Bald spot at the top of the head: what it may indicate

Gradual thinning around the crown differs from a sharply bounded bare patch. Looking at the border, remaining hairs, and scalp surface helps a clinician narrow the possibilities.

Pattern hair loss often produces widening visibility of the scalp at the crown while fine hairs remain. Alopecia areata can present with a smooth round or oval patch. Scale, itch, crusting, or hairs broken at different lengths can accompany scalp ringworm or another inflammatory disorder. A hair whorl and bright overhead lighting may also make normal scalp more visible, so compare photographs taken with the same hairstyle, angle, and lighting rather than relying on a single mirror view.

Use a mirror or ask someone to photograph the crown clearly. Note whether shedding increased, the patch appeared suddenly, or the skin is itchy, sore, flaky, or shiny. Continue gentle washing and avoid scratching, tight styling, aggressive brushing, or unprescribed products that burn the scalp. A dermatologist can use magnification to distinguish miniaturised hairs, broken shafts, inflammation, and lost follicle openings. Tests are selected from the examination rather than the location by itself.

Book medical review when the area expands, develops scale or pain, sheds in clumps, or is joined by patches elsewhere. Prompt assessment is particularly useful if the scalp is shiny or scar-like because some inflammatory causes can damage follicles. Obtain urgent help for fever with painful swelling, rapidly extending redness, drainage, or swelling involving the face. A child with crown scaling and broken hairs should be evaluated for a contagious fungal infection.

Ask whether the change is true hair loss or altered hair calibre, whether inflammation or infection is visible, and whether any medicines or recent illness could be relevant. Request a clear explanation of the likely diagnosis, treatment goals, signs of regrowth, and the point at which the plan should be reconsidered.