El quiste leptomeníngeo, también llamado fractura craneal evolutiva, creciente, o expansiva, meningocele traumático, pseudomeningocele, absorción ósea postraumática, es una rara complicación de las fracturas craneales, siendo su incidencia inferior al 1%. Ocurre forma casi exclusiva en niños menores tres años, pero se han reportado algunos pocos adultos, que atribuyen a craneales sufridas la in...

A polyethylene glycol (PEG) hydrogel sealant recently has been approved as an adjunct to sutured dural closure in Japan. We treated consecutive six patients with PEG hydrogel sealant in posterior fossa operation. Three of six cases suffered delayed cerebrospinal fluid (CSF) leak after watertight dural closure with the PEG hydrogel sealant, although there was no leak case which was treated with ...

background and importance: pseudomeningocele is a rare complication of spine surgery, and it is the collection of cerebrospinal fluid in paraspinal tissues. giant pseudomeningoceles are still rare, and very few cases have been reported in literature. it is usually occult in presentation, and patients do not have any symptoms ascribable to it. case presentation: we came across two symptomatic pa...

AIM To explore the clinical value of bone flap creation and the sinus protection in the approach of retrosigmoid keyhole craniotomy with the guidance of three-dimensional (3D) sliced computer tomography (CT) reconstruction of the skull transverse sinus and sigmoid sinus groove. MATERIAL AND METHODS The scalp tracings of the transverse sinus and sigmoid sinus groove of 108 posterior fossa lesi...

Traumatic retropharyngeal pseudomeningoceles occur rarely, are associated with severe trauma, and have been reported in patients with significant neurologic deficits at presentation. We report the rare occurrence of a pseudomeningocele following a high-speed motor vehicle accident. Neurological examination showed the patient to be briskly following commands, with intact cranial nerve, motor, an...

At 33 weeks of pregnancy, a 29-year-old woman presented with uterine contractions. A transabdominal obstetrical sonogram with Doppler revealed severe hydrocephalus secondary to a large avascular third ventricular mass (Fig 1A). Delivery by cesarean section at 34 weeks revealed marked macrocephaly, widely separated sutures, and tense fontanelles. Contrast-enhanced computed tomography (CT) of the...