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1.
Ann Dermatol Venereol ; 149(2): 112-118, 2022 Jun.
Article in English | MEDLINE | ID: mdl-34538651

ABSTRACT

INTRODUCTION AND METHODS: Different clinical and histological variants of lichen planus (LP) exist, such as lichen planopilaris, pigmentosus, linear, or atrophic LP. Recently, some cases came to our attention of hyperpigmented and atrophic linear lesions of the face with lichenoid histology, suggesting a combination of these different variants. We carried out a single-center, retrospective descriptive study of 6 similar cases selected from our database and compared them with a literature review. RESULTS: There were 4 males and 2 females of mean age 42 years. Each had linear lesions located on one side of the face. All lesions were initially itchy; they appeared hyperpigmented in all patients and atrophic in 5 cases. Biopsies indicated lichen planopilaris in 5 patients, with deep peri-eccrine involvement in 4 of them. Only 2 of the 6 patients had extra-facial lesions. DISCUSSION AND LITERATURE REVIEW: We found 24 cases in the literature having similar clinical and histological aspects. Men aged around 37 years seemed particularly affected. An atrophic course was noticed in 10 patients. Such a clinicopathological picture may suggest differential diagnoses like lichen striatus, lupus erythematosus, lichen sclerosus atrophicus, or Moulin's linear atrophoderma. Early histopathological examination could be of precious assistance in allowing the initiation of effective treatment immediately as of the initial inflammatory phase, thereby limiting the risk of cosmetic sequelae such as atrophy or residual pigmentation. CONCLUSION: We describe a form of facial lichen planus that is highly particular in terms of its follicular tropism, its blaschkoid distribution, its pigmented character, and its atrophic progression.


Subject(s)
Face , Hyperpigmentation , Lichen Planus , Adult , Face/pathology , Female , Humans , Hyperpigmentation/complications , Lichen Planus/complications , Male , Pruritus , Retrospective Studies
3.
Ann Dermatol Venereol ; 135(3): 177-82, 2008 Mar.
Article in French | MEDLINE | ID: mdl-18374847

ABSTRACT

BACKGROUND: There have been few studies in France concerning the specific features of dermatological practice regarding dark skin (Fitzpatrick's phototype V and VI) or the special requirements of black African and Afro-Caribbean patients. AIM: To determine the principal reasons for dermatological consultation among black patients of African or Afro-Caribbean descent in the Paris region. METHODS: This was a prospective clinical study conducted between 15 February and 15 May 2004. The diagnoses of cutaneous conditions leading to dermatological consultation for all black patients of phototype V to VI were recorded by 10 dermatologists practicing in 14 centres within the Paris region. LIMITS: The method used did not allow any conclusions to be drawn regarding the incidence of the presenting conditions among the global population nor did it allow comparison between populations of different phototypes. The absence of any preset list of diagnoses or of precise inclusion criteria regarding evaluation of skin colour left individual investigators with a broad margin of interpretation. RESULTS: In 836 adults and 228 children (half of whom were from Africa and half from the West Indies), diagnoses were as follows: acne in 29.2% of adults and 13.2% in children, and eczema in 6.8% of adults and 27.2% of children. Among dermatoses more specific to black subjects, scalp conditions were frequently seen in both adults (alopecia 7% of diagnoses) and children (tinea capitis 9.6% and alopecia 3.6% of diagnoses). In at least 25% of cases, consultation was associated with dyschromia. Clinical signs suggesting the use of skin lightening products were seen in 95 patients. CONCLUSION: In France, as in other industrialized countries, black patients consult dermatologists essentially for common benign dermatoses also seen amongst white people. Nevertheless, it is important to emphasise the presence of skin problems specific to black patients such as dyschromia and pigmentary disorders, hair and scalp dermatoses, and side effects associated with the use of skin lightening products.


Subject(s)
Black People , Skin Diseases/epidemiology , Skin Pigmentation , Acne Vulgaris/epidemiology , Adult , Africa/ethnology , Child , Humans , Paris , Scalp/pathology , Scalp Dermatoses/epidemiology , Skin Diseases/classification , West Indies/ethnology
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