Rickets can it show as a chromosome deletion 15q.11.2

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My granddaughters was diagnosed with this chromosome disorder yet had 14 fractures within the first three months of her life, I think they may have missed this diagnoses or Rickets as the only blood test she had done at 1 month showed lack of vitamin D. Abuse was not he cause of these fractures and looking at the symptons she matches them completly she failed to thrive she was tube fed, if she took too much formula she would vomit it back up. Four of the fractures were behind each knee and at each ankle a common site I found upong reading up on Rickets. Is it possible that this deletion could be the new name for Rickets. Or maybe she had Rickets besides the deletion. Has anyone else experienced this and is there a doctor attached to this site that can answer these questions for me.   Thank you

 

0 likes, 11 replies

11 Replies

  • Posted

    Hi Dorothy, 

    I do not think that the rickets and chromosome deletion are linked. A chromosomal deletion can be related to a spontaneous mutation in DNA or aberrant replication of DNA, whereas rickets is due to the deficiency of vitamin D, it is not genetic. I think these are completely separate but it I think you could be right that she does have rickets, especially as her blood test came up with low vitamin D. .. why was the diagnosis of the chromosome deletion made if you don't mind my asking? 

    • Posted

      The DNA test was done as they first thought she had Osteo Genesis Imperfecta, and when that was not the case she was removed as they never done any other testing and they called it abuse, and we knew it wasnt.

       

    • Posted

      Ah I see now. Because this condition has a strong genetic link and they suspected it, they did the DNA test but instead it showed up the microdeletion 15q11.2 which is an entirely different disorder. 

      They should have followed up on looking up the cause of the fractures though, especially with the low vitamin D. I would think that the fact she was vomitting her formula led to malabsorption of vit. D, causing the deficiency, leading to rickets. Or perhaps she is deficient in an enzyme or coenzyme involved in the metabolism of vitamin D. That would mean, she was getting in enough vitamin D but that her body was not getting the nutrients as it couldn't break it down into what it needed.

      I just looked it up there, rickets does actually have a genetic link but it is rare. It is autosomal recessive which would mean neither or her parents need have symptoms but she could still get the condition (1 in 4 chance). I do not know if they looked for the genes linked to genetic rickets in the DNA test, but even if she did not have the genotype for rickets, she could still have it due to malabsorption caused by the vomitting. 

      Just because she doesn't have Osteogenesis Imperfecta, does not mean there was not some other cause for her fractures. I think it is awful that they blamed it on abuse and actually, quite incompetent of them. If I were you/her parents, I would go back and mention rickets. Or even get a second opinion elsewhere? Did they know about the vomitting? 

      Meanwhile, the 15q11.2 condition should be treated separately and you should find out how she will need to be treated for that. As far as I can imagine the phenotype (i.e. the physical traits of the condition) would vary from individual to individual depending on big the deletion is. In fact, I have read just now that the microdeletion can be silent in some cases meaning she would be asymptomatic which is good news smile But you should still find out as much as you can about it and monitor her situation re. learning etc. 

      Hope this has helped, 

      anonymousgirl x

    • Posted

      It is indeed a mess as we know it wasnt abuse and my daughter her mother was so devoted to her, she has the closest bond she ever had with any of her children, (the other two are by a different father), it is going to be a uphill battle as over here in they dont even take the deletion seriously, but she does already had deformity of the bone in her leg as in curves in really badly to the point she sometimes trips herself over. I fought like hell with them when this all started but we had not right and no chance to even put our side or evidence across at the time. My granddaughter was under our local GP for 6 six weeks to try and work out what the feeding problem was, my daughter even kept a diary to show what they had tried, our GP wrote a letter of support as she never had noticed not one sign of abuse but that was not even used either. Its going to be a hard battle but will fight yet again. I look at the symptons of Rickets and she has each and every one of them, it is truly incredible. Thank you for your help

    • Posted

      You are welcome Dorothy. That's the spirit. Your granddaughter is lucky to have such a proactive grandmother who cares about her so much. 

      anonymousgirl

  • Posted

    Just to let you know, I linked you some papers I had a quick look at while replying to your question in a private mesage as you are not allowed put links to other websites in the public discussions. 

    anonymousgirl

    • Posted

      You're welcome, I am glad to help smile

      Best of luck with everything and let us know if there are any developments (if you want to), 

      anonymousgirl 

       

  • Posted

    Sorry, I can't help, I just wanted to show my sympathy for your poor granddaughter. I hope you find answers soon.
  • Posted

    I thank you all for your answers and concern I will update you when I find out anything, I have planned how i am going to handle it and it may take some time. I did indeed get to see my little grand daughter last night and could not help thinking about the deformed bones in her leg but could not say anything until I have absolute proof, it is going to break this family up once again as it did when it all happened but it has to be made known for the little ones sake. Thank you

     

    • Posted

      Dear Dorothy, 

      I have been looking through some of my old discussions and I came across this. .. you probably won't even see it. . . but I just wanted to say that I hope your granddaughter  .. . and you. . .are doing alright. 

      My best wishes, 

      Agirl xx

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