Hirayama disease received a peer review by Wikipedia editors, which is now archived. It may contain ideas you can use to improve this article. |
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The following is unsourced and was moved here per WP:PRESERVE. Per WP:BURDEN please do not restore without finding independent, reliable sources, checking the content against them, and citing them, and ensuring that this content has appropriate WP:WEIGHT in the article overall.
EMG tests reveal loss of the nerve supply, or denervation, in the affected limb without conduction block (nerve blockage restricted to a small segment of the nerve). Increased
sweating, coldness and
cyanosis have been reported for a few patients, indicating involvement of the
sympathetic nervous system.While MMA will cause weakness and/or wasting in only one limb,
EMG and
NCV tests often show signs of
reinnervation in the unaffected limbs.
citation needed
Patient feels contracture of middle and ring finger. Slight thinning of the subdigital Palm of the affected fingers. Initial pain and weakness subside with preliminary treatment with antiinflammatories, and B-complex vitamins. Initial loss of function improves almost fully. dubious – discuss
The disability originates with impaired functioning of the anterior horn cells of the lower cervical cord (lower neck), but the cause of the decline is still considered unknown. Researchers, including Hirayama, believe that in many cases damage in the cervical cord is due to compression of cervical disks. Some research has tried to establish a link between DTP (diphtheria-tetnus-pertussis) vaccines and MMA but has not found a strongly credible relationship. A familial link has been found in a minor percentage of cases, including parent-child and sibling-sibling (including once with identical twins).
The symptoms of MMA usually progress slowly for one to two years before reaching a plateau, and then remain stable for many years. Disability is generally slight. Rarely, the weakness progresses to the opposite limb. There is also a slowly progressive variant of MMA known as O'Sullivan-McLeod syndrome, which only affects the small muscles of the hand and forearm and has a slowly progressive course.
MMA mostly occurs in males between the ages of 15 and 25. Onset and progression are slow. MMA is seen most frequently in Asia, particularly in Japan and India; it is much less common in North America.
{[reflist-talk}}
-- Jytdog ( talk) 22:09, 7 May 2018 (UTC)
Someone deleted this word with edit summary: "deleted unclear term "focal")" . Ignorance is not the reason for deletion of terms in topics you have no idea. In fact, the term "focal" has pretty much clear meaning in medicine, although, as a non-expert I had some troubles with figuring it out. Therefore I wikilinked it in this weird way.
Staszek Lem (
talk)
20:34, 16 May 2018 (UTC)
Thank you User:Staszek Lem for your concern -
In a review of literature on MMA, only a limited number of researchers describe the disease as a "focal" neuron disease. My deletion of the term was an expedient because I have yet to see the term well-defined as I plow through dozens of useful and not so useful documents, in anticipation of a thorough revision. I'd propose that ultimately the lede language be simple and brief and the more technical descriptions go into the body of the text. At this point I am not attached to minor points of wording, given the many other deficits of the article. I agree that ultimately it should be defined /explained somewhere in the text.
"Focal" probably means that the disease / disorder is focused in a small part of the nervous system, rather than expressed diffusely. It is confined (in MMA) to the nerve chord in vertebrae C7 through T1 and does not extend beyond this. Only one upper limb is typically involved (and the right limb far more often than left!). It may be adolescent mis-alignment in the growth of the neck, as the dura seems to bulge and compress the chord. If caught early the diseases progress can frequently be slowed -- though not reversed -- through use of a cervical collar.
If you want to see my present in-process MMA project (w/o some key refs and some stuff still wrong, etc.), you can visit my sandbox: User:GeeBee60/sandbox
Gratitude, GeeBee60 ( talk) 22:03, 16 May 2018 (UTC)
I have been working on a total revision of MMA in my sandbox and have submitted it for review. The message is that this review could take two months, which may not be needed if folk want to look at it here: [The submission was immediately rejected because it was not new, but a revision. Instead I need to request history merge and (separately, optional) a peer review.]
The revision waiting review is here: revised Monomelic amyotrophy.
[A link for the review comments is now here: Wikipedia:Peer_review/Monomelic_amyotrophy/archive1 ]
The article is about 24,000 bytes [20,000 bytes], almost 3 times [2½ times] longer than the current article of 8500 bytes. References have been increased from 6 to 22 [21] (and yes I have read them ... and more). I am sure there are some errors but my head is maxed out right now. Note that I have used a few case studies because of the quality of their discussion and the research they contain. I can share papers that on-line are only abstracts but am not publishing any that I had to obtain from a library etc.
GeeBee60 ( talk) 02:57, 25 May 2018 (UTC)
Several "Citations needed" have added, with mixed justification. This is a challenging disease description filled with "usually" "commonly" "79% of individuals" "three to five years after onset" etc. in the literature. Diagnostically folk are getting pretty good at sorting out MMA from more other MND, though one diagnostic tool -- long term survival -- is not particularly helpful. And there is barely a whisper as to why this is so disproportionately found in Asia. Far more discussed is whether or not the name "Monomelic amyotrophy" is the correct name, as there are a high percentage of cases where "monomelic" is misleading or inaccurate.
My rant (whine) is that the WP directive of "no original research" is in truth a bunch of pasture chips. While I didn't interview, tweak, or needle any patients, I have attempted to comprehensively interpret dozens of documents, and that borders on original research -- and a task presently a bit beyond my reach. I am confident of my interpretation of the literature, but not my ability to simultaneously keep track of what I read where. I wish I had the resources -- and space and time -- to have hard copies of each of these twenty plus citations -- along with a collegial setting like the dozens of variant CSI television dramas with giant bulletin boards and eager smart interns.
OK, enough of this. Please dive in here with suggestions.
Hirayama disease received a peer review by Wikipedia editors, which is now archived. It may contain ideas you can use to improve this article. |
This article is rated Start-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||
|
Ideal sources for Wikipedia's health content are defined in the guideline
Wikipedia:Identifying reliable sources (medicine) and are typically
review articles. Here are links to possibly useful sources of information about Hirayama disease.
|
|
|
The following is unsourced and was moved here per WP:PRESERVE. Per WP:BURDEN please do not restore without finding independent, reliable sources, checking the content against them, and citing them, and ensuring that this content has appropriate WP:WEIGHT in the article overall.
EMG tests reveal loss of the nerve supply, or denervation, in the affected limb without conduction block (nerve blockage restricted to a small segment of the nerve). Increased
sweating, coldness and
cyanosis have been reported for a few patients, indicating involvement of the
sympathetic nervous system.While MMA will cause weakness and/or wasting in only one limb,
EMG and
NCV tests often show signs of
reinnervation in the unaffected limbs.
citation needed
Patient feels contracture of middle and ring finger. Slight thinning of the subdigital Palm of the affected fingers. Initial pain and weakness subside with preliminary treatment with antiinflammatories, and B-complex vitamins. Initial loss of function improves almost fully. dubious – discuss
The disability originates with impaired functioning of the anterior horn cells of the lower cervical cord (lower neck), but the cause of the decline is still considered unknown. Researchers, including Hirayama, believe that in many cases damage in the cervical cord is due to compression of cervical disks. Some research has tried to establish a link between DTP (diphtheria-tetnus-pertussis) vaccines and MMA but has not found a strongly credible relationship. A familial link has been found in a minor percentage of cases, including parent-child and sibling-sibling (including once with identical twins).
The symptoms of MMA usually progress slowly for one to two years before reaching a plateau, and then remain stable for many years. Disability is generally slight. Rarely, the weakness progresses to the opposite limb. There is also a slowly progressive variant of MMA known as O'Sullivan-McLeod syndrome, which only affects the small muscles of the hand and forearm and has a slowly progressive course.
MMA mostly occurs in males between the ages of 15 and 25. Onset and progression are slow. MMA is seen most frequently in Asia, particularly in Japan and India; it is much less common in North America.
{[reflist-talk}}
-- Jytdog ( talk) 22:09, 7 May 2018 (UTC)
Someone deleted this word with edit summary: "deleted unclear term "focal")" . Ignorance is not the reason for deletion of terms in topics you have no idea. In fact, the term "focal" has pretty much clear meaning in medicine, although, as a non-expert I had some troubles with figuring it out. Therefore I wikilinked it in this weird way.
Staszek Lem (
talk)
20:34, 16 May 2018 (UTC)
Thank you User:Staszek Lem for your concern -
In a review of literature on MMA, only a limited number of researchers describe the disease as a "focal" neuron disease. My deletion of the term was an expedient because I have yet to see the term well-defined as I plow through dozens of useful and not so useful documents, in anticipation of a thorough revision. I'd propose that ultimately the lede language be simple and brief and the more technical descriptions go into the body of the text. At this point I am not attached to minor points of wording, given the many other deficits of the article. I agree that ultimately it should be defined /explained somewhere in the text.
"Focal" probably means that the disease / disorder is focused in a small part of the nervous system, rather than expressed diffusely. It is confined (in MMA) to the nerve chord in vertebrae C7 through T1 and does not extend beyond this. Only one upper limb is typically involved (and the right limb far more often than left!). It may be adolescent mis-alignment in the growth of the neck, as the dura seems to bulge and compress the chord. If caught early the diseases progress can frequently be slowed -- though not reversed -- through use of a cervical collar.
If you want to see my present in-process MMA project (w/o some key refs and some stuff still wrong, etc.), you can visit my sandbox: User:GeeBee60/sandbox
Gratitude, GeeBee60 ( talk) 22:03, 16 May 2018 (UTC)
I have been working on a total revision of MMA in my sandbox and have submitted it for review. The message is that this review could take two months, which may not be needed if folk want to look at it here: [The submission was immediately rejected because it was not new, but a revision. Instead I need to request history merge and (separately, optional) a peer review.]
The revision waiting review is here: revised Monomelic amyotrophy.
[A link for the review comments is now here: Wikipedia:Peer_review/Monomelic_amyotrophy/archive1 ]
The article is about 24,000 bytes [20,000 bytes], almost 3 times [2½ times] longer than the current article of 8500 bytes. References have been increased from 6 to 22 [21] (and yes I have read them ... and more). I am sure there are some errors but my head is maxed out right now. Note that I have used a few case studies because of the quality of their discussion and the research they contain. I can share papers that on-line are only abstracts but am not publishing any that I had to obtain from a library etc.
GeeBee60 ( talk) 02:57, 25 May 2018 (UTC)
Several "Citations needed" have added, with mixed justification. This is a challenging disease description filled with "usually" "commonly" "79% of individuals" "three to five years after onset" etc. in the literature. Diagnostically folk are getting pretty good at sorting out MMA from more other MND, though one diagnostic tool -- long term survival -- is not particularly helpful. And there is barely a whisper as to why this is so disproportionately found in Asia. Far more discussed is whether or not the name "Monomelic amyotrophy" is the correct name, as there are a high percentage of cases where "monomelic" is misleading or inaccurate.
My rant (whine) is that the WP directive of "no original research" is in truth a bunch of pasture chips. While I didn't interview, tweak, or needle any patients, I have attempted to comprehensively interpret dozens of documents, and that borders on original research -- and a task presently a bit beyond my reach. I am confident of my interpretation of the literature, but not my ability to simultaneously keep track of what I read where. I wish I had the resources -- and space and time -- to have hard copies of each of these twenty plus citations -- along with a collegial setting like the dozens of variant CSI television dramas with giant bulletin boards and eager smart interns.
OK, enough of this. Please dive in here with suggestions.