{{Infobox medical condition | name = | synonyms = Friedreich's disease | image = Mackay 1.jpg | image_size = 180px | alt = | caption = Left-side HFH in a 10-year-old girl | pronounce = | field = | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }} thumb|This condition is inherited in an autosomal dominant manner.<ref>{{cite web|title=OMIM Entry - 133900 - HEMIFACIAL HYPERPLASIA|url=https://omim.org/entry/133900|website=omim.org|access-date=20 July 2017|language=en-us}}</ref> '''Hemifacial hypertrophy''' (also termed '''facial hemihypertrophy''',<ref name=Rajendran2014 /> '''facial hemihyperplasia''',<ref name=Rajendran2014>{{cite book|author1=Rajendran A|author2=Sundaram S|title=Shafer's Textbook of Oral Pathology|url=https://books.google.com/books?id=WnhtAwAAQBAJ&pg=PA13|edition=7th|date=10 February 2014|publisher=Elsevier Health Sciences APAC|isbn=978-81-312-3800-4|pages=13}}</ref> or '''Friedreich's disease''')<ref name=Ghom2014>{{cite book|author1=Ghom AG|author2=Ghom SA|title=Textbook of Oral Medicine|url=https://books.google.com/books?id=vxVPBQAAQBAJ&pg=P125|date=30 September 2014|publisher=JP Medical Ltd|isbn=978-93-5152-303-1|page=125}}</ref> abbreviated as ('''HFH''') is rare congenital disease characterized by unilateral enlargement of the head and teeth.<ref name="pmid11746014">{{cite journal |vauthors=Lee S, Sze R, Murakami C, Gruss J, Cunningham M |title=Hemifacial myohyperplasia: description of a new syndrome |journal=Am. J. Med. Genet. |volume=103 |issue=4 |pages=326–33 |date=November 2001 |pmid=11746014|doi=10.1002/1096-8628(20011101)103:4<326::AID-AJMG1578>3.0.CO;2-Z }}</ref><ref name="pmid17448705">{{cite journal |vauthors=Islam MN, Bhattacharyya I, Ojha J, Bober K, Cohen DM, Green JG |title=Comparison between true and partial hemifacial hypertrophy |journal=Oral Surg Oral Med Oral Pathol Oral Radiol Endod |volume=104 |issue=4 |pages=501–9 |date=October 2007 |pmid=17448705 |doi=10.1016/j.tripleo.2006.11.053 }}</ref> It is classified as true HFH (THFH) with unilateral enlargement of the viscerocranium, and partial HFH (PHFH) in which not all structures are enlarged. Hemifacial hypertrophy can cause a wide spectrum of defects or may involve only muscle or bone.<ref name="pmid17448705"/> it is usually treated surgically.<ref name="pmid3860311">{{cite journal |vauthors=Pollock RA, Newman MH, Burdi AR, Condit DP |title=Congenital hemifacial hyperplasia: an embryologic hypothesis and case report |journal=Cleft Palate J |volume=22 |issue=3 |pages=173–84 |date=July 1985 |pmid=3860311 }}</ref> It is believed to be a minor form of hemihypertrophy.<ref>{{cite journal |vauthors=Urban PP, Bruening R, Roland B |s2cid=1982190 |title=Congenital isolated hemifacial hyperplasia |journal=J. Neurol. |volume=256 |issue=9 |pages=1566–9 |date=September 2009 |pmid=19424770 |doi=10.1007/s00415-009-5148-9 }}</ref>

==References== {{reflist}} == External links == {{Medical resources | ICD10 = Q67.4 | ICD9 = <!--{{ICD9|xxx}}--> | ICDO = | OMIM = 133900 | DiseasesDB = | MedlinePlus = | eMedicineSubj = | eMedicineTopic = | MeSH = | GeneReviewsNBK = | GeneReviewsName = | Orphanet = 141145 }} {{oral pathology}}

{{DEFAULTSORT:Hemifacial Hypertrophy}} Category:Congenital disorders Category:Rare diseases

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