Kaposiform hemangioendothelioma

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Kaposiform hemangioendothelioma

ORPHA:2122Disease

What it is

A rare, locally aggressive, cutaneous or visceral vascular tumor characterized by either superficial lesions presenting as blue-purple infiltrated ill-defined plaques, or deep lesions usually manifesting with coagulation abnormality. They are associated in about 3 out of 4 of cases with potentially lethal thrombocytopenia and consumption coagulopathy (Kasabach-Merritt phenomenon; KMP).

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Disease

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.

Gene

GNA14Disease-causing somatic mutation(s)

ICD-10 codes

C49.9filed under a broader ICD-10 category — shared with 24 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 3077MEDDRA 10087551MESH C537007MONDO 0016236UMLS C1367420

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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