Trichostasis spinulosa is a common but rarely diagnosed disorder of the hair follicles that clinically gives the impression of blackheads, but the follicles are filled with funnel-shaped, horny plugs that are bundles of vellus hairs.:768
Standard skin surface biopsy (SSSB) is a noninvasive method used for diagnosis.
This section is empty. You can help by adding to it. (July 2018)
- Gündüz, Özge; Aytekin, Asli (1 January 2012). "Trichostasis Spinulosa Confirmed by Standard Skin Surface Biopsy". International Journal of Trichology. 4 (4): 273–4. doi:10.4103/0974-7753.111201. PMC 3681110. PMID 23766613.
- James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.
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