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Midface hypoplasia, obesity, developmental delay, and neonatal hypotonia

MedGen UID:
325238
Concept ID:
C1837730
Disease or Syndrome
Synonyms: Midface Hypoplasia, Obesity, Developmental Delay, and Neonatal Hypotonia
Modes of inheritance:
Autosomal recessive inheritance
MedGen UID:
141025
Concept ID:
C0441748
Intellectual Product
Sources: HPO, OMIM, 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 homozygotes. In the context of medical genetics, autosomal recessive disorders manifest in homozygotes (with two copies of the mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele). [HPO:curators]
Autosomal recessive inheritance (HPO, OMIM, Orphanet)
 
OMIM®: 608624

Clinical features

Ptosis
MedGen UID:
2287
Concept ID:
C0005745
Disease or Syndrome
Drooping of the upper lid due to deficient development or paralysis of the levator palpebrae muscle.
Hypoglycemia
MedGen UID:
6979
Concept ID:
C0020615
Disease or Syndrome
A decreased concentration of glucose in the blood.
Narrow mouth
MedGen UID:
44435
Concept ID:
C0026034
Congenital Abnormality
A congenital defect in which the mouth is unusually small. (Dorland, 27th ed)
Microtia
MedGen UID:
57535
Concept ID:
C0152423
Congenital Abnormality
Underdevelopment of the external ear.
Mixed hearing impairment
MedGen UID:
102336
Concept ID:
C0155552
Disease or Syndrome
A type of hearing loss resulting from a combination of conductive hearing impairment and sensorineural hearing impairment.
Frontal bossing
MedGen UID:
67453
Concept ID:
C0221354
Congenital Abnormality
A skeletal deformity characterized by an unusually prominent forehead. Causes include acromegaly, Hurler syndrome, Silver-Russell syndrome, and thalassemia major.
Brachydactyly
MedGen UID:
67454
Concept ID:
C0221357
Congenital Abnormality
Congenital anomaly of abnormally short fingers or toes.
Low-set ears
MedGen UID:
65980
Concept ID:
C0239234
Congenital Abnormality
Upper insertion of the ear to the scalp below an imaginary horizontal line drawn between the inner canthi of the eye and extending posteriorly to the ear.
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.
Epicanthus
MedGen UID:
151862
Concept ID:
C0678230
Congenital Abnormality
Epicanthus is a condition in which a fold of skin stretches from the upper to the lower eyelid, partially covering the inner canthus. Usher (1935) noted that epicanthus is a normal finding in the fetus of all races. Epicanthus also occurs in association with hereditary ptosis (110100).
Depressed nasal bridge
MedGen UID:
373112
Concept ID:
C1836542
Finding
Posterior positioning of the nasal root in relation to the overall facial profile for age.
Overfolded helix
MedGen UID:
325239
Concept ID:
C1837731
Finding
A condition in which the helix is folded over to a greater degree than normal. That is, excessive curling of the helix edge, whereby the free edge is parallel to the plane of the ear.
Broad lateral eyebrow
MedGen UID:
332934
Concept ID:
C1837733
Finding
Regional increase in the width (height) of the lateral eyebrow.
Anteverted nares
MedGen UID:
326648
Concept ID:
C1840077
Finding
Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).
Malar flattening
MedGen UID:
347616
Concept ID:
C1858085
Anatomical Abnormality
Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation.
Generalized hypotonia
MedGen UID:
346841
Concept ID:
C1858120
Finding
Generalized muscular hypotonia (abnormally low muscle tone).
Prominent forehead
MedGen UID:
401234
Concept ID:
C1867446
Finding
Forward prominence of the entire forehead, due to protrusion of the frontal bone.
Obesity
MedGen UID:
368429
Concept ID:
C1963185
Finding
Accumulation of substantial excess body fat.
Thick lower lip vermilion
MedGen UID:
473520
Concept ID:
C2053437
Finding
Increased thickness of the lower lip, leading to a prominent appearance of the lower lip. The height of the vermilion of the lower lip in the midline is more than 2 SD above the mean. Alternatively, an apparently increased height of the vermilion of the lower lip in the frontal view (subjective).
Neonatal hypotonia
MedGen UID:
412209
Concept ID:
C2267233
Disease or Syndrome
Muscular hypotonia (abnormally low muscle tone) manifesting in the neonatal period.
Midface retrusion
MedGen UID:
388629
Concept ID:
C2673410
Finding
Global developmental delay
MedGen UID:
892935
Concept ID:
C4020875
Pathologic Function
A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.
Specific learning disability
MedGen UID:
871302
Concept ID:
C4025790
Mental or Behavioral Dysfunction
Impairment of certain skills such as reading or writing, coordination, self-control, or attention that interfere with the ability to learn. The impairment is not related to a global deficiency of intelligence.

Recent clinical studies

Etiology

Driessen C, Rijken BF, Doerga PN, Dremmen MH, Joosten KF, Mathijssen IM
J Craniomaxillofac Surg 2017 Jul;45(7):1069-1073. Epub 2017 Apr 8 doi: 10.1016/j.jcms.2017.03.024. PMID: 28479031

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