Quinquaud's folliculitis decalvans
Findings
No curated finding names Quinquaud's folliculitis decalvans yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Folliculitis decalvans is a rare chronic inflammatory cicatricial alopecia of the scalp occurring in middle-aged adults and characterized by the development of alopecic patches with slowly centrifugal spread predominantly in the vertex and occipital area of the scalp, associated with perifollicular erythema, follicular pustules and hemorrhagic crusts.
Definition from the Mondo Disease Ontology (MONDO:0018103), read 2026-09-29. CC BY 4.0.
Features
7 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal hair morphologyHPOHP:0001595
- Very frequent (80% to 99% of cases)
- ErythemaHPOHP:0010783
- Very frequent (80% to 99% of cases)
- Patchy alopeciaHPOHP:0002232
- Very frequent (80% to 99% of cases)
- PustuleHPOHP:0200039
- Very frequent (80% to 99% of cases)
- Recurrent skin infectionsHPOHP:0001581
- Very frequent (80% to 99% of cases)
- Scarring alopecia of scalpHPOHP:0004552
- Very frequent (80% to 99% of cases)
- Scarring
Where it sits
- A kind of