What are the other Names for this Condition? (Also known as/Synonyms)

• Folliculitis Decalvans
• Quinquaud’s Disease

What is Quinquaud's Decalvans Folliculitis? (Definition/Background Information)

• Quinquaud's Decalvans Folliculitis (or Folliculitis Decalvans) is a rare chronic inflammatory cicatricial alopecia of the scalp occurring in middle-aged adults
• It is 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

(Source: Quinquaud's folliculitis decalvans; Orphanet, National Institute of Health and Medical Research (INSERM), Paris.)

Who gets Quinquaud's Decalvans Folliculitis? (Age and Sex Distribution)

• Quinquaud's Decalvans Folliculitis is a rare disorder affecting adults during middle-age
• Both males and females may be affected
• Worldwide, individuals of all racial and ethnic groups may be affected

What are the Risk Factors for Quinquaud's Decalvans Folliculitis? (Predisposing Factors)

• Currently, no risk factors have been clearly identified for Quinquaud's Decalvans Folliculitis

It is important to note that having a risk factor does not mean that one will get the condition. A risk factor increases one’s chances of getting a condition compared to an individual without the risk factors. Some risk factors are more important than others.

Also, not having a risk factor does not mean that an individual will not get the condition. It is always important to discuss the effect of risk factors with your healthcare provider.

What are the Causes of Quinquaud's Decalvans Folliculitis? (Etiology)

The exact cause of development of Quinquaud's Decalvans Folliculitis is unknown.

What are the Signs and Symptoms of Quinquaud's Decalvans Folliculitis?

The signs and symptoms of Quinquaud's Decalvans Folliculitis may include the following: (very frequently present symptoms in 80-99% of the cases)

• Erythema
• Patchy alopecia
• Pustule
• Recurrent skin infections
• Scarring alopecia of scalp

(Source: Quinquaud's Decalvans Folliculitis; Genetic and Rare Diseases Information Center (GARD) of National Center for Advancing Translational Sciences (NCATS), USA.)

How is Quinquaud's Decalvans Folliculitis Diagnosed?

Quinquaud's Decalvans Folliculitis is diagnosed on the basis of the following information:

• Complete physical examination
• Thorough medical history evaluation
• Assessment of signs and symptoms
• Laboratory tests
• Imaging studies
• Biopsy studies, if necessary

Many clinical conditions may have similar signs and symptoms. Your healthcare provider may perform additional tests to rule out other clinical conditions to arrive at a definitive diagnosis.

What are the possible Complications of Quinquaud's Decalvans Folliculitis?

The complications of Quinquaud's Decalvans Folliculitis may include:

• Emotional stress
• Cosmetic concerns due to early balding

Complications may occur with or without treatment, and in some cases, due to treatment also.

How is Quinquaud's Decalvans Folliculitis Treated?

Presently, there is no cure for Quinquaud's Decalvans Folliculitis. The treatment is usually given to manage the signs and symptoms and any complications that develops.

How can Quinquaud's Decalvans Folliculitis be Prevented?

• Currently, Quinquaud's Decalvans Folliculitis may not be preventable, since the cause of this disorder is unknown
• Regular medical screening at periodic intervals with tests and physical examinations are recommended

What is the Prognosis of Quinquaud's Decalvans Folliculitis? (Outcomes/Resolutions)

• The prognosis of Quinquaud's Decalvans Folliculitis is dependent upon the severity of the signs and symptoms and associated complications, if any
• Individuals with mild conditions have better prognosis than those with severe symptoms and complications
• Typically, the prognosis may be assessed on a case-by-case basis

Additional and Relevant Useful Information for Quinquaud's Decalvans Folliculitis:

The following DoveMed website link is a useful resource for additional information:

http://www.dovemed.com/diseases-conditions/rare-disorders/