HNPP combined with schwannomas of the median and medial plantar nerves

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Muscle Nerve. 2006 Sep 12

Hereditary neuropathy with liability to pressure palsy combined with

schwannomas of the median and medial plantar nerves.

Heckmann JG, Dutsch M, Buslei R.

Department of Neurology, University Hospital Erlangen, Schwabachanlage

6, D-91054 Erlangen, Germany.

A 42-year-old woman was surgically treated for carpal tunnel syndrome,

revealing schwannoma of the median nerve. A year later, she developed a

tarsal tunnel syndrome. At time of this diagnosis, hereditary

neuropathy with liability to pressure palsies (HNPP) was diagnosed

genetically and a schwannoma of the medial plantar nerve was treated

surgically. The occurrence of HNPP and schwannomas in the same patient

might be purely coincidental, but it is tempting to speculate that they

share a common genetic basis.