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About Chiari Malformation / Syringomyelia


We have recently created this group in response to an increase in DogHeirs members affected by Chiari Malformation and Syringomyelia. As we continue to develop our research articles and media, we invite members to join this group and contribute to our materials by submitting photos, videos and information on CM and SM and tagging your materials with the "Chiari Malformation and Syringomyelia" tag.

Chiari Malformation (CM), Caudal Occipital Malformation Syndrome (COMS), Syringomyelia (SM)

Syringomyelia (sear-IN-go-my-EEL-ya) is a disorder in which a cyst forms within the spinal cord. This cyst, called a syrinx, expands and elongates over time, destroying the center of the spinal cord. This damage results in headaches, loss of hot/cold sensitivity, pain, weakness, and stiffness in the back, shoulders, arms, or legs. In most cases, the disorder is related to a congenital abnormality of the brain called a Chiari I malformation. This malformation causes the lower part of the cerebellum to protrude from its normal location in the back of the head into the cervical or neck portion of the spinal canal.

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Newest Articles

Ebbi Update SM Symptoms

Hi all!   It has been a relatively quiet one since Ebbis last episode. Thankfully!   Recently she has shown some weakness in her left back paw, which she constantly licks. This month I am taking her to get an MRI and blood work, so I will find out more info on what is going on internally. As far as pain, she is not showing any signs of pain around her hind legs it is...
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Great Dane walks again after paralyzing disease

Grady the Great Dane began to display problems with mobility until he eventually lost the ability to walk or stand. When X-rays ruled out the possibility that Grady had Wobblers Syndrome, he underwent further tests that determined his condition to be much more serious. Grady had Syringomyelia. Syringomyelia (SM) is a rare disorder that causes a cyst or tumor to form in the spinal cord. This cyst, called a syrinx, gets bigger and longer over...
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Ebbi Update

Hi guys!   Ebbi had another seizure on Monday evening. It was not good, so it was straight to the vet. She got the most thorough physical I've ever seen her get. Including a full going over of her head, heart and all joints etc Luckily, my lil munchkin has a perfect heart (vet gasped at that) perfect joints and lovely remaining teeth (PHEW)... However, her brain was "swollen"(no kidding, right?), which contributed to the...
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My heart is very heavy and sad; my boy went to doggy Heaven Oct. 6, 2011. Kingsley battled with syringomyelia for 2 ½ years. He had eight cysts on his spinal cord; one was the size of a quarter that rested on the back of his neck. Both knees - Patellar luxation The night before I made the decision to send Kingsley to doggy heaven, he laid his head on my shoulder and looked at...
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Ebbi (AND SADIE) Upadate from Ireland :)

Hi! SO!!! It has been a hectic 11 weeks since I've been home.   Also can't believe it has been that long?   But anyways, I have some dazzling good news that I wanted to share with my DogHeirs family :) Ebbi, my wee king charles, has NOT gotten any worse in terms of her SM....   She had EAR MITES!!! I know, I know, it is still not a good thing for a dog...
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Recently Asked Questions

Thinking of buying a puppy? What level of risk are you willing to accept?

In light of a recent research report that showed the chances of getting a puppy with a serious, life threatening disease, we were curious to know: How much risk are you willing to take if you know the odds of buying a puppy with a serious genetic disorder? The report we are referring to was produced in an effort to reduce the incidence of Cavalier King Charles Spaniels affected with symptoms of syringomyelia, life threatening,...
Poll What level of risk are you willing to accept when buying a puppy? Vote now!
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Chiari Malformation and Syringomyelia Diagnosis Lag Time

Dr. Clare Rusbridge has reported that a considerable amount of time typically passes between the first onset of symptoms and a confirmed diagnosis is made of syringomyelia-affected dogs (an average of 1.6 years). During this period, irreversible nervous system damage can occur due to the progressive nature of the disease. We hope to understand why the lag between owner recognition and veterinary diagnosis exists, with the aim of identifying ways to reduce this time span...
Poll If your dog was diagnosed with Chiari Malformation and/or Syringomyelia, what was your biggest challenge in getting help for your CM/SM affected dog? Vote now!
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My dog is loosing urine while sleeping, she is being treated for syringo with prednisone 10 mg for day and furosemide 20 mg  twice a day and omeprazol 10 mg twice a day, she got better from the weakness but she is loosing to much urine, she has no control over it... I would like to know if it's a syntom of syringo, and if it is indicative of cirurgical treatment or if it's possible to treat...
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Chairi Malformation and Syringomeylia

Hi, I live in the Netherlands and over here there is a big discussion going on about a breedingstop. There are 2 organisations that want a breedingstop for the Cavalier King Charles Spaniel. Because they say that 98% worldwide the cavalier has CM and Syringomeylia. Now I'm against a breedingstop because, you gonna push the cavalier in a black breeding circuit. Where there is no controle over. I'm for a very strickt breedingproces, were is MRIscan a...
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Group comments

Hi All, I have just joined here and would love to share my experience with SM and COMS with my little girl Anouk. She has had SM, COMS for about 1.5 years but only diagnosed January 2011.

here are a few interesting links on the subject:














http://www.conquerchiari.org/subs%20only/volume%202/Issue%202%286%29/New%20Syrinx%20Theory%202%286%29.asp (humans)

I suggest downloading the symposiums PDF files. They have interesting information. For example, apparently 100% of Cavaliers are affected though some are asymptomatic. This seems to have been caused by breeding those dogs that did not have mitral valve heart disease. Also, these dogs have the brain the size of Labradors in a toy dog skull!

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Chiari Malformation / Syringomyelia


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DogHeirs Team

Here to help. All the latest at DogHeirs here. Send...

Jane Guy

I am a retired High School Math Teacher, Inusurance Broker...


Dog-lover allergic to dogs.




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