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Malignant epithelioid schwannoma of superficial soft tissue? A case report with immunohistology and electron microscopy (1985)

MORGAN, K. G. ; GRAY, C.

Oxford, UK : Blackwell Publishing Ltd

Histopathology 9 (1985), S. 0

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ISSN: 1365-2559

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: Malignant epithelioid schwannoma is a well-defined entity. However epithelioid tumours arising other than in a nerve trunk, in a benign nerve sheath tumour or in neurofibromatosis are problematical. We describe a case of a nodular tumour of the cheek which recurred twice without metastasis. Light microscopy showed an amelanotic epithelioid tumour. Immunohistology showed positive staining for vimentin and S100 protein and electron microscopy showed distinctive appearances suggestive of schwannoma. We discuss the differential diagnosis of the tumour, compare it with reported tumours resembling both melanoma and schwannoma and conclude that this may be a further example of the distinctive tumour reported as ‘malignant epithelioid schwannoma of superficial soft tissues’.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-2559.1985.tb02862.x

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Pentobarbital: Presynaptic effect in the squid giant synapse (1977)

Morgan, K. G. ; Bryant, S. H.

Springer

Cellular and molecular life sciences 33 (1977), S. 487-488

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ISSN: 1420-9071

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Summary In concentrations that produced synaptic blockade in the squid giant synapse, sodium pentobarbital produced a dose-related, reversible decrease of the ‘calcium spike’ of the presynaptic terminal.