Nosocomial Infections (NIs) occurred in a third of the patients; increasing in those with traumatic pathology, undergoing surgery, admitted to the ICU, and prolonged hospital stay; thereby increasing mortality. It is unavoidable to consider the presence of Gram-negatives and enterobacteria when using antimicrobials in the treatment of NI in neurosurgical patients.This study shows the epidemiology of NIs inhospitalized in the Neurosurgery Service of Cayetano Heredia Hospital (HCH), between April 2020 and March 2021.

Cerebral venous thrombosis (CVT) is a rare type of cerebrovascular disease that can occur at any age and represents 0.5% to 1.5% of the total.¹ Superior sagittal venous sinus thrombosis (SSVST) secondary to brain injury (BTI) is reported worldwide only as single cases or in small series.^3,4 Headache is the most frequent symptom (90%). The most common focal signs are aphasia and hemiparesis. Papilledema occurs in 25% of cases and epilepsy in about 40%.^1,4 Diagnosis is made by venous phase angiography, or by magnetic resonance imaging (MRI) with gadolinium or computed tomography (CT)^1,2.

The first case of pediatric spindle cell / pleomorphic sarcoma associated with Haberland syndrome or Encephalocraniocutaneous Lipomatosis, a rare ectomesodermal dysgenesis defined by the triad that includes ocular, skin, and central nervous system involvement, which is usually unilateral, is described. This disorder is attributed to a postzygotic mutation responsible for dysgenesis of the neural tube and crest.

Problems with appearance may negatively affect the mental health of individuals with disfigurement so, cranioplasty has an important role in improving the physical appearance of patients as well as their psychological symptoms. This study aims to highlight the aesthetic as well as the psychological outcomes of cranioplasty using the two most widely used synthetic graft materials; polymethyl methacrylate (PMMA) and titanium mesh.