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(11) Calcifications in the falx cerebri are extremely rare in pediatrics; their presence is considered pathologic and should raise suspicion for GS until ruled out.
Cranial computerized tomography (CT) revealed frontal bossing; and basal ganglia, falx cerebri, and tentorium cerebelli calcifications (Picture 4).
Computed tomography (CT) of the head identified air along the anterior margin of the falx cerebri; the CT also showed that the nasal pack had been placed appropriately (figure).
The tumor appeared to be growing around the falx cerebri with one area of invasion.
The syndrome consists of multiple BCCs, odontogenic keratocysts of jaws, palmer, or planter pits, anomalies of the ribs and spine (bifid ribs, spina bifida) and calcification of the falx cerebri. (2,8) Here we report a unique case of a neglected BCC with significant jaw involvement.
The edematous range determines a mass effect over the left VL comprising it, and over the falx cerebri, with a right-deviation of 7-8 mm.
The major criteria required are multiple (>2) basal cell carcinomas (or one if under 20 years of age), odontogenic keratocysts of the jaws proven by histopathology, 3 or more palmar or plantar pits, bilamellar calcification of the falx cerebri, bifid, fused or markedly splayed ribs, and first-degree relatives with nevoid basal cell carcinoma.
Falx cerebri and Absent IH Partial Hypoplastic interhemispheric fissure.
These folds include the falx cerebri (separating the left and right cerebral hemispheres), and the tentorium, which separates the cerebral hemispheres from the cerebellum (see Box 1, p23).
Alobar holoprosencephaly is the most severe form where cerebral hemispheres are fused resulting in a single ventricular cavity with fusion of thalami, absence of corpus callosus, falx cerebri, optic tracts and olfactory bulbs14.
However, Tucha showed no change of memory, visuoconstructive abilities, or executive function in patients with frontal meningioma resection [23], and an amazing improvement of functioning in various domains of cognition was displayed in the elder patients with falx cerebri meningioma [24].
HPCs often arise from dural sinuses, skull base, tentorium, and the falx cerebri. Adjacent to the lateral ventricle involvement, as seen in our case, is extremely rare in the medical literature.