Diffuse cutaneous systemic sclerosis

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Diffuse cutaneous systemic sclerosis

ORPHA:220393Clinical subtype

Also called Diffuse cutaneous systemic scleroderma · Progressive cutaneous systemic scleroderma · Progressive cutaneous systemic sclerosis

What it is

Diffuse cutaneous systemic sclerosis (dcSSc) is a subtype of Systemic Sclerosis (SSc) characterized by truncal and acral skin fibrosis with an early and significant incidence of diffuse involvement (interstitial lung disease, oliguric renal failure, diffuse gastrointestinal disease, and myocardial involvement).

Key facts

Prevalence
1-9 / 100 000 (annual incidence, Taiwan, Province of China)
Age of onset
Adult
Inheritance
Multigenic/multifactorial, Not applicable
Classified as
Clinical subtype

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

Genes

CAV1Major susceptibility factor
CCN2Major susceptibility factor
CCR6Major susceptibility factor
HLA-DRB1Major susceptibility factor
IRF5Major susceptibility factor

ICD-10 codes

M34.0filed under a broader ICD-10 category — shared with 2 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

GARD 9751MONDO 0016356UMLS C1258104

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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