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Background Hair loss is a common problem with multifactorial aetiologies and poor response to treatment making it more tormenting for psychosocial well-being. Diagnosis and treatment of hair disorders is of utmost importance. Trichoscopy serves as an easy office tool that aids in the early diagnosis and monitoring of the disease progression and treatment response. Methods A total of 200 patients presenting with the complaints of hair loss were diagnosed on the basis of history and clinical examination for non-cicatricial alopecia. Dermatoscopic examination was done with dermlite DL4 dermatoscope. The various hair follicle and hair shaft patterns were studied and pictures were taken. The results were tabulated and expressed as percentages. Results Out of 200 patients, 103 were females and 97 were males. The mean age of the presentation in the current study was 36.26 years±13.49 years. The various hair follicle patterns observed were black dots and yellow dots. The hair shaft patterns observed included broken hair, tapering hair, hair thickness heterogeneity, split ends and upright regrowing hair. Conclusion Trichoscopy has a definite role in the diagnosis of hair and scalp disorders. It also aids in evaluation of disease activity, it's severity and guides the clinician for the treatment plan. [ABSTRACT FROM AUTHOR]

The article offers information on nicotinamide, also known as Vitamin B3, the pyridine 3 carboxylic acid amide form of niacin. It discusses nicotinamide's metabolism, biological effects, uses in dermatological disorders, role in atopic dermatitis and in autoimmune skin disorders, antiageing effect, anticarcinogenic and photoprotective effect, and so on.

Nasal tuberculosis is a rare clinical entity even in developing countries where tuberculosis of respiratory tract is extremely high. It becomes more difficult to diagnose if it presents with symptoms which are not commonly associated with nasal tuberculosis. Here we report the diagnosis, treatment and follow up of a rare case of primary nasal tuberculosis of olfactory groove region. Early diagnosis and timely treatment will certainly reduce the morbidity of this disease. [ABSTRACT FROM AUTHOR]

The article reports on a case of 50-year-old man diagnosed with extradigital glomus tumor. The man has a history of a painful area on his left knee with transient pain and precipitates touch and light contact. It was observed to have reddish erythematous macule on the lower part of the left knee. It is important of keeping clinical suspicion for the diagnosis of glomus tumor.

A response by Trilokraj Tejasvi, Vinod K. Sharma and Jasleen Kaur to a letter to the editor about their article "Determination of minimal erythemal dose for narrow bandultraviolet B radiation in north Indian patients: Comparison of visual and Dermaspectrometer® readings" in the previous issue is presented.