IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) e-ISSN: 2279-0853, p-ISSN: 2279-0861.Volume 18, Issue 1 Ser. 10 (January. 2019), PP 29-31 www.iosrjournals.org DOI: 10.9790/0853-1801102931 ww.iosrjournals.org 29 | Page Trichoscopy in Alopecias Manmohan 1 , Savita Agarwal 2 , Anand Sharma 3 , Manisha Nijhawan 4 , Shivi Nijhawan 5 , Subhash Bishnoi 6 1,2,3,4,5,6 (Department of Dermatology, Mahatma Gandhi Medical College & Hospital, Jaipur, Rajasthan-302022, INDIA) Corresponding Author: Manmohan Abstract Background: Alopecia is a common scalp disorder. Now a days trichoscopy is emerging as an important tool in diagnosis of various scalp alopecias. Objective: To observe trichoscopic findings of various cicatricial and non cicatricial scalp alopecias. Methods: A hospital based observational study was performed in one hundred consecutive patients with alopecia. Detailed history, clinical examination, investigation and trichoscopy was performed using a non-polarized trichoscope. Result: Out of one hundred patients majority were Alopecia areata (42%) followed by Androgenetic alopecia (35%), Lupus erythematosus(4%),Tinea capitis(7%), Telogen effluvium(5%) and Trichotillomania(1%). In Alopecia areata yellow dots were the most common finding followed by black dots and exclamation marks. In AGA yellow dots, thin and vellus hair were seen. In Telogen effluvium most common finding was thining of hair. In lichen plano pilaris perifollicular inflammation and perifollicular silver white scaling was seen. In tinea capitis comma hair was most common finding followed by cadaverised hair. In trichotillomania broken hair and cadaverized hair were seen. Limitations: the small number of patients in various types of alopecia was a limiting factor. Conclusions: Trichoscopy is a very simple, cost effective and non invasive diagnostic tool in hair and scalp disorders, help in differentiating some of the difficult cases of alopecia. Keywords: Alopecia, Trichoscopy, Cicatricial, Non cicatricial. --------------------------------------------------------------------------------------------------------------------------------------- Date of Submission: 05-01-2019 Date of acceptance: 21-01-2019 --------------------------------------------------------------------------------------------------------------------------------------- I. Introduction Alopecia is a common scalp condition which is defined as complete or partial loss of hair from scalp and other hair bearing sites of the body 1 . Alopecia is broadly classified into non cicatrical and cicatricial 2 . It is sometimes difficult to diagnose alopecia and treat such patients 3 . Dermatoscope is a modern diagnostic tool which is very simple, non invasive and bed side test used to study the pattern of skin lesions and subsurface skin structures not normally visible to the unaided eye 2 . The basic principle of dermoscopy is transillumination of a lesion 10 . Trichoscopy is a term coined for dermatoscopic imaging of scalp and hair 8 . II. Aims And Objective This study was conducted to observe the trichoscopic findings of various cicatricial and noncicatricial scalp alopecias and to explore the utility of dermoscopy in the examination and diagnosis of various hair loss disorders. III. Method It is a hospital based observational study conducted in dermatology department at Mahatma Gandhi hospital, Jaipur between january 2018 to june 2018. Hundred consecutive patients with alopecia were enrolled in this study after getting permission from ethical committee. Patients with active secondary bacterial infection, non consenting and uncooperative patient were excluded. Detailed history including dermographic data, family history, underlying diseases and clinical examination were done and photographs were taken. Diagnosis was done clinically and histopathological examination was performed whenever needed. Hair shaft microscopy in case of hair shaft disorders and hormonal profile in case of female pattern hair loss were performed in needed patients. IV. Results To Our study included 100 alopecia patients. Maximum number of patients (41%) were in the age group of 20-30 years. Out of 100 patients, 70% were male and 30% were female. Non cicatricial alopecia out numbered the cicatricial alopecia with the ratio of 9:1.Most common pattern observed was of Alopecia areata seen in 42% patient followed by Androgenetic alopecia (35%), Lichen planopilaris (6%), Discoid lupus erythematosus(4%),Tinea capitis (7%), Telogen effluvium(5%) and Trichotillomania(1%). Trichoscopic findings in Alopecia Areata (fig 1.) patients were yellow dots (70%), black dots(60%), exclamation mark (50%), vellus hair (40%) and thin hair (33%). Fig.1 Characteristic Yellow dots, Black dots and Exclamation mark seen in Alopecia areata.