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Giant ancient schwannoma of the pelvis (2000)

Hide, I. G. ; Baudouin, C. J. ; Murray, S. A. ; [et al.]

Springer

Skeletal radiology 29 (2000), S. 538-542

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ISSN: 1432-2161

Keywords: Key words Ancient neurilemmoma ; Pelvis ; Ultrasound ; CT ; MRI ; Venous obstruction

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract A 43-year-old man with a large ancient schwannoma of the pelvis, presenting with varicose veins, is reported. Ancient schwannoma (neurilemmoma) is a benign tumour of nerve sheath origin characterised histologically by features of severe degeneration and which rarely can grow to a large size. Malignant transformation, though reported, is extremely rare.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s002560000266

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Gap junctions and ACTH sensitivity in Y-1 adrenal tumor cells (1978)

Decker, R. S. ; Donta, S. T. ; Larsen, W. J. ; [et al.]

New York, N.Y. : Wiley-Blackwell

Journal of Supramolecular Structure 9 (1978), S. 497-507

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ISSN: 0091-7419

Keywords: adrenal cortical tumor cells ; ACTH ; gap junctions ; steroidogenesis ; Life Sciences ; Molecular Cell Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Chemistry and Pharmacology , Medicine

Notes: Initial studies of adrenocorticotropin-sensitive (ACTH-sensitive) and ACTH-insensitive Y-1 adrenal cortical tumor cell lines suggest a relationship between responsiveness to ACTH and the presence of gap junctions. An ACTH-sensitive clone of Y-1 cells possesses gap junctions and these junctions appear to enlarge with ACTH treatment. Gap junctions have not been observed, however, in an ACTH-insensitive clone of Y-1 tumor cells even when stimulated to produce cyclic adenosine monophosphate and steroids with cholera toxin.

Additional Material: 6 Ill.