The Human Phenotype Ontology (HPO) provides the following list of features that have been reported in people with this condition. Much of the information in the HPO comes from Orphanet, a European rare disease database. If available, the list includes a rough estimate of how common a feature is (its frequency). Frequencies are based on a specific study and may not be representative of all studies. You can use the MedlinePlus Medical Dictionary for definitions of the terms below.
|Signs and Symptoms||Approximate number of patients (when available)|
|Abnormality of the hip bone||90%|
|Abnormality of the metaphyses||90%|
|Abnormality of the voice||90%|
|Aplasia/Hypoplasia of the earlobes||90%|
|Clinodactyly of the 5th finger||90%|
|Delayed skeletal maturation||90%|
|Intrauterine growth retardation||90%|
|Reduced number of teeth||90%|
|Abnormality of female external genitalia||50%|
|Aplasia/Hypoplasia of the eyebrow||50%|
|Hypopigmented skin patches||50%|
|Low-set, posteriorly rotated ears||50%|
|Sensorineural hearing impairment||50%|
|Underdeveloped nasal alae||50%|
|Wide nasal bridge||50%|
|Aplasia/Hypoplasia of the corpus callosum||7.5%|
|Atria septal defect||7.5%|
|Attention deficit hyperactivity disorder||7.5%|
|Patent ductus arteriosus||7.5%|
|Recurrent respiratory infections||7.5%|
|Large sella turcica||5%|
|Limited elbow extension||5%|
|Short middle phalanx of finger||5%|
|Autosomal recessive inheritance||-|
|Disproportionate short stature||-|
|High pitched voice||-|
|Hypoplasia of dental enamel||-|
|Hypoplastic iliac wing||-|
|Narrow pelvis bone||-|
|Postnatal growth retardation||-|
|Prominent nasal bridge||-|
|Proximal femoral epiphysiolysis||-|
|Pseudoepiphyses of the metacarpals||-|
|Short 1st metacarpal||-|
|Short distal phalanx of finger||-|
|Slender long bone||-|
|Sparse scalp hair||-|
|Type II diabetes mellitus||-|
|Upslanted palpebral fissure||-|
Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
Nonprofit support and advocacy groups bring together patients, families, medical professionals, and researchers. These groups often raise awareness, provide support, and develop patient-centered information. Many are the driving force behind research for better treatments and possible cures. They can direct people to research, resources, and services. Many groups also have experts who serve as medical advisors. Visit their website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
Living with a genetic or rare disease can impact the daily lives of patients and families. These resources can help families navigate various aspects of living with a rare disease.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know. Submit a new question
Does the "M" in MOPD stand for microcephaly or Majewski? What is the difference between the types of MOPD in terms of genetics? See answer