A series of 65 pediatric patients with scalp or calvarial masses is reported on. The majority of children presented with a disfiguring or painful mass on the head. Clinical findings suggested the correct diagnosis in 39/65 cases, skull radiographs in 46/65, and CT in 49/65. Taking the combined results of clinical and radiological studies, 54/65 of the lesions were accurately diagnosed. Tumor excision was curative in 43 of 48 patients who were operated on. Most scalp and calvarial neoplasms were benign; only 5/65 children harboured a malignant lesion. There was no mortality related to surgery in the series. Surgical intervention seems to be indicated in most cases, both for diagnosis and for treatment.
The Walker-Warburg syndrome (WWS) is a lethal complex of the central nervous system and the eyes. At present its cause is unknown, but clinical evidence strongly suggests that it is an autosomal-recessively inherited disorder. We report a series of nine children with WWS. The diagnosis was established by the detection of lissencephaly, hydrocephalus, and cerebellar malformation on computed tomography. All children exhibited profound psychomotor retardation and ocular abnormalities (in their anterior or posterior eye chambers). The existence of an occipital encephalocele in eight cases was the main diagnostic clue to WWS. Six patients were investigated for the presence for congenital muscular dystrophy, which was confirmed in only four of them. There were no patients with a cleft lip or palate. We studied the incidence of WWS in Spain and estimated it at 0.21 cases per 10,000 live-born children. In our series, WWS was prevalent in the Spanish gypsy population. Consanguinity was present in five of seven affected families. In a case of pregnancy with twins, one of the siblings was unaffected. Eight patients were treated with ventriculoperitoneal shunts and seven underwent encephalocele repair. Histological study of the excised encephaloceles demonstrated two different patterns. Interestingly, one of the infants showed coronal craniosynostosis. Finally, we include in the appendix, for completeness, a report of the case of the sibling of a WWS patient with acrania-exencephaly.
Malignant rhabdoid tumor (MRT) is a recently described variety of childhood renal neoplasm. MRT arising primarily in the central nervous system (CNS) is still a rather unfamiliar pathological entity and is frequently misdiagnosed as medulloblastoma or primitive neuroectodermal tumor (PNET). We describe a 7-month-old boy who harbored a CNS-MRT that originated within the IV ventricle and invaded the brain stem and the cerebellar hemispheres. After an initial documented good response to chemotherapy the tumor recurred locally 9 months after operation. We discuss clinical and histopathological features distinguishing between PNET/medulloblastoma and MRTs. Current literature on MRT of the CNS is briefly reviewed.
The occurrence of bilateral temporal arachnoid cysts has been considered as a rare event. Unilateral arachnoid pouches have been reported in a few instances associated with neurofibromatosis. The authors describe a 5-year-old girl with bilateral temporal arachnoid cysts who presented obvious stigmata of van Recklinghausen's disease. To the best of our knowledge, this is the first time that this association has been described in the literature.
Epidermoid cysts over the anterior fontanelle were once regarded as rare and exclusive to blacks. The latest reports in the literature indicate a more widespread incidence. Only a few cases have been described in Europe. The authors report three cases of epidermoid cysts in this location occurring in Spaniards. Clinical, radiological, and surgical features are briefly discussed and pertinent literature is reviewed.
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