Dr Jeffrey Kalei

Keratoacanthoma is a rapidly growing, self-resolving, low-grade cutaneous tumour; it is often mistaken for squamous cell carcinoma. It presents as a solitary, dome-shaped nodule with a central keratin-filled crater.

Intertigo is dermatitis affecting skin folds. It is commonly complicated by a secondary fungal infection. It appears as an erythematous rash on a skin fold.

Hyperhidrosis refers to sweating excessively, beyond the physiological needs of thermoregulation and emotional stimuli. Classification of hyperhidrosis Classification Features Primary hyperhidrosis Affects specific body regions, e.g., axilla, palms, plantar area, craniofacial area, or inguinal region Secondary hyperhidrosis Generalized sweating (due…

Dermatitis herpetiformis is a chronic, pruritic, autoimmune, blistering skin condition. It is the cutaneous manifestation of coeliac disease. It presents as clusters of small vesicles or papules on the extensor surfaces (elbows, knees, and buttocks). It peaks at 30 –…

Androgenic alopecia is also known as “male-pattern baldness”. Women actually lose hair at about the same rate as men. However, they don’t lose it in a male pattern – but more generally, female pattern hair loss About 25% of women have…

Alopecia areata is an autoimmune, non-scarring, localised hair loss. In normal conditions, hair follicles are immune-privileged sites. This immune privilege is disrupted in alopecia areata, thereby allowing autoreactive T-cells to target hair follicles. Inflammation disrupts normal hair cycling (hair follicles…

Anagen effluvium is a non-scarring hair loss that occurs when the growth phase (anagen) is disrupted. It is reversible, with hair regrowing 3-6 months after the cause is stopped.

Telogen effluvium is a non-scarring hair loss characterised by a greater proportion of hairs that are in telogen. It commonly occurs after periods of stress (childbirth, blood loss, high fevers and major bone fractures). Hair loss is noted during the…