Total 46 clinical symptoms reported for Myhre syndrome 
Abnormal rib morphology An anomaly of the rib.
 
Synonyms:Abnormality of the ribs; Rib abnormalities; Rib anomalies
Very frequent
Abnormality of the pubic bone An anomaly of the the pubic bone, i.e., of the ventral and anterior of the three principal components (publis, ilium, ischium) of the hip bone.
 
Synonyms:Abnormality of the pubic bone; Abnormality of the pubic bones; Abnormality of the pubis
Very frequent
Brachydactyly 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.
 
Synonyms:Brachydactyly syndrome; Short fingers or toes
Very frequent
Craniofacial hyperostosis Excessive growth of the craniofacial bones.
 
Synonyms:Excessive bone growth of the skull and face; Hyperostosis of craniofacial bones; Increased ossification of craniofacial bones
Very frequent
Global developmental delay 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.
 
Synonyms:Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; Lack of psychomotor development; Motor and developmental delay; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development
Very frequent
Hearing impairment A decreased magnitude of the sensory perception of sound.
 
Synonyms:Deafness; Hearing defect; Hearing impairment; Hypacusis
Very frequent
Hypoplasia of the maxilla Abnormally small dimension of the Maxilla. Usually creating a malocclusion or malalignment between the upper and lower teeth or resulting in a deficient amount of projection of the base of the nose and lower midface region.
 
Synonyms:Decreased size of maxilla; Decreased size of upper jaw; Hypoplasia of upper jaw bones; Hypoplastic maxillary bones; Maxillary deficiency; Maxillary hypoplasia; Maxillary micrognathia; Maxillary retrognathia; Maxillary retrusion; Micromaxilla; Small maxilla; Small upper jaw; Small upper jaw bones; Upper jaw deficiency; Upper jaw retrusion
Very frequent
Intellectual disability Subnormal intellectual functioning which originates during the developmental period. Intellectual disability, previously referred to as mental retardation, has been defined as an IQ score below 70.
 
Synonyms:Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation
Very frequent
Intrauterine growth retardation An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.
 
Synonyms:In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant
Very frequent
Joint stiffness Joint stiffness is a perceived sensation of tightness in a joint or joints when attempting to move them after a period of inactivity. Joint stiffness typically subsides over time.
 
Synonyms:Joint stiffness; Stiff joint; Stiff joints
Very frequent
Large iliac wing Increased size of the ilium ala.
 
Synonyms:Large iliac wings
Very frequent
Mandibular prognathia Abnormal prominence of the chin related to increased length of the mandible.
 
Synonyms:Big lower jaw; Big mandible; Enlarged mandible; Enlargement of mandible; Hyperplasia of lower jaw; Increased projection of lower jaw; Increased projection of mandible; Increased size of lower jaw; Large lower jaw; Large mandible; Lower jaw excess; Lower jaw hyperplasia; Macromandible; Mandible prognathism; Mandibular excess; Mandibular hyperplasia; Mandibular macrognathia; Mandibular prognathism; Prognathia; Prognathism; Prominent chin; Prominent jaw; Prominent lower jaw; Prominent mandible; Relative mandibular prognathism
Very frequent
Midface retrusion Posterior positions and/or vertical shortening of the infraorbital and perialar regions, or increased concavity of the face and/or reduced nasolabial angle.
 
Synonyms:Decreased size of midface; Flat midface; Hypoplasia of midface; Midface deficiency; Midface hypoplasia; Midface retrusion; Midface, flat; Retrusive midface; Underdevelopment of midface
Very frequent
Narrow mouth Distance between the commissures of the mouth more than 2 SD below the mean. Alternatively, an apparently decreased width of the oral aperture (subjective).
 
Synonyms:Microstomia; Narrow mouth; Small mouth; Small oral aperture
Very frequent
Platyspondyly A flattened vertebral body shape with reduced distance between the vertebral endplates.
 
Synonyms:Flat vertebral bodies; Flattened vertebrae; Flattened vertebral bodies
Very frequent
Severe short stature A severe degree of short stature, more than -4 SD from the mean corrected for age and sex.
 
Synonyms:Dwarfism; Proportionate dwarfism; Severe short stature; Short stature, extreme; Short stature, severe
Very frequent
Short palm Short palm.
 
Synonyms:Short palm
Very frequent
Skeletal muscle hypertrophy Hypertrophy (increase in size) of muscle cells (as opposed to hyperplasia, which refers to an increase in the number of muscle cells).
 
Synonyms:Hypertrophic muscles; Increased skeletal muscle cells; Muscle hypertrophy; Muscular hypertrophy
Very frequent
Specific learning disability 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.
 
Very frequent
Thin vermilion border Height of the vermilion of the medial part of the lip more than 2 SD below the mean, or apparently reduced height of the vermilion of the lip in the frontal view. The vermilion is the red part of the lips (and confusingly, the vermilion itself is also often referred to as being equivalent the lips).
 
Synonyms:Decreased volume of lip; Decreased volume of lip vermillion; Thin lips; Thin vermillion
Very frequent