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Orofaciodigital syndrome 18(OFD18)

MedGen UID:
1799326
Concept ID:
C5567903
Disease or Syndrome
Synonyms: OFDS XVIII; ORAL-FACIAL-DIGITAL SYNDROME, TYPE XVIII; OROFACIODIGITAL SYNDROME XVIII
SNOMED CT: OFD18 - oral-facial-digital syndrome type 18 (1177179002); Orofaciodigital syndrome type 18 (1177179002); Oral-facial-digital syndrome with short stature and brachymesophalangia (1177179002)
 
Gene (location): IFT57 (3q13.12-13.13)
 
Monarch Initiative: MONDO:0054770
OMIM®: 617927

Definition

Orofaciodigital syndrome-18 is characterized by short stature, brachymesophalangy, pre- and postaxial polysyndactyly, and stocky femoral necks, as well as oral anomalies and dysmorphic facial features (Thevenon et al., 2016). [from OMIM]

Clinical features

From HPO
Urinary incontinence
MedGen UID:
22579
Concept ID:
C0042024
Finding
Loss of the ability to control the urinary bladder leading to involuntary urination.
Postaxial polydactyly
MedGen UID:
67394
Concept ID:
C0220697
Disease or Syndrome
Polydactyly refers to the occurrence of supernumerary digits and is the most frequent of congenital hand and foot deformities. Based on the location of the extra digits, polydactyly can be classified into preaxial, involving the thumb or great toe; postaxial, affecting the fifth digit; and central, involving the 3 central digits. Postaxial polydactyly (PAP) is further subclassified into 2 types: in type A, a well-formed extra digit articulates with the fifth or a sixth metacarpal, whereas in type B, a rudimentary, poorly developed extra digit is present (summary by Umm-e-Kalsoom et al., 2012). Genetic Heterogeneity of Postaxial Polydactyly Other forms of postaxial polydactyly type A include PAPA2 (602085) on chromosome 13q21; PAPA3 (607324) on chromosome 19p13; PAPA4 (608562) on chromosome 7q22; PAPA5 (263450) on chromosome 13q13; PAPA6 (615226), caused by mutation in the ZNF141 gene (194648) on chromosome 4p16; PAPA7 (617642), caused by mutation in the IQCE gene (617631) on chromosome 7p22; PAPA8 (618123), caused by mutation in the GLI1 gene (165220) on chromosome 12q13; PAPA9 (618219), caused by mutation in the FAM98A gene (617273) on chromosome 8q22; and PAPA10 (618498), caused by mutation in the KIAA0825 gene (617266) on chromosome 5q15.
Brachydactyly
MedGen UID:
67454
Concept ID:
C0221357
Congenital Abnormality
Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.
Preaxial polydactyly
MedGen UID:
87498
Concept ID:
C0345354
Congenital Abnormality
A form of polydactyly in which the extra digit or digits are localized on the side of the thumb or great toe.
Single transverse palmar crease
MedGen UID:
96108
Concept ID:
C0424731
Finding
The distal and proximal transverse palmar creases are merged into a single transverse palmar crease.
Genu valgum
MedGen UID:
154364
Concept ID:
C0576093
Anatomical Abnormality
The legs angle inward, such that the knees are close together and the ankles far apart.
Short distal phalanx of finger
MedGen UID:
326590
Concept ID:
C1839829
Finding
Short distance from the end of the finger to the most distal interphalangeal crease or the distal interphalangeal joint flexion point. That is, hypoplasia of one or more of the distal phalanx of finger.
Sandal gap
MedGen UID:
374376
Concept ID:
C1840069
Finding
A widely spaced gap between the first toe (the great toe) and the second toe.
Short middle phalanx of finger
MedGen UID:
337690
Concept ID:
C1846950
Finding
Short (hypoplastic) middle phalanx of finger, affecting one or more fingers.
Short stature
MedGen UID:
87607
Concept ID:
C0349588
Finding
A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).
Cervical rib
MedGen UID:
102359
Concept ID:
C0158779
Congenital Abnormality
Presence of rib formation in the cervical region.
Delayed skeletal maturation
MedGen UID:
108148
Concept ID:
C0541764
Finding
A decreased rate of skeletal maturation. Delayed skeletal maturation can be diagnosed on the basis of an estimation of the bone age from radiographs of specific bones in the human body.
Diastema
MedGen UID:
3800
Concept ID:
C0011998
Finding
Increased space between two adjacent teeth in the same dental arch.
Upslanted palpebral fissure
MedGen UID:
98390
Concept ID:
C0423109
Finding
The palpebral fissure inclination is more than two standard deviations above the mean for age (objective); or, the inclination of the palpebral fissure is greater than typical for age.
Square face
MedGen UID:
371253
Concept ID:
C1832127
Finding
Facial contours, as viewed from the front, show a broad upper face/cranium and lower face/mandible, creating a square appearance.
Small forehead
MedGen UID:
336888
Concept ID:
C1845250
Finding
The presence of a forehead that is abnormally small.
Wide nasal bridge
MedGen UID:
341441
Concept ID:
C1849367
Finding
Increased breadth of the nasal bridge (and with it, the nasal root).
Prominent nasal bridge
MedGen UID:
343051
Concept ID:
C1854113
Finding
Anterior positioning of the nasal root in comparison to the usual positioning for age.
Short philtrum
MedGen UID:
350006
Concept ID:
C1861324
Finding
Distance between nasal base and midline upper lip vermilion border more than 2 SD below the mean. Alternatively, an apparently decreased distance between nasal base and midline upper lip vermilion border.
Accessory oral frenulum
MedGen UID:
867439
Concept ID:
C4021814
Congenital Abnormality
Extra fold of tissue extending from the alveolar ridge to the inner surface of the upper or lower lip.
Cleft lip
MedGen UID:
1370297
Concept ID:
C4321245
Anatomical Abnormality
A gap in the lip or lips.

Recent clinical studies

Etiology

Bruel AL, Ganga AK, Nosková L, Valenzuela I, Martinovic J, Duffourd Y, Zikánová M, Majer F, Kmoch S, Mohler M, Sun J, Sweeney LK, Martínez-Gil N, Thauvin-Robinet C, Breslow DK
Hum Mol Genet 2023 Sep 5;32(18):2822-2831. doi: 10.1093/hmg/ddad109. PMID: 37384395Free PMC Article
Monroe GR, Kappen IF, Stokman MF, Terhal PA, van den Boogaard MH, Savelberg SM, van der Veken LT, van Es RJ, Lens SM, Hengeveld RC, Creton MA, Janssen NG, Mink van der Molen AB, Ebbeling MB, Giles RH, Knoers NV, van Haaften G
Eur J Hum Genet 2016 Dec;24(12):1752-1760. Epub 2016 Aug 17 doi: 10.1038/ejhg.2016.103. PMID: 27530628Free PMC Article
Tavil B, Korkmaz A, Bayhan T, Aytaç S, Unal S, Kuskonmaz B, Yigit S, Cetin M, Yurdakök M, Gumruk F
Blood Coagul Fibrinolysis 2016 Mar;27(2):163-8. doi: 10.1097/MBC.0000000000000403. PMID: 26829281
Prattichizzo C, Macca M, Novelli V, Giorgio G, Barra A, Franco B; Oral-Facial-Digital Type I (OFDI) Collaborative Group
Hum Mutat 2008 Oct;29(10):1237-46. doi: 10.1002/humu.20792. PMID: 18546297

Diagnosis

Hussain S, Nawaz S, Khan H, Acharya A, Schrauwen I, Ahmad W, Leal SM
Ann Hum Genet 2022 Nov;86(6):291-296. Epub 2022 Aug 30 doi: 10.1111/ahg.12462. PMID: 36039988Free PMC Article
Siegert S, Mindler GT, Brücke C, Kranzl A, Patsch J, Ritter M, Janecke AR, Vodopiutz J
Genes (Basel) 2021 Oct 20;12(11) doi: 10.3390/genes12111648. PMID: 34828254Free PMC Article
Sakakibara N, Morisada N, Nozu K, Nagatani K, Ohta T, Shimizu J, Wada T, Shima Y, Yamamura T, Minamikawa S, Fujimura J, Horinouchi T, Nagano C, Shono A, Ye MJ, Nozu Y, Nakanishi K, Iijima K
J Hum Genet 2019 Jan;64(1):3-9. Epub 2018 Nov 6 doi: 10.1038/s10038-018-0532-x. PMID: 30401917
Tavil B, Korkmaz A, Bayhan T, Aytaç S, Unal S, Kuskonmaz B, Yigit S, Cetin M, Yurdakök M, Gumruk F
Blood Coagul Fibrinolysis 2016 Mar;27(2):163-8. doi: 10.1097/MBC.0000000000000403. PMID: 26829281
Mintz SM, Siegel MA, Seider PJ
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2005 Mar;99(3):321-4. doi: 10.1016/j.tripleo.2004.08.008. PMID: 15716839

Therapy

Ferrante MI, Romio L, Castro S, Collins JE, Goulding DA, Stemple DL, Woolf AS, Wilson SW
Hum Mol Genet 2009 Jan 15;18(2):289-303. Epub 2008 Oct 29 doi: 10.1093/hmg/ddn356. PMID: 18971206Free PMC Article

Prognosis

Sakakibara N, Morisada N, Nozu K, Nagatani K, Ohta T, Shimizu J, Wada T, Shima Y, Yamamura T, Minamikawa S, Fujimura J, Horinouchi T, Nagano C, Shono A, Ye MJ, Nozu Y, Nakanishi K, Iijima K
J Hum Genet 2019 Jan;64(1):3-9. Epub 2018 Nov 6 doi: 10.1038/s10038-018-0532-x. PMID: 30401917
Tavil B, Korkmaz A, Bayhan T, Aytaç S, Unal S, Kuskonmaz B, Yigit S, Cetin M, Yurdakök M, Gumruk F
Blood Coagul Fibrinolysis 2016 Mar;27(2):163-8. doi: 10.1097/MBC.0000000000000403. PMID: 26829281

Clinical prediction guides

Hussain S, Nawaz S, Khan H, Acharya A, Schrauwen I, Ahmad W, Leal SM
Ann Hum Genet 2022 Nov;86(6):291-296. Epub 2022 Aug 30 doi: 10.1111/ahg.12462. PMID: 36039988Free PMC Article
Mintz SM, Siegel MA, Seider PJ
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2005 Mar;99(3):321-4. doi: 10.1016/j.tripleo.2004.08.008. PMID: 15716839

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