Cases reported "Nevus"

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1/4. A case of unilateral, systematized linear hair follicle nevi associated with epidermal nevus-like lesions.

    Multiple hair follicle nevi are an extremely rare condition. In 1998, a case of unilateral multiple hair follicle nevi, ipsilateral alopecia and ipsilateral leptomeningeal angiomatosis of the brain was first reported from japan. Very recently, hair follicle nevus in a distribution following Blaschko's lines has also been reported. In this paper, we observed a congenital case of unilateral, systematized linear hair follicle nevi associated with congenital, ipsilateral, multiple plaque lesions resembling epidermal nevi but lacking leptomeningeal angiomatosis of the brain. These cases implicate the possibility of a novel neurocutaneous syndrome. Additional cases should be sought in order to determine whether this condition is pathophysiologically distinct.
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ranking = 1
keywords = angiomatosis
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2/4. Left-sided facial nevus with contralateral leptomeningeal angiomatosis in a child with sturge-weber syndrome: case report.

    sturge-weber syndrome is characterized by a facial vascular nevus associated with an ipsilateral leptomeningeal angioma. Variants of this classical presentation have been described in the literature, some of which have prognostic significance. We report a magnetic resonance imaging (MRI)-confirmed variant of a leptomeningeal angioma contralateral to the facial nevus. We describe one patient with sturge-weber syndrome who presented with a left-sided facial nevus, left eye glaucoma, episodes of left-sided weakness, and right-sided leptomeningeal angiomatosis by gadolinium-enhanced brain MRI. The literature regarding variants of sturge-weber syndrome and their prognosis is reviewed. The prognosis for this variant is likely similar to sturge-weber syndrome with an ipsilateral leptomeningeal angioma.
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ranking = 2.5
keywords = angiomatosis
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3/4. Hereditary neurocutaneous angiomatosis. Report of four cases.

    The authors report the coexistence of vascular nevi (hemangiomas and arteriovenous malformations (AVMs) of the skin) with AVMs and venous malformations of the brain in male siblings from two related but nonconsanguineous families of three generations. The proband, his siblings, parents, aunts, uncles, and cousins were examined, underwent magnetic resonance (MR) imaging and MR angiography, and when appropriate, cerebral angiography. A father had vascular nevi and a mother, his sister, had an azygos anterior cerebral artery. No other cutaneous or cerebrovascular malformations were present in the parents. Each of the two families had two boys and one girl, 9 to 18 years of age. All the children had vascular nevi and all of the boys had coexisting cerebrovascular malformations: AVMs in three, and a venous malformation in another. One boy had three cerebral AVMs. Two boys had a cerebral hemorrhage, and one also had focal motor seizures. The skin lesions were not those of the Sturge-Weber-Dimitri, Rendu-Osler-Weber, or Wybum-Mason syndromes. The association of cutaneous and cerebrovascular malformations was seen only in males in these families. but females have also been reported in the literature. The results obtained in these families and three other families reported from Western and Central europe indicate that the association of cerebral and cutaneous vascular hamartomas constitutes a distinct, hereditary clinicopathological entity with autosomal dominant inheritance and variable penetrance. The clinical manifestations of this syndrome are visible, painful vascular nevi, epilepsy, cerebral hemorrhage, and focal neurological deficits. The preponderance of male patients with the full expression of the syndrome suggests a possible hormonal influence on the expression of the gene.
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ranking = 2
keywords = angiomatosis
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4/4. Leptomeningeal angiomatosis accompanied by hair follicle nevus.

    A 5-day-old male infant with leptomeningeal angiomatosis accompanied by hair follicle nevus and congenital alopecia is reported. Admitted for frequent left hemiconvulsions, he had three small papular lesions around his right eye and ipsilateral alopecia from the frontal to parietal areas. Histopathological examination of the papular lesions revealed crowding of hair follicles. There were no other skin lesions and no ophthalmic abnormalities. Ictal EEG showed a theta burst in the right parietal area. Computed tomography of the brain revealed cerebral atrophy and a slightly high intensity lesion in the right parietal and occipital lobes with calcification. Gyriform enhancement was demonstrated by contrast MRI in these areas. The pathogenesis is discussed. This case may represent a previously unknown neurocutaneous syndrome.
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ranking = 2.5
keywords = angiomatosis
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