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Disease Profile
PPM-X syndrome
Prevalence estimates on Rare Medical Network websites are calculated based on data available from numerous sources, including US and European government statistics, the NIH, Orphanet, and published epidemiologic studies. Rare disease population data is recognized to be highly variable, and based on a wide variety of source data and methodologies, so the prevalence data on this site should be assumed to be estimated and cannot be considered to be absolutely correct.
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Age of onset
Childhood
ICD-10
F71.1
Inheritance
Autosomal dominant A pathogenic variant in only one gene copy in each cell is sufficient to cause an autosomal dominant disease.
Autosomal recessive Pathogenic variants in both copies of each gene of the chromosome are needed to cause an autosomal recessive disease and observe the mutant phenotype.
X-linked
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.
X-linked
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.
Mitochondrial or multigenic Mitochondrial genetic disorders can be caused by changes (mutations) in either the mitochondrial DNA or nuclear DNA that lead to dysfunction of the mitochondria and inadequate production of energy.
Multigenic or multifactor Inheritance involving many factors, of which at least one is genetic but none is of overwhelming importance, as in the causation of a disease by multiple genetic and environmental factors.
Not applicable
Other names (AKA)
Intellectual deficit, X-linked psychosis macroorchidism; MRXS13
Categories
Congenital and Genetic Diseases; Nervous System Diseases
Summary
Orpha Number: 3077
Symptoms
This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
Medical Terms | Other Names |
Learn More:
HPO ID
|
---|---|---|
80%-99% of people have these symptoms | ||
Aggressive behavior |
Aggression
Aggressive behaviour
Aggressiveness
[ more ] |
0000718 |
Hyperactive deep tendon reflexes | 0006801 | |
Hyperactivity |
More active than typical
|
0000752 |
Irritability |
Irritable
|
0000737 |
Macroorchidism |
Large testis
|
0000053 |
0001250 | ||
Sleep disturbance |
Difficulty sleeping
Trouble sleeping
[ more ] |
0002360 |
30%-79% of people have these symptoms | ||
Anorexia | 0002039 | |
Bipolar affective disorder |
Bipolar disorder
|
0007302 |
Congestive heart failure |
Cardiac failure
Cardiac failures
Heart failure
[ more ] |
0001635 |
Focal |
0011188 | |
IQ between 34 and 49
|
0002342 | |
Intellectual disability, severe |
Early and severe mental retardation
Mental retardation, severe
Severe mental retardation
[ more ] |
0010864 |
Lower limb hyperreflexia |
Overactive lower leg reflex
|
0002395 |
Lower limb |
0002061 | |
Decreased body height
Small stature
[ more ] |
0004322 | |
5%-29% of people have these symptoms | ||
Abnormal fear/anxiety-related behavior | 0100852 | |
Broad-based gait |
Wide based walk
|
0002136 |
Kyphoscoliosis | 0002751 | |
Obesity |
Having too much body fat
|
0001513 |
Parkinsonism | 0001300 | |
Resting tremor |
Tremor at rest
|
0002322 |
Shuffling gait |
Shuffled walk
|
0002362 |
Stooped posture | 0025403 | |
Stroke | 0001297 | |
Percent of people who have these symptoms is not available through HPO | ||
Abnormality of the dentition |
Abnormal dentition
Abnormal teeth
Dental abnormality
[ more ] |
0000164 |
0001251 | ||
Babinski sign | 0003487 | |
Bruxism |
Teeth grinding
|
0003763 |
Choreoathetosis | 0001266 | |
Delayed speech and language development |
Deficiency of speech development
Delayed language development
Delayed speech
Delayed speech acquisition
Delayed speech development
Impaired speech and language development
Impaired speech development
Language delay
Language delayed
Language development deficit
Late-onset speech development
Poor language development
Speech and language delay
Speech and language difficulties
Speech delay
[ more ] |
0000750 |
Drooling |
Dribbling
|
0002307 |
EEG abnormality | 0002353 | |
Excessive salivation |
Mouth watering
Oversalivation
Watery mouth
[ more ] |
0003781 |
Facial |
Decreased facial muscle tone
Low facial muscle tone
Reduced facial muscle tone
[ more ] |
0000297 |
Global |
0001263 | |
High palate |
Elevated palate
Increased palatal height
[ more ] |
0000218 |
Hyperreflexia |
Increased reflexes
|
0001347 |
Intellectual disability, mild |
Mental retardation, borderline-mild
Mild and nonprogressive mental retardation
Mild mental retardation
[ more ] |
0001256 |
Macrotia |
Large ears
|
0000400 |
Abnormally small skull
Decreased circumference of cranium
Decreased size of skull
Reduced head circumference
Small head circumference
[ more ] |
0000252 | |
Little lower jaw
Small jaw
Small lower jaw
[ more ] |
0000347 | |
Pes cavus |
High-arched foot
|
0001761 |
Psychosis | 0000709 | |
Short neck |
Decreased length of neck
|
0000470 |
Slow progression |
Signs and symptoms worsen slowly with time
|
0003677 |
Spastic gait |
Spastic walk
|
0002064 |
Tremor | 0001337 | |
0001419 |
Diagnosis
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.
Testing Resources
- Orphanet lists international laboratories offering diagnostic testing for this condition.
Learn more
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.
Where to Start
- Genetics Home Reference (GHR) contains information on PPM-X syndrome. This website is maintained by the National Library of Medicine.
In-Depth Information
- GeneReviews provides current, expert-authored, peer-reviewed, full-text articles describing the application of genetic testing to the diagnosis, management, and genetic counseling of patients with specific inherited conditions.
- The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
- Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine.
- Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
- PubMed is a searchable database of medical literature and lists journal articles that discuss PPM-X syndrome. Click on the link to view a sample search on this topic.