central nervous system infection is a rare complication of endovascular procedures. we report a 21-year-old woman presented with headache, nausea, vomiting, and right-sided hemiparesis 4 months after endovascular embolization of cerebral arteriovenous malformation. investigations led to the diagnosis of multiple brain abscesses. this is the sixth case report of brain abscess following endovascu...

objectives: the aim of this study was to histologically compare the regenerative properties of two allografts manufactured by two iranian companies. materials and methods: in this study, four 8-mm defects were produced in the calvaria of 12 rabbits. in three defects, three types of allografts namely itb, cenobone and grafton were placed and one defect served as control. samples were prepared an...

hyper - immunoglobulin e syndrome is a rare primary immunodeficiency disease characterized by recurrent abscess formation, respiratory tract infections and very high titers of serum ige associated with peculiar face and skeletal features. we report a seven-year old  girl  presenting with persistent productive cough and  history of chronic eczematoid facial lesions since infancy  and  two episod...

abstract background: invasive fungal infection is an opportunistic infection caused commonly by mucoraccae and aspergillus. it mostly occurs in patients with underlying disease. since it has a high mortality and morbidity rate, considering a treatment strategy seems necessary.   objective: since there has not been a clear protocol for treating these patients, we decided to establish a protocol ...

Dandy-Walker malformation is a rare congenital malformation, characterized by agenesis or hypoplasia of the cerebellar vermis, cystic dilatation 4th ventricle and enlargement posterior fossa. Postnatal hydrocephalus develops in approximately 70-90% patients. The relationship with postaxial polydactyl has been defined as possible autosomal recessive syndrome (OMIM 220220). Here, we present an in...

Congenital cystic Adenomatoid malformation is a rare developmental abnormality of the lung occuring in 1-4/100000 live births.In most cases the outcome with CCAM in fetus is very good,while in some cases the outcome is very bad and can be life threatning for the fetus.we report here a case of 40 day old female infant who presented with worsening respiratory distress since birth and x ray and CT...

The authors describe the surgical anatomy for the endoscopic endonasal approach (EEA) to the ventrolateral skull base. The ventrolateral skull base can be divided into two segments: the upper lateral and lower lateral skull base. The upper lateral skull base includes the cavernous sinus and the orbit, while the lower lateral skull base includes the petrous apex, Meckel's cave, parapharyngeal sp...

Preliminary positive results of transcranial direct current stimulation (tDCS) in enhancing the effects of cognitive and motor training indicate that this technique might also be beneficial in traumatic brain injury or patients who had decompressive craniectomy for trauma and cerebrovascular disease. One perceived hurdle is the presence of skull defects or skull plates in these patients that wo...

The Abernethy malformation is a rare congenital malformation defined by the presence of an extrahepatic portosystemic shunt. Although most patients are asymptomatic, clinical encephalopathy is present in 15% of cases. We present a patient with type 2 Abernethy malformation, hyperammonemia, and encephalopathy. Shunt closure was performed successfully using interventional angiography; however, hy...

The most common type of vascular malformation is the venous malformation and these are occasionally associated with phleboliths. We report a case of a 45 year old woman with intraoral venous malformation with phleboliths.