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Dr Koshy Johnson shares photos of common conditions that have presented in an unusual location or as a severe case
Alopecia areata of the chin – hair loss in a
This is a less common site for alopecia areata. It is thought to be related to the immune system causing hair loss in a well-defined area. The commonest site is the scalp, but it can occur in the beard (as seen here), eyelashes and eyebrows. Exclamation-mark hairs may be seen around the edge of enlarging areas. In most cases the hair grows back without intervention. Triamcinolone given intralesionally is the most effective way of triggering hair regrowth.
Strawberry naevus – capillary cavernous haemangioma
This infant had a large capillary haemangioma
of her lip. This has gradually reduced in size. Ulceration may occur on haemangiomas
located on the lips. If this occurs then usage of topical/ systemic antibiotics may be indicated and cleansing of the ulcer may be needed.
of the face
This man had quite severe impetigo affecting his chin, nostrils and ear. Typical areas of exudation and yellowish crusting are seen.
He was treated with mupirocin and systemic antibiotic. Common organisms for thiscondition are Staphylococcus aureus and Streptococcus pyogenes.