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Chronic Telogen Effluvium — SCE Dermatology MCQ

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HardHair DisordersChronic Telogen EffluviumSCE Dermatology

A woman has diffuse crown thinning. Scalp biopsy shows marked follicular miniaturisation and a terminal-to-vellus hair ratio of 3:1 without significant inflammation. What is the diagnosis?

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Correct answer: C — Female pattern hair loss

Follicular miniaturisation and a reduced terminal-to-vellus ratio support female pattern hair loss. Chronic telogen effluvium retains normal follicular calibre and density but increases the proportion of telogen follicles.

Reference: https://academic.oup.com/bjd/pages/bad-guidelines