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Pseudosarcoma of the bladder associated with residual urachus in a 3-year-old girl (2000)

Meyer, S. ; Bruce, J. ; Kelsey, A. ; [et al.]

Springer

Pediatric surgery international 16 (2000), S. 604-606

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ISSN: 1437-9813

Keywords: Key words Pseudosarcoma ; Rhabdomyosarcoma ; Bladder ; Urachus

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Bladder pseudosarcoma or pseudosarcomatous myofibroblastic proliferation (PMP) is a rare but nevertheless very important differential diagnosis of any bladder mass. In childhood most such masses are usually malignant soft-tissue sarcomas, and distinction from these is therapeutically crucial. To date no aetiological factor for PMP has been identified in children, and treatment is limited to surgical intervention with no role for chemotherapy or radiotherapy. We report clinical, anatomical, and histological findings in a 3-year-old girl with a pseudosarcoma of the urinary bladder associated with a residual urachus, suggesting this as the originating tissue.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s003830000352

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Structure and properties of semicrystalline polymers via high-frequency acoustic and x-ray measurements. I. Ferroelectric P(VDF/TrFE) copolymer (1993)

Krüger, J. K. ; Prechtl, M. ; Wittmann, J. C. ; [et al.]

Bognor Regis [u.a.] : Wiley-Blackwell

Journal of Polymer Science Part B: Polymer Physics 31 (1993), S. 505-512

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ISSN: 0887-6266

Keywords: ferroelectric copolymers ; Brillouinspectroscopy ; irradiation ; acoustic properties ; molecular orientation ; Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: Acoustic, opto-acoustic, and x-ray investigations have been performed in order to study the influence of irradiation, electrical poling, and mechanical orientation on the morphology of ferroelectric random copolymers of vinylidene fluoride and trifluorethylene {P[VDF/TrFE] (70/30)}. The influences of these different treatments on the molecular orientation distribution of the amorphous and crystalline phases are discussed, as well as their influences on the crystallinity of the material. The elastic stiffness and the related viscosity tensors of P[VDF/TrFE] (70/30), the elastic stiffness modulus of the amorphous matrix, and the hierarchy of stiffness constants of the crystalline state have been determined. © 1993 John Wiley & Sons, Inc.

Additional Material: 8 Ill.