[Illustration: FIG. 89.--Elephantiasis Neuromatosa in a woman aet. 28]
_Elephantiasis neuromatosa_ is the name applied by Virchow to a
condition in which a limb is swollen and misshapen as a result of the
extension of a neuro-fibromatosis to the skin and subcutaneous cellular
tissue of the extremity as a whole (Fig. 89). It usually begins in early
life without apparent cause, and it may be associated with multiple
tumours of the nerve-trunks. The inconvenience caused by the bulk and
weight of the limb may justify its removal.
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