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  • 1
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Two adult cases of a cutaneous lesion indistinguishable from typical infantile digital fibromatosis are added to the unique similar case so far reported in adulthood. The immunocytochemical localization of vimentin and muscle actin in the proliferating cells confirms their myofibroblastic nature and establishes closer relationships between the adult and the infantile variants of this entity. These two variants, however, appear to be clinically different, since all the adult cases were extradigital and did not recur after surgical excision. The term inclusion body fibromatosis underlines the histological hallmark of the lesion and should be used to identify this entity in place of recurrent infantile digital fibromatosis which does not seem any longer appropriate.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2307
    Keywords: Rhabdoid tumour ; Central nervous system ; Immunocytochemistry ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three cases of rhabdoid tumour of the central nervous system arising in a supratentorial location are reported. The patients were 18, 14, and 7 years old. All three tumours showed a common morphology. The neoplastic cells were usually globoid with round nuclei and prominent nucleoli and large acidophilic, cytoplasmic inclusions were present in many of them. These inclusions showed strong immunoreactivity for vimentin, weak immunoreactivity for epithelial membrane antigen and focal immunoreactivity for cytokeratins. Ultrastructurally they were made up of whorls of intermediate filaments, 8–10 nm in thickness. Rhabdoid tumours of the central nervous system, whatever the cell of origin, appear to be an independent entity with identifiable histology and aggressive behaviour.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1590-3478
    Keywords: Familial cavernous angioma ; Nuclear magnetic resonance ; Stereotactic biopsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Sono stati studiati tre membri di una famiglia con angiomi cavernosi intracerebrali multipli. Viene ipotizzata un'ereditarietà autosomica dominante. Il probando soffriva di cefalea e all'esame obiettivo era evidente un'emiparesi destra. Il secondo caso era esordito con un ictus cerebrale emorragico mentre il terzo caso si presentava all'osservazione neurologica asintomatico. La risonanza magnetica nucleare (RMN) eseguita in due dei tre casi, ha mostrato lesioni che, per la molteplicità e l'estensione, non avevano le caratteristiche radiologiche degli angiomi cavernosi. La biopsia cerebrale nel probando ha permesso la definizione diagnostica. L'inquadramento nosologico delle forme familiari, anche se facilitato negli ultimi anni dall'introduzione della RMN, può essere difficoltoso quando le lesioni radiologiche sono atipiche. In questi casi la biopsia cerebrale costituisce non solo un valido aiuto per la diagnosi, ma si rende indispensabile per fornire un'adeguata informazione genetica.
    Notes: Abstract Three members of the same family were studied, all of whom had multiple intracerebral cavernous angiomas for which a dominant autosomal inheritance was hypothesised. The proband suffered from headaches, and physical examination revealed evident right hemiparesis. The second case started with a hemorrhagic cerebral stroke and the third was asymptomatic on neurological examination. Nuclear magnetic resonance (NMR), performed in two of the three cases, showed lesions whose number and extent were not radiologically characteristic of cavernous angioma. A cerebral biopsy of the proband enabled the diagnosis to be made. Despite the recent introduction of NMR, the nosological classification of familial forms can be difficult when the radiological lesions are atypical. In such cases, cerebral biopsy is not only a valid diagnostic aid, but is also indispensable for obtaining adequate genetic information.
    Type of Medium: Electronic Resource
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