Telogen and Anagen Effluvium: A Comprehensive Overview
Hair loss is a common problem that can have a significant impact on an individual's quality of life. Telogen effluvium (TE) and anagen effluvium (AE) are two types of hair loss that can occur due to various factors. It is important to note…
Androgenetic Alopecia (MPHL & FPHL)
Overview of Androgenetic Alopecia
Androgenetic alopecia is an androgen-dependent hereditary disorder characterized by the progressive transformation of terminal hairs into indeterminate hairs, and then vellus hairs. The inheritance is polygenic,…
Alopecia Areata
Background
Alopecia areata is an autoimmune condition that causes the body to attack the hair follicles, resulting in hair loss. Typically, this condition is characterized by round patches of non-scarring hair loss; and occasionally, nails…
Netherton Syndrome
Netherton syndrome is a rare genetic disorder that affects the skin, hair, and immune system. It is caused by mutations in the SPINK5 gene, which provides instructions for making a protein called LEKTI. LEKTI plays a crucial role in regulating…
Piebaldism
What is piebaldism
Piebaldism is an uncommon inherited pigmentation disorder manifesting at birth with patchy leukoderma (white skin) and white hair (poliosis). Consequently, the most prominent trait of piebaldism is a white forelock (a patch…
Melanoma
Overview & Epidemiology of Melanoma
Melanoma is a malignant tumor that arises due to the uncontrollable growth of melanocytes (pigmented cells). Melanoma is the fifth most common cancer among men and women in the United States. The superficial …
Necrobiosis Lipoidica Diabeticorum
Epidemiology of NLD
Necrobiosis lipoidica diabeticorum (NLD) is a rare granulomatous skin disorder that has a female predominance, with an approximate ratio of 3:1. It has been linked to diabetes mellitus; as up to 65% of NLD patients …
Drug-induced Alopecia
Alopecia from drugs is a usually reversible nonscarring diffuse hair loss that occurs within days to weeks of starting a new medication or changing the dose.
There are two types of drug-induced hair loss:
● Anagen effluvium – the she…
Pityriasis Rosea
Pityriasis rosea is an acute exanthem of unknown etiology that is self-limiting and resolves within one to three months. It is a common skin disorder with distinctive erythematous oval scaly eruption of the trunk and limbs, characterized by…
Kimura disease
Kimura disease is a rare autoimmune disorder that causes lymphadenopathy, a condition in which lymph nodes become enlarged. It is caused by an abnormal immune response to a viral infection, which results in the production of autoantibodies…
Trichomycosis Axillaris
What is the cause of Trichomycosis Axillaris?
Trichomycosis axillaris, also known as trichobacteriosis is a superficial bacterial infection of the underarm hairs caused by Cornyebacterium sp.
What is the clinical presentation?
The …
Poikiloderma of Civatte
Poikiloderma of civatte is a chronic benign skin condition. It is characterised by a triad of skin atrophy, hyper\hypopigmentation and telangiectasia. It is most commonly seen in middle aged fair-skinned people, especially…