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Acta Neuropathologica

, Volume 84, Issue 4, pp 364–371 | Cite as

Morphometric study of the sensory neuron and peripheral nerve changes induced by chronic cisplatin (DDP) administration in rats

  • G. Cavaletti
  • G. Tredici
  • P. Marmiroli
  • M. G. Petruccioli
  • I. Barajon
  • D. Fabbrica
Regular Papers

Summary

We performed a morphological, morphometric and toxicological study on the spinal ganglia and peripheral nerves of the rat after chronic administration of cisplatin (cis-dichlorodiammineplatinum II; DDP) with two different schedules. Severe damage of the spinal ganglia neurons was demonstrated with predominant involvement of the nucleus and nucleolus associated with a decrease in the cell size. Morphological and morphometric changes also occurred in the sciatic and peroneal nerves with the features of axonopathy. All these changes were more marked in the group of rats which underwent the most intense DDP treatment and the tissue platinum concentrations were also higher in this group. This experimental model is the first available for chronic DDP administration in which concomitant spinal ganglia and peripheral nerve damage has been confirmed pathologically. Our study supports the hypothesis that DDP-induced peripheral nerve fiber degeneration may result from nuclear and nucleolar changes in the sensory ganglion cell perikaryon.

Key words

Cisplatin Spinal ganglia Peripheral neuropathy Rat 

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • G. Cavaletti
    • 1
  • G. Tredici
    • 2
  • P. Marmiroli
    • 2
  • M. G. Petruccioli
    • 2
  • I. Barajon
    • 2
  • D. Fabbrica
    • 2
  1. 1.Department of NeurologyMonza
  2. 2.Institute of Human AnatomyUniversity of MilanMilanItaly

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