Case 455 (P. McKee) M 32 frontal baldness
Miniaturised vellus follicle. Fibrous “stellae”.
Rodrigo Restrepo (Medellin, Colombia) expert.
Case 1947 15.11.17 (A. Bakshi) F 29 hair loss top of scalp
Transverse sections. Main feature is miniaturisation of hair follicles (terminal:vellus 1:1), with ↑telogen count (20%). Some perifollicular inflammation (esp. at level of isthmus) can be seen as non-specific finding in androgenetic alopecia. Sebaceous glands preserved (which they wouldn’t be in a true scarring alopecia). No significant inflammation around hair bulbs or in stellae, which argues against AA.
Case 2179 16.10.18 (U. Sundram) F 40 diffuse hair loss (*teaching)
Mostly horizontal sections showing variation in follicle size with miniaturisation. Some fibroplasia but no inflammation.
Discussion on the advantages of horizontal sections cf. vertical (R. Carr)
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