ischiopatellar dysplasia

Small patella syndrome (SPS) is a very rare benign bone dysplasia affecting skeletal structures of the lower limb and the pelvis
MedicalCondition rare_disease Q28456109
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Summary

ischiopatellar dysplasia is a rare disease[1]. It draws 93 Wikipedia views per month (rare disease category, ranking #135 of 627).[2]

Key Facts

  • Instance of: class of disease[3]
  • Subclass of: dysostosis[4], knee disorder[5], patellar dysostosis[6], autosomal dominant disease[7], developmental defect during embryogenesis[8]
  • Prevalence: 0.000001[9]
  • Genetic association: TBX4[10]
  • Age of onset: infantile onset[11], neonatal onset[12]
  • Exact match: http://purl.obolibrary.org/obo/DOID_0111382[13], http://identifiers.org/doid/DOID:0111382[14]
  • Has phenotype: patella aplasia/hypoplasia[15], hip dysplasia[16]
  • P14914: D01509[17]

Why It Matters

ischiopatellar dysplasia is known by 12 alternative names across languages and contexts.[18]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Disease Ontology. Retrieved . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  5. [7] ↑ . Disease Ontology. Retrieved . wikidata.org.
  6. [8] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  7. [9] ↑ . Retrieved . wikidata.org.
  8. [10] ↑ . UniProt. Retrieved . platform.opentargets.org. Provenance: wikidata.org.
  9. [11] ↑ . Retrieved . wikidata.org.
  10. [12] ↑ . Retrieved . wikidata.org.
  11. [13] ↑ . Disease Ontology. Retrieved . wikidata.org.
  12. [14] ↑ . Identifiers.org. registry.identifiers.org. Provenance: wikidata.org.
  13. [15] ↑ . Retrieved . wikidata.org.
  14. [16] ↑ . Retrieved . wikidata.org.
  15. [17] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). ischiopatellar dysplasia. Retrieved October 27, 2026, from https://4ort.xyz/entity/ischiopatellar-dysplasia
MLA “ischiopatellar dysplasia.” 4ort.xyz Knowledge Graph, 4ort.xyz, 27 Oct. 2026, https://4ort.xyz/entity/ischiopatellar-dysplasia.
BibTeX @misc{4ortxyz_ischiopatellar-dysplasia_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ischiopatellar dysplasia}}, year = {2026}, url = {https://4ort.xyz/entity/ischiopatellar-dysplasia}, note = {Accessed: 2026-10-27}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ischiopatellar dysplasia — https://4ort.xyz/entity/ischiopatellar-dysplasia (retrieved 2026-10-27)

Canonical URL: https://4ort.xyz/entity/ischiopatellar-dysplasia · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5d ago · ACorrêa (WMB) · 2026-10-23 view diff on Wikidata ↗
    Sitelink count → 3
    Prevalence → {'amount': '+0.000001'}
    Wikipedia languages → ['ar', 'de', 'en']
    Age of onset → infantile onset, neonatal onset
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||pt, pt-br */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/61469|batch #61469]]: Raras.org data import"
  2. 16w ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Mondo id → MONDO_0007841
    Orphanet id → 1509
    Imported from → —
    Mesh descriptor id → C535540
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39742|batch #39742]]: subclass of disease, not instance"
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