National Center for Advancing and Translational Sciences Genetic and Rare Diseases Information Center, a program of the National Center for Advancing and Translational Sciences

Symphalangism, distal, with microdontia, dental pulp stones, and narrowed zygomatic arch



Other Names:
Distal symphalangism, hypoplastic carpal bones, microdontia, dental pulp stones, and narrowing of the zygomatic arch

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.

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Medical Terms Other Names
Learn More:
HPO ID
Percent of people who have these symptoms is not available through HPO
Absent scaphoid 0011835
Absent trapezium 0004253
Absent trapezoid bone 0006106
Anonychia
Absent nails
Aplastic nails
[ more ]
0001798
Aplasia/Hypoplasia of the middle phalanges of the hand
Absent/small middle finger bone of the hand
Absent/underdeveloped middle finger bone of the hand
[ more ]
0009843
Autosomal dominant inheritance 0000006
Cone-shaped epiphyses of the middle phalanges of the hand
Cone-shaped end part of the middle hand bones
0010259
Distal foot symphalangism 0001859
Distal symphalangism of hands
Fused outermost bones of hand
0001204
Microdontia
Decreased width of tooth
0000691
Pulp stones 0003771
Short distal phalanx of finger
Short outermost finger bone
0009882
Short middle phalanx of finger
Short middle bone of finger
0005819
Short phalanx of finger
Short finger bones
0009803
Small nail
Small nails
0001792
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Last updated: 7/1/2020

If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.

You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.

Healthcare Resources


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.

In-Depth Information

  • 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. 
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Symphalangism, distal, with microdontia, dental pulp stones, and narrowed zygomatic arch. Click on the link to view a sample search on this topic.

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