As Hautmann and others (1) reported, even though trichotillomania has been known since the 12th century, it was described for the first time in the late 19th century by a French dermatologist Francois Hallopeau
. Trichotillomania lexically means uncontrolled hair pulling in ancient Greek (2).
Homozygous or compound heterozygous IL36RN gene mutations underlie the pathogenesis of psoriasis-related pustular eruptions including GPP, palmoplantar pustular psoriasis, acrodermatitis continua of Hallopeau
, and AGEP (17, 20).
Trichotillomania (a compulsive desire to pull out one's own hair) was first described by Hallopeau
in 1889, while the first case of trichobezoar was described by Baudamant in 1779.
Two types of Pveg were described: (1) Neumann type which forms vesicles and bullae before turning into dry, hyperkeratotic plaques with fissure and (2) Hallopeau
type which forms centrifugal expansion vegetative lesions without vesicles or bullae formation.
, "Surun cas de lichen de Wilson gingival avec neoplasic voisine dans la region maxillaire," Bulletin De La Societe Francaise De Dermatologie Et De Syphiligraphie, vol.
Palmoplantar pustulosis (PPP) is the most common type of localized PP in the palmoplantar regions.[sup] Recent studies have discovered several susceptibility genes for psoriasis, some of which, such as interleukin 36 receptor antagonist ( IL36RN ) and caspase recruitment domain family member 14 ( CARD14 ), are shared between PP and PsV.[sup], Mutations of adaptor-related protein complex 1 sigma three subunits ( AP1S3 ) were also detected in GPP, PPP, and acrodermatitis continua of Hallopeau
(ACH).[sup] These findings suggested that there might be common susceptible genes between PP and PsV.
The word Trichotillomania (TTM) was coined by French dermatologist Francois Hallopeau
. It is characterized by recurrent pulling out of one's hair resulting in noticeable hair loss.
Ocular surface reconstruction with cultivated limbal epithelium in a patient with unilateral stem cell deficiency caused by Epidenolysis bullosa dystrophica hallopeau
(1) This entity was first reported by Hallopeau
Graphical methods are also used like the Hallopeau
Dubin as well the Legrand and Poirier diagrams .