Microgenia

Microgenia is the medical term for an unusually small or deformed chin.^[1]

The contrasting condition, an enlarged chin, is called "macrogenia".^[2][3][4]

Causes

Can occur in anyone, but often a sign of Down's syndrome^[5][6][7].

References

1. ^ "microchinia - Definition from Merriam Webster's Medical Dictionary". http://www.merriam-webster.com/medical/microchinia. Retrieved 2009-07-22. 
2. ^ Hohl TH, Epker BN (May 1976). "Macrogenia: a study of treatment results, with surgical recommendations". Oral Surg. Oral Med. Oral Pathol. 41 (5): 545–67. PMID 1063958. 
3. ^ Guyuron B, Michelow BJ, Willis L (1995). "Practical classification of chin deformities". Aesthetic Plast Surg 19 (3): 257–64. PMID 7668174. 
4. ^ Zide BM, Warren SM, Spector JA (August 2007). "Chin surgery IV: the large chin--key parameters for successful chin reduction". Plast. Reconstr. Surg. 120 (2): 530–7. doi:10.1097/01.prs.0000267636.25672.81. PMID 17632360. 
5. ^ This discussion by Myron Belfer, M.D., book by Gottfried Lemperie, M.D., and Dorin Radu, M.D. (1980). "Facial Plastic Surgery in Children with Down's Syndrome (preview page, with link to full content on plasreconsurg.com)". p. page 343. http://scholar.google.com/scholar?q=info:Nt6asksVAiYJ:scholar.google.com/&hl=en&output=viewport. Retrieved 2009-07-22. 
6. ^ Warren E. Morgan, M.D. (1992-05-28). "Macroglossia". http://www.bcm.edu/oto/grand/52892.html. Retrieved 2009-07-22. ^{[dead link]} Microchinia mentioned among other characteristics of Down's Syndrome about halfway down the page.
7. ^ Meira Weiss. "Conditional love: parents' attitudes toward handicapped children". p. page 94. http://books.google.com/books?id=a62J5GPHd3cC&pg=PA94&lpg=PA94&dq=%22down%27s+syndrome%22+chin+face&source=bl&ots=hVCgwMgpKi&sig=dZ3TYZnWjWMEnTioJY9WQcLP_4E&hl=en&ei=0Q9nSsegJYOZjAe6ypmmAQ&sa=X&oi=book_result&ct=result&resnum=5. Retrieved 2009-07-22.