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Brachymorphism-onychodysplasia-dysphalangism syndrome

MedGen UID:
350585
Concept ID:
C1862082
Disease or Syndrome
Synonym: BOD syndrome
SNOMED CT: Brachymorphism with onychodysplasia and dysphalangism syndrome (720573009); Senior syndrome (720573009); BOD (brachymorphism, onychodysplasia, dysphalangism) syndrome (720573009)
Modes of inheritance:
Autosomal dominant inheritance
MedGen UID:
141047
Concept ID:
C0443147
Intellectual Product
Source: Orphanet
A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele.
 
Monarch Initiative: MONDO:0007230
OMIM®: 113477
Orphanet: ORPHA1292

Definition

A very rare malformation syndrome with characteristics of short stature, hypoplastic fifth digits with tiny dysplastic nails, facial dysmorphism with coarse features including a wide mouth and broad nose, and mild intellectual disability. It has been suggested that Coffin-Siris syndrome and BOD syndrome are perhaps allelic variants. [from SNOMEDCT_US]

Clinical features

From HPO
Short middle phalanx of the 5th finger
MedGen UID:
322335
Concept ID:
C1834060
Anatomical Abnormality
Hypoplastic/small middle phalanx of the fifth finger.
Short distal phalanx of the 5th finger
MedGen UID:
373146
Concept ID:
C1836674
Finding
Hypoplastic/small distal phalanx of the fifth finger.
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).
Microcephaly
MedGen UID:
1644158
Concept ID:
C4551563
Finding
Head circumference below 2 standard deviations below the mean for age and gender.
Wide mouth
MedGen UID:
44238
Concept ID:
C0024433
Congenital Abnormality
Distance between the oral commissures more than 2 SD above the mean. Alternatively, an apparently increased width of the oral aperture (subjective).
Abnormal facial shape
MedGen UID:
98409
Concept ID:
C0424503
Finding
An abnormal morphology (form) of the face or its components.
Wide nose
MedGen UID:
140869
Concept ID:
C0426421
Finding
Interalar distance more than two standard deviations above the mean for age, i.e., an apparently increased width of the nasal base and alae.
Pointed chin
MedGen UID:
336193
Concept ID:
C1844505
Finding
A marked tapering of the lower face to the chin.
Anonychia
MedGen UID:
120563
Concept ID:
C0265998
Congenital Abnormality
Congenital anonychia is defined as the absence of fingernails and toenails. Anonychia and its milder phenotypic variant, hyponychia, usually occur as a feature of genetic syndromes, in association with significant skeletal and limb anomalies. Isolated nonsyndromic congenital anonychia/hyponychia is a rare entity that usually follows autosomal recessive inheritance with variable expression, even within a given family. The nail phenotypes observed range from no nail field to a nail field of reduced size with an absent or rudimentary nail (summary by Bruchle et al., 2008). This form of nail disorder is referred to here as nonsyndromic congenital nail disorder-4 (NDNC4). For a list of other nonsyndromic congenital nail disorders and a discussion of genetic heterogeneity, see NDNC1 (161050).
Nail dysplasia
MedGen UID:
331737
Concept ID:
C1834405
Congenital Abnormality
The presence of developmental dysplasia of the nail.
Congenital pulmonary airway malformation
MedGen UID:
8225
Concept ID:
C0010668
Congenital Abnormality
Congenital pulmonary airway malformation (CPAM) - previously known as congenital cystic adenomatoid malformation (CCAM) - is a relatively rare developmental malformation of the lower respiratory tract. It is a hamartomatous, dysplastic developmental abnormality of the lung characterized by abnormal airway patterning during lung branching morphogenesis and is formed by abnormal branching of the immature bronchioles.

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVBrachymorphism-onychodysplasia-dysphalangism syndrome
Follow this link to review classifications for Brachymorphism-onychodysplasia-dysphalangism syndrome in Orphanet.

Recent clinical studies

Diagnosis

Ounap K, Justus I, Lipping-Sitska M
Clin Dysmorphol 1998 Jan;7(1):45-50. PMID: 9546830
Verloes A, Bonneau D, Guidi O, Berthier M, Oriot D, Van Maldergem L, Koulischer L
J Med Genet 1993 Feb;30(2):158-61. doi: 10.1136/jmg.30.2.158. PMID: 8445623Free PMC Article

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