J Child Neurol 2013;7(2):51-54.6. Protheroe SM ,Mellor DH. Imaging in influenza A encephalitis. Arch Dis Child 1991;66:702-705. 7. Barkovich AJ. Infections of the nervous system. Pediatic neuroimaging 3rd ed. Philadelphia:Lippincoot Williams &Wilkins, 2000:744-746. 8. Kumar S1, Misra UK, Kalita J, et al. MRI in Japanese encephalitis.Neuroradiology 1997:39:180-184. 9. Abe T1, Kojima K, Shoji H, et al. Japanese encephalitis. J MRI 1998;8:755-761.10. Fenichel G. Clinical pediatric neurology; 4th ed. 2002:54

Dynamics of modulationally unstable ionacoustic wave packets in plasmas with negative ions

In this paper we study the propagation of nonlinear ion-acoustic waves in plasmas with negative ions. The Gardner equation governing these waves in plasmas with the negative ion concentration close to critical is derived. The weakly nonlinear theory of modulational instability based on the use of the nonlinear Schrödinger equation is discussed. The investigation of the nonlinear dynamics of modulationally unstable quasi-harmonic wavepackets is carried out by the numerical solution of the Gardner equation. The results are compared with the predictions of the weakly nonlinear theory

Minimality properties of set-valued processes and their pullback attractors

We discuss the existence of pullback attractors for multivalued dynamical systems on metric spaces. Such attractors are shown to exist without any assumptions in terms of continuity of the solution maps, based only on minimality properties with respect to the notion of pullback attraction. When invariance is required, a very weak closed graph condition on the solving operators is assumed. The presentation is complemented with examples and counterexamples to test the sharpness of the hypotheses involved, including a reaction-diffusion equation, a discontinuous ordinary differential equation and an irregular form of the heat equation.Comment: 33 pages. A few typos correcte