Unifocal Langerhans cell histiocytosis

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Unifocal Langerhans cell histiocytosis

ORPHA:687730Clinical subtype

Also called Unifocal Langerhans cell granulomatosis · Unifocal histiocytosis X

What it is

Orphanet has not published a description for this disease yet. The identifiers, classification and cross-references below are still current.

Key facts

Inheritance
Not applicable
Classified as
Clinical subtype

Recorded for the broader condition

Prevalence
1-9 / 100 000 (Europe)Langerhans cell histiocytosis
Age of onset
All agesLangerhans cell histiocytosis

Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.

Gene

BRAFDisease-causing somatic mutation(s)

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.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.