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  • 1
    Electronic Resource
    Electronic Resource
    Atrophic dermatofibroma. Elastophagocytosis by the tumor cells (2000)
    Copenhagen : Munksgaard International Publishers
    Journal of cutaneous pathology 27 (2000), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 55-year-old woman presented with an asymptomatic red plaque on the left upper back for 6 or 7 years. The lesion was depressed in response to finger pressure. The clinical diagnosis was anetoderma. Histopathologically, the characteristic cells of cellular dermatofibroma proliferated within the thinned dermis, which showed atrophy of about 60 or 70%. The proliferated cells were positive for factor XIIIa and negative for CD34. The involved dermis showed the loss of elastic fibers on elastica van Gieson stain. Electron microscopically, the proliferating cells phagocytized the elastic fibers. We report a typical case of atrophic dermatofibroma and show the possibility that the cause of this disease might be elastophagocytosis between the collagen fibers by the dermatofibroma cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0560.2000.027006312.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Volar melanotic macules in a Japanese man with histopathological postinflammatory pigmentation: the volar counterpart of mucosal melanotic macules (2001)
    Copenhagen : Munksgaard International Publishers
    Journal of cutaneous pathology 28 (2001), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: Volar melanotic macules are asymptomatic light-brown or tannish-grey macules usually found on the palms and/or soles of blacks, although they have also been reported on the volar surfaces of whites. Similar lesions have not been reported before in Japanese people. Since the cause is as yet unknown, it remains to be discussed whether they are a distinct entity.Methods: In this report, a 52-year-old Japanese man with volar melanotic macules is reported with the clinical and histopathological findings.Results: A 52-year-old Japanese man presented with many light-brown macules on his bilateral soles. He had a 20-year history of tinea pedis. Histopathological examination revealed melanophages and inflammatory infiltrates in the superficial dermis. There was a slight increase in melanin granules around the acrosyringium. Fontana-Masson stain revealed a slight increase in melanin granules in the basal layer including the acrosyringium and superficial dermis. These changes corresponded with postinflammatory pigmentation.Conclusions: This is the first report of volar melanotic macules in Japanese people. We suggest that volar melanotic macules is not an independent entity but a clinicopathological one that includes postinflammatory pigmentation, and that the condition is the volar counterpart of mucosal melanotic macules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0560.2001.028006303.x
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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