1968
DOI: 10.1136/jnnp.31.1.34
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Experimental hypertrophic neuropathy: an electron microscope study.

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Cited by 43 publications
(10 citation statements)
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“…This hypothesis was offered largely on the basis of anatomic location, as there seems to be a propensity for the involvement of nerves having a greater likelihood of compression or other nerve injury. This viewpoint was further supported by experimental evidence showing that the characteristic morphologic findings could be reproduced by nerve damage [8,15,16,25]. It has been suggested that "compartmentalization" may occur as a consequence of a local perineurial defect causing regrowth of axons and subsequent onion bulb formation [15].…”
Section: Discussionsupporting
confidence: 52%
See 1 more Smart Citation
“…This hypothesis was offered largely on the basis of anatomic location, as there seems to be a propensity for the involvement of nerves having a greater likelihood of compression or other nerve injury. This viewpoint was further supported by experimental evidence showing that the characteristic morphologic findings could be reproduced by nerve damage [8,15,16,25]. It has been suggested that "compartmentalization" may occur as a consequence of a local perineurial defect causing regrowth of axons and subsequent onion bulb formation [15].…”
Section: Discussionsupporting
confidence: 52%
“…Later reports revealed them to be a nonspecific finding related to repeated bouts of demyelination-remyelination that may develop in a number of diseases, including Refsum's disease [10], Krabbe's (globoid cell) leukodystrophy [23], chronic inflammatory polyneuropathy [11], and rarely multiple sclerosis [21,22], diabetic neuropathy [1] and neurofibromatosis type 1 [17,19,24]. Onion bulbs may be produced experimentally by repeated tourniquet application [8], disruption of the perineurial barrier [15], lead exposure or other chemical injury [16,25]. Localized lesions forming this pattern were initially thought to be a forme fruste or segmental form of an HMSN [2,7]; however, more recent reports have favored either a localized reactive/traumatic [4,13,15,26] or neoplastic [3,9,17] etiology.…”
Section: Introductionmentioning
confidence: 99%
“…This non-specific change is caused by chronic recurrent demyelination. Also, some contents of endoneurium, including blood vessels, cells and humoural agents derived from blood and perineural cell proliferation, contribute to nerve enlargement5 (table 2). …”
Section: Pathophysiology Of Nerve Enlargementmentioning
confidence: 99%
“…As alterações microcópicas encontradas nos nervos dos pacientes com neurite hipertrófica intersticial consistem na proliferação concêntrica e imbricada de tecido fibroso e células de Schwann, circundando uma fibra nervosa íntegra ou degenerada, com ou sem acúmulo de material mucoso no espaço endoneural, originando a formação de estruturas chamadas "cascas de cebola" (onion bulb) 3 As formações em "casca de cebola" foram produzidas experimentalmente pela injeção de benzetraceno nos nervos 23 , intoxicação por chumbo em ratos 18 e compressões repetidas com torniquetes em nervos de ratos 8 Concluindo, acreditamos que quando a velocidade de condução nervosa estiver bastante diminuída, a possibilidade de encontrarmos alterações do tipo "casca de cebola" é muito grande. No entanto, alterações deste tipo não são específicas de Dejerine-Sottas, mas simplesmente indicam a existência de um processo crônico, com episódios de desmielinização e remielinização repetidos.…”
Section: Comentáriosunclassified