Legg–Calvé–Perthes disease

osteochondrosis that results in death and fracture located in hip joint
MedicalCondition rare_disease Q1456403
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Summary

Legg–Calvé–Perthes disease is a rare disease[1]. It draws 4,153 Wikipedia views per month (rare disease category, ranking #95 of 627).[2]

Key Facts

  • Discoverer or inventor: Karel Maydl[3]
  • Instance of: class of disease[4], symptom or sign[5]
  • Named after: Georg Perthes[6], Arthur Thornton Legg[7], Jacques Calvé[8]
  • Subclass of: osteochondrosis[9], osteonecrosis of the femoral head[10], type 2 collagen-related bone disorder[11], osteochondrosis of genetic origin[12]
  • Commons category: Legg–Calvé–Perthes disease[13]
  • ICPC 2 ID: L94[14]
  • Described by source: The Unified Medical Dictionary (Librairie du Liban, 2009)[15]
  • NCI Thesaurus ID: C34766[16]
  • Health specialty: rheumatology[17], orthopedics[18]
  • Genetic association: COL2A1[19]
  • Age of onset: childhood onset[20]
  • Exact match: http://purl.obolibrary.org/obo/DOID_14415[21], http://identifiers.org/doid/DOID:14415[22], http://purl.obolibrary.org/obo/HP_0005743[23], http://www.orpha.net/ORDO/Orphanet_2380[24]
  • On focus list of Wikimedia project: WikiProject Medicine[25]
  • Has phenotype: tooth abnormality[26], joint dislocation[27], Delayed skeletal maturation[28], arthralgia[29], skeletal muscle atrophy[30], short stature[31], osteonecrosis[32]
  • P14541: 2xisw6[33], 11kCQL[34]
  • P14914: D02380[35]

Why It Matters

Legg–Calvé–Perthes disease has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[36] It is known by 91 alternative names across languages and contexts.[37]

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Disease Ontology. Retrieved . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  10. [12] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . Disease Ontology. Retrieved . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . UniProt. Retrieved . platform.opentargets.org. Provenance: wikidata.org.
  18. [20] ↑ . Retrieved . wikidata.org.
  19. [21] ↑ . Disease Ontology. Retrieved . wikidata.org.
  20. [22] ↑ . Identifiers.org. registry.identifiers.org. Provenance: wikidata.org.
  21. [23] ↑ . Human Phenotype Ontology release 2018-03-08. Retrieved . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . Retrieved . wikidata.org.
  25. [27] ↑ . Retrieved . wikidata.org.
  26. [28] ↑ . Retrieved . wikidata.org.
  27. [29] ↑ . Retrieved . wikidata.org.
  28. [30] ↑ . Retrieved . wikidata.org.
  29. [31] ↑ . Retrieved . wikidata.org.
  30. [32] ↑ . Retrieved . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [36] ↑ . Wikidata sitelinks. wikidata.org.
  3. [37] ↑ . 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). Legg–Calvé–Perthes disease. Retrieved October 23, 2026, from https://4ort.xyz/entity/legg-calv-perthes-disease
MLA “Legg–Calvé–Perthes disease.” 4ort.xyz Knowledge Graph, 4ort.xyz, 23 Oct. 2026, https://4ort.xyz/entity/legg-calv-perthes-disease.
BibTeX @misc{4ortxyz_legg-calv-perthes-disease_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Legg–Calvé–Perthes disease}}, year = {2026}, url = {https://4ort.xyz/entity/legg-calv-perthes-disease}, note = {Accessed: 2026-10-23}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Legg–Calvé–Perthes disease — https://4ort.xyz/entity/legg-calv-perthes-disease (retrieved 2026-10-23)

Canonical URL: https://4ort.xyz/entity/legg-calv-perthes-disease · 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. 10h ago · ACorrêa (WMB) · 2026-10-23 view diff on Wikidata ↗
    Wikipedia languages → ['ar', 'az', 'ca', 'commons', 'de', 'el', 'en', 'es', 'eu', 'fa', 'fr', 'he', 'h
    Age of onset → childhood onset
    Has phenotype → tooth abnormality, joint dislocation, Delayed skeletal maturation +4
    P14914 → D02380
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/61469|batch #61469]]: Raras.org data import"
  2. 27d ago · RASHEEDYE · 2026-09-26 view diff on Wikidata ↗
    Described by source → The Unified Medical Dictionary (Librairie du Liban, 2009)
    "/* wbsetclaim-create:2||1 */ Described by source: The Unified Medical Dictionary (Librairie du Liban, 2009)"
  3. 15w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 2xisw6, 11kCQL
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  4. 16w ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Subclass of → osteochondrosis, osteonecrosis of the femoral head, type 2 collagen-related bone disorder +1
    Named after → —
    On focus list of wikimedia project → WikiProject Medicine
    Health specialty → rheumatology, orthopedics
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39732|batch #39732]]: rm redundant subclass"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.