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Background: Primary intracranial hydatid cyst is a rare location of human echinococcosis whose spontaneous, traumatic or even iatrogenic rupture, as in case of misdiagnosis, may cause anaphylactic reactions and dissemination. Case Report: We discuss the management of a 9-year-old boy who was admitted to our Emergency Department with an...

Purpose Describe presentation and management of Chiari type 1 malformation. We report our surgical case series proposing a decision making scheme for helping surgeons decide which surgical procedure to perform and when. Methods We retrospectively examined a series of surgically treated patients with Chiari type 1 malformation. Treatment of...

Purpose: Arachnoid cysts may present with symptoms deriving from cyst rupture, usually causing intracystic hemorrhage and subdural hematoma or hygroma. Rupture is usually caused by minor trauma, spontaneous rupture is an exceptional event, and 57 cases have been described in literature. We here present and discuss the largest series of...

BACKGROUND: Bilateral lambdoid and posterior sagittal synostosis is a rarely encountered multisutural craniosynostosis accounting for 0.3%-0.7% of all craniosynostoses. It has been named "Mercedes- Benz Syndrome" (MBS) because of the bone ridges that resemble the Mercedes-Benz logo. The typical head shape is usually described as anterior...

OBJECTIVE: Given the lack of significant responses to many queries regarding behavior, treatment options, and possible prevention of iatrogenic intraspinal inclusion tumors (IITs), we think that further clinical, radiologic, and follow-up data are mandatory to better characterize this entity. We retrospectively reviewed a series of 14...

Objective: We describe a rare case of functioning gonadotropins-producing pediatric adenoma immunostaining positively for FSH and focally for TSH causing central precocious puberty associated to central hypothyroidism in a 6 year-old girl. Materials and Methods: Clinical evaluation revealed precocious puberty, as confirmed by hormonal...

Introduction: Arachnoid cysts are benign cerebrospinal fluid collection within a duplication of arachnoid membrane and, when found in the retrocerebellar site, they may be associated with tonsils herniation. This rare situation of coexisting retrocerebellar arachnoid cyst (AC) and Chiari malformation type 1 (CM-1) have been previously reported...

Cerebral cavernous malformations (CCMs) are vascular malformations mostly located within the central nervous system. Heterozygous loss of function mutations in CCM1/KRIT1, CCM2/MGC4607, and CCM3/PDCD10 genes are identified in about 90 % of familial cases of CCMs and two thirds of sporadic cases with multiple lesions. In this study, we performed...

BACKGROUND: Dermoid and epidermoid cysts are among the most frequent lesions of the scalp in the pediatric population. Optimal management of a suspected dermoid or epidermoid cyst in children is debated: Some authors advocate conservative management on the basis of the benign histology of these entities, while others prefer surgical...

BACKGROUND: Nontraumatic atlantoaxial subluxation, also known as Grisel syndrome, is a rare disease that usually affects children. The typical presentation is torticollis in patients with a history of surgical operations or airway infections.METHODS: We describe 5 patients with Grisel syndrome, referring to medical care for a torticollis, a few...

Cavernous malformations (CM) are cerebral irradiation-related late complications. Little is known about their natural history and the pathogenetic role of concomitant chemotherapy. We present a retrospective, single-institution study of 108 children affected with medulloblastoma, ependymoma, or germinoma treated with radio- and chemotherapy....

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OBJECTIVES: Cerebral hyaline protoplasmic astrocytopathy (HPA) is a clinicopathologic entity characterized by eosinophilic cytoplasmic inclusions within astrocytes. It has been observed in a subset of patients with early-onset epilepsy, brain malformations, and developmental delay. The exact association of this entity with epilepsy is still...

Purpose: The aim of this study was to investigate MRI-derived diffusion weighted imaging (DWI) and arterial spin labeling (ASL) perfusion imaging in comparison with 18F–dihydroxyphenylalanine (DOPA) PET with respect to diagnostic performance in tumor grading and outcome prediction in pediatric patients with diffuse astrocytic tumors (DAT)....

Purpose: The aim of this study was to compare arterial spin labeling (ASL) and dynamic susceptibility contrast (DSC) MRI perfusion with respect to diagnostic performance in tumor grading in pediatric patients with low- and high-grade astrocytic tumors (AT). Methods: We retrospectively analyzed 37 children with histologically proven treatment...