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X-linked ichthyosis

skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males
MedicalCondition rare_disease Q3804555
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X-linked ichthyosis

Summary

X-linked ichthyosis is a rare disease[1]. It draws 14 Wikipedia views per month (rare_disease category, ranking #220 of 627).[2]

Key Facts

  • X-linked ichthyosis's instance of is recorded as rare disease[3].
  • X-linked ichthyosis's instance of is recorded as class of disease[4].
  • X-linked ichthyosis is a type of X-linked recessive disease[5].
  • X-linked ichthyosis is a type of inherited ichthyosis[6].
  • X-linked ichthyosis is a type of ichthyosis[7].
  • X-linked ichthyosis's NCI Thesaurus ID is recorded as C84779[8].
  • X-linked ichthyosis's health specialty is recorded as medical genetics[9].
  • X-linked ichthyosis's genetic association is recorded as STS[10].
  • X-linked ichthyosis's exact match is recorded as http://purl.obolibrary.org/obo/DOID_1700[11].
  • X-linked ichthyosis's exact match is recorded as http://identifiers.org/doid/DOID:1700[12].
  • X-linked ichthyosis's on focus list of Wikimedia project is recorded as WikiProject Medicine[13].

Why It Matters

X-linked ichthyosis draws 14 Wikipedia views per month (rare_disease category, ranking #220 of 627).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[14] It is known by 7 alternative names across languages and contexts.[15]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . Disease Ontology. Retrieved . wikidata.org.
  4. [6] ↑ . Skin Barrier Function Is Not Impaired and Kallikrein 7 Gene Polymorphism Is Frequently Observed in Korean X-linked Ichthyosis Patients Diagnosed by Fluorescence in Situ Hybridization and Array Comparative Genomic Hybridization.. wikidata.org.
  5. [7] ↑ . Disease Ontology. Retrieved . wikidata.org.
  6. [8] ↑ . Disease Ontology. Retrieved . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . Isolation and characterization of a steroid sulfatase cDNA clone: genomic deletions in patients with X-chromosome-linked ichthyosis. wikidata.org.
  9. [11] ↑ . Disease Ontology. Retrieved . wikidata.org.
  10. [12] ↑ . Identifiers.org. ebi.ac.uk. Provenance: wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). X-linked ichthyosis. Retrieved May 3, 2026, from https://4ort.xyz/entity/x-linked-ichthyosis
MLA “X-linked ichthyosis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/x-linked-ichthyosis.
BibTeX @misc{4ortxyz_x-linked-ichthyosis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{X-linked ichthyosis}}, year = {2026}, url = {https://4ort.xyz/entity/x-linked-ichthyosis}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): X-linked ichthyosis — https://4ort.xyz/entity/x-linked-ichthyosis (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/x-linked-ichthyosis · 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. 10d ago · JhealdBatch bot · 2026-07-05 view diff on Wikidata ↗
    On focus list of wikimedia project → WikiProject Medicine
    Health specialty → medical genetics
    Subclass of → X-linked recessive disease, inherited ichthyosis, ichthyosis
    Subclass of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39953|batch #39953]]: deprecate redundant disease superclasses (2)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.