Trichoscopy of primary cicatricial alopecias: an updated review

Mathur, M; Acharya, Prakash

doi:10.1111/jdv.15974

Cited by 31 publications

(38 citation statements)

References 64 publications

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“…It is a practical diagnostic, evaluative and prognostic tool in awidevariety of hair disorders as hair shaft abnormalities, genodermatotic with hair involvement, immune mediated (Tcell mediated or auto-antibody induced) inflammatory cicatricial or non-cicatricial hair disorder or alopecia, non immune mediated hair or scalp disorders like androgenic alopecia, sebborheic dermatitis, trichotillomania, traction alopecia, psoriasis, pseudonits, casts, infectious disorders like tinea capitis or tinea of hair bearing area, pediculosis and even neoplastic disorder. [32][33][34][35][36][37][38][39][40][41][42][43][44][45]Trichoscopyis especially a very useful non-invasive evaluation for children with hair disorders. [43,46]There are also many promising technical improvements in this regard.…”

Section: Resultsmentioning

confidence: 99%

A Comprehensive Review on Trichogram and Trichoscopy in Dermatology

Moodi¹,

E²,

Roohaninasab³

et al. 2021

PJMHS

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Background: We reviewed the literatures focusing on trichogram and comparing it with other newly introduced trichologic diagnostic methods (to be specific trichoscopy). Methods: This is a narrative review. We searched PubMed, Scopus, EMBASE and the Web of Science for most relevant and English publications using the terms ‘trichogram’ or ‘phototrichogram’ or ‘trichoscan’ or ‘unit area trichogram’ or ‘trichoscopy’.The results were then screened by two independent reviewers and discrepancies was reviewed by another author. The text and data related to these terms were then selected out of each included study and discussed with all authors for inclusion in this study. Results: There are many hair disorders with diagnostic clues of trichogram such as Alopecia areata, Androgenic alopecia, Anagen effluvium, Telogen effluvium, Trichotillomania, Pemghigus, Psoriasis, and Loose anagen syndrome. Trichoscopy have become a widely used non-invasive practical diagnostic tool for evaluation of many immune-mediated or non-immune mediated dermatologic disorders with involvement of hair. Trichoscopy is also commonly used for following up and evaluating the therapeutic responses in affected hair-bearing area. Conclusion: Trichogram is a valuable diagnostic method for complicated hair disorders butthe trend is toward less aggressive and more sensitive informative methods like trichoscopy and trichoscan. Key words: Trichogram, Trichoscopy, Phototrichogram, Trichoscan, Unit Area Trichogram, Dermatoscopy, Dermoscopy, Hair, Alopecia, Scalp, Diagnoses

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Section: Resultsmentioning

confidence: 99%

A Comprehensive Review on Trichogram and Trichoscopy in Dermatology

Moodi¹,

E²,

Roohaninasab³

et al. 2021

PJMHS

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“…Findings specific to PoB were yellow dots and honeycomb pigmentation, and polytrichia (tufted hair) was specific to folliculitis decalvans. Findings specific to DLE were keratotic follicular plugging, branching vessels, and white dots ( Al-Refu, 2018 , Beheshtiroy et al, 2015 , Herskovitz and Miteva, 2016 , Mathur and Acharya, 2020 , Waśkiel-Burnat et al, 2019 ).…”

Section: Discussionmentioning

confidence: 99%

Assessment, reliability, and validity of trichoscopy in the evaluation of alopecia in women

Saqib

Bhat

Shah

et al. 2021

International Journal of Women's Dermatology

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Background Alopecia in women is generally difficult to diagnose clinically. Trichoscopy may help make the correct diagnosis in doubtful cases. Objective The aims of the study were to assess the trichoscopic features of different types of alopecia in women, the reliability of trichoscopy vis-à-vis clinical findings, and the validity of trichoscopy in cases with a doubtful clinical diagnosis. Methods A hospital-based observational, cross-sectional study was carried out on female patients with alopecia. A trichoscopic diagnosis was made and correlated with a clinical diagnosis. The validity of trichoscopy in doubtful cases was evaluated by reporting the sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic value. Results On trichoscopy, increased hair diameter diversity > 20%, single-hair follicular unit, vellus hair, peripilar sign, and focal atrichia were commonly seen in female pattern hair loss. In telogen effluvium, there was a scarceness of specific findings. In cicatricial alopecias, loss of follicular ostia, erythema, white macules, blue-gray dots, white dots, tufted hair, and keratotic follicular plugging were observed. A good agreement between trichoscopy and clinical diagnosis was found (Cohen’s Kappa = 0.824; 95% confidence interval, 0.756–0.892). The validity of trichoscopy in doubtful cases was evaluated using the validity parameters, which were high in all alopecias. Limitations Histopathology testing was not done in all patients. Conclusion Trichoscopy helped reach a definitive diagnosis in patients in whom the clinical diagnosis was doubtful. Thus, trichoscopy is a sensitive and specific investigation that can be valuable in women with alopecia.

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“…• Вторинні РА, коли до руйнування фолікулів призводить не пов'язане з волосяним фолікулом захворювання (саркої- доз, вульгарна пухирчатка, мікози волосистої частини голови, склеродермії, шкірний туберкульоз, глибокі травми, опіки) [29,30].…”

Section: рубцеві алопеціїunclassified

“…Важлива роль в діагностиці причини належить трихоскопічним методам. Остаточна верифікація діагнозу забезпечується результатом гістологічного дослідження біоптату скальпа [30].…”

Section: рубцеві алопеціїunclassified

Androgen-associated and androgen-independent causes of alopecia and acne in women. Literature review

Сидорова

Тутченко

Бурка

et al. 2020

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This article refers to the issues of alopecia and acne pathogenesis: anatomy of hair and sebaceous glands, biological factors affecting the stages of hair development and function of sebaceous glands. Alopecia is divided into two large groups: scaring and non-scaring alopecia, the later is represented by alopecia areata, telogen effluvium, and female pattern hair loss/androgenetic alopecia (FPHL/AGA). Before starting the search for systemic causes it is necessary to predetermine the type of alopecia on the basis of medical history and external manifestations. FPHL /AGA as a most common form of alopecia can often coexist with another common pathology – telogen effluvium, this fact determines therapeutic approaches and their results.Main pathogenetic mechanisms, approaches to differential diagnostics and treatment of the main specified types of non-scarring alopecia are reviewed. FPHL/AGA is a main type of alopecia which is often referred to gynecologists/endocrinologists. It is now regarded a multifactorial pathology with the involvement of a genetic component, androgen receptor gene expression, dihydrotestosterone synthesis and local low grade inflammation specifics. FPHL/AGA can be with and without hyperandrogenism, in both cases it can be accompanied by an increased risk of metabolic syndrome. In case of FPHL/AGA with hyperandrogenism the success of treatment depends on the consistent coordinated work of gynecologist/endocrinologist and dermatologist/trichologist, which allows combining systemic and local therapy in a timely manner.Also contemporary views on the acne pathogenesis are reviewed. Given the complex nature of acne its therapy is also complex and stepwise. According to current clinical guidelines and recent studies of the microbial component of acne pathogenesis the following conclusions are formulated. Patients with acne require assessment of androgen status, determination of the hyperandrogenism source, including evaluation of tissue androgens; phenotype of the syndrome and cardio-metabolic risks should be determined in patients with polycystic ovary syndrome; it is advisable to determine antimicrobial susceptibility of pathogens isolated from the inflamed pilosebaceous unit if acne form requires the local or systemic antibacterial therapy.

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Trichoscopy of primary cicatricial alopecias: an updated review

Cited by 31 publications

References 64 publications

A Comprehensive Review on Trichogram and Trichoscopy in Dermatology

A Comprehensive Review on Trichogram and Trichoscopy in Dermatology

Assessment, reliability, and validity of trichoscopy in the evaluation of alopecia in women

Androgen-associated and androgen-independent causes of alopecia and acne in women. Literature review

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