Your SlideShare is downloading. ×
Dwarfism
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Dwarfism

2,487
views

Published on

Published in: Education, Health & Medicine

1 Comment
0 Likes
Statistics
Notes
  • Be the first to like this

No Downloads
Views
Total Views
2,487
On Slideshare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
60
Comments
1
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Dwarfism By Lauren Campbell
  • 2. What are the Causes of Dwarfism?
    • There are over 300 causes for dwarfism.
    • The most common cause is a spontaneous mutation of the Fibroblast Growth Factor Receptor 3, FGFR3, on chromosome 4 in the egg or sperm before conception.
    • The reason for the mutation is still unknown and it is not preventable in any way.
  • 3. What are the Types of Dwarfism?
    • The most common type of dwarfism is skeletal dysplasia. There are two types of skeletal dysplasia:
            • Short trunk with average sized limbs
            • Average sized trunk with shorter limbs, larger head with prominent forehead and shortened hands and fingers. This is known as achondroplasia. (70% of dwarfism cases)
    • Diastrophic Dysplasia:
            • clef palate, club feet, ears like cauliflower and shortened forearms and calves
    • Spondyloepiphyseal Dysplasia:
            • Club feet, cleft palate, barrel-chested appearance at birth but shorter trunk may not appear until 5 or 10 years old
    • If it is caused by metabolic or hormonal disorders then arms and legs are all shorter but still proportionate .
  • 4. What are the General Symptoms?
  • 5. How is Living with Dwarfism?
    • People with dwarfism have normal intelligence and can lead healthy, active lives.
    • They go to school, get jobs, live on their own and have their own families.
    • The earlier the condition in diagnosed and treatment begins the better.
  • 6. What are Treatments?
    • With Skeletal Dysplasia, there are many complications that are treatable but cannot be cured:
            • Sometimes the spinal cord of a new born is slightly compressed but if it is caught early it can be surgically fixed.
            • Over time, dwarves develop hip, leg and spine problems that surgery can help.
            • Nutritionists can set up a meal plan to stay healthy and stimulate growth.
            • Physical Therapists can give exercises to stay active without putting stress on bones and joints.
    • If it is a hormonal or metabolic disorder, it can be treated with hormone injections or special diets to spark growth but may not work on all children
  • 7. What is the Likelihood of Dwarfism?
    • Achondroplasia
        • 1 out of every 15,000 to 40,000 babies born of all races and ethnicities
        • Responsible for 70% of diagnosis's
    • Diastrophic Dysplasia
        • 1 in every 100,000 people
    • Spondyloepiphyseal dysplasia
        • 1 in every 95,000 people
  • 8. Who are the Carriers of Dwarfism?
    • Dwarves have one dwarfism gene and on “average” sized gene.
    • Average sized humans do not carry gene but a new mutation can form in the egg or sperm cells. In fact, 4 out of 5 cases are from 2 average sized parents.
    • Dwarves are the only carriers of the already affected gene
  • 9. What is the Likelihood of Dwarfism?
    • A couple of any race and ethnicity can have a child with dwarfism.
    • If two dwarves have children, they each have an affected gene so their child is more likely to be a dwarf. Since the parents still have an “average” sized gene, their child can still be average height
    • Two average size people can still have a dwarf because of a random gene mutation.
  • 10. How is Dwarfism Inherited?
    • The affected gene is dominant over the unaffected gene.
    • If two average sized people have children
          • Dwarfism is not inherited It would be caused by a new mutation in egg or sperm.
          • It is very unlikely that the couple will have more than one child with dwarfism.
    • If two little people have children:
          • 25% chance the child will be average sized.
          • 50% chance the child will be a dwarf.
          • 25% chance the child will get both affected genes. This is called Double Dominant Syndrome and the child will die shortly after birth.
  • 11. Bibliography
    • Kids Health. (1995-2011). Dwarfism. Retrieved from http://kidshealth.org/parent/growth/growth/dwarfism.html . May 10, 2011
    • The March of Dimes. (2011). Achondroplasia . Retrieved from http://www.marchofdimes.com/Baby/birthdefects_achondroplasia.html . May 14, 2011
    • A.D.A.M Inc. (July 26, 2010). Growth Hormone Deficiency- Children. Retrieved from http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002159l . May 15, 2011
    • Little People of America. ( ) . Frequently Asked Questions . Retrieved from http://www.lpaonline.org/mc/page.do?sitePageId=84634&orgId=lpa#Medical . May 15, 2011
    • US National Library of Medicine. (March 23, 2011). Retrieved form http://www.nlm.nih.gov/medlineplus/dwarfism.html#cat1 . May 14, 2011.