PMID- 1506851 OWN - NLM STAT- MEDLINE DCOM- 19920923 LR - 20190724 IS - 0022-510X (Print) IS - 0022-510X (Linking) VI - 110 IP - 1-2 DP - 1992 Jul TI - Hereditary motor and sensory neuropathy with deafness, mental retardation and absence of large myelinated fibers. PG - 121-30 AB - Two brothers with a presumably hereditary motor and sensory polyneuropathy (HMSN), sensory-neural hearing loss and mental retardation had clinical features and neuropathological changes in the sural nerve which may set the disorder apart from previously described types of HMSN. Consecutive sural nerve biopsies from one case showed absence of large myelinated fibers and a normal complement of small fibers. We infer from our findings that a developmental abnormality with faulty growth and subsequent axonal atrophy may be responsible. FAU - Mancardi, G L AU - Mancardi GL AD - Institute of Neurology, University of Genova, Italy. FAU - Di Rocco, M AU - Di Rocco M FAU - Schenone, A AU - Schenone A FAU - Veneselli, E AU - Veneselli E FAU - Doria, M AU - Doria M FAU - Abbruzzese, M AU - Abbruzzese M FAU - Tabaton, M AU - Tabaton M FAU - Borrone, C AU - Borrone C LA - eng PT - Case Reports PT - Journal Article PT - Review PL - Netherlands TA - J Neurol Sci JT - Journal of the neurological sciences JID - 0375403 SB - IM MH - Adolescent MH - Child, Preschool MH - Deafness/*pathology/physiopathology MH - Female MH - Hereditary Sensory and Motor Neuropathy/*pathology/physiopathology MH - Humans MH - Intellectual Disability/*pathology/physiopathology MH - Male MH - Microscopy, Electron MH - Nerve Fibers/*ultrastructure MH - Nerve Fibers, Myelinated/*ultrastructure MH - Neural Conduction MH - Pedigree MH - Peripheral Nerves/pathology/physiopathology/ultrastructure MH - Syndrome RF - 47 EDAT- 1992/07/01 00:00 MHDA- 1992/07/01 00:01 CRDT- 1992/07/01 00:00 PHST- 1992/07/01 00:00 [pubmed] PHST- 1992/07/01 00:01 [medline] PHST- 1992/07/01 00:00 [entrez] AID - 0022-510X(92)90018-G [pii] AID - 10.1016/0022-510x(92)90018-g [doi] PST - ppublish SO - J Neurol Sci. 1992 Jul;110(1-2):121-30. doi: 10.1016/0022-510x(92)90018-g.