2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
3 citations
,
November 2019 in “The American Journal of Dermatopathology” Widened sweat ducts are a very specific sign of scarring hair loss.
September 2021 in “CRC Press eBooks” Acne keloidalis nuchae is a hair loss condition affecting men of African descent, causing scar-like bumps on the scalp and neck.
June 2026 in “Indian Dermatology Online Journal” A supernumerary nipple was correctly identified using dermoscopy, avoiding misdiagnosis.
81 citations
,
August 1979 in “Archives of Dermatology” Trichofolliculomas can sometimes be more aggressive than thought.
2 citations
,
November 2020 in “The American journal of dermatopathology/American journal of dermatopathology” Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
2 citations
,
January 2022 in “International journal of trichology” Eruptive vellus hair cysts are often missed in diagnoses.
April 2025 in “Veterinary Dermatology” Dermoscopy is useful for identifying skin lesions in dogs, with specific features distinguishing infundibular keratinising acanthomas from follicular cysts.
6 citations
,
April 2013 in “British Journal of Dermatology” Hidradenitis suppurativa is likely caused by blocked hair follicles, not apocrine glands.
25 citations
,
January 2006 in “Journal of the European Academy of Dermatology and Venereology” A new technique effectively treats and diagnoses eruptive vellus hair cysts without recurrence.
December 2017 in “Canadian journal of ophthalmology” A rare skin condition was misdiagnosed as a harmless mole on a woman's eyelid.
October 2025 in “Pediatric Dermatology” A 16-year-old boy's facial condition improved with doxycycline, suggesting an immune response to hair follicle damage.
17 citations
,
August 2018 in “Journal der Deutschen Dermatologischen Gesellschaft” Researchers found that dissecting folliculitis of the scalp is linked to obesity, severity increases with duration and number of nodules, and early treatment is important to prevent scarring.
6 citations
,
January 2017 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” A rare hair follicle tumor was found on a woman's vulva.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
14 citations
,
July 2004 in “Australasian Journal of Dermatology” Follicular mycosis fungoides can look like a B-cell lymphoma, making diagnosis difficult.
7 citations
,
March 2018 in “Experimental Dermatology” Acne lesions don't show increased keratinocyte growth compared to healthy hair follicles.
Fgf20 helps form hair follicle structures by stopping cell division and increasing cell movement.
March 2022 in “Folia Medica Indonesiana” The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
August 2024 in “Skin Research and Technology” TAF can be identified by excessive skin thickening and clogged hair follicles, helping distinguish it from similar skin conditions.
14 citations
,
July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
7 citations
,
January 1990 in “Archives of Dermatological Research” Syringomas likely start in the upper dermis and form distinct luminal structures.
3 citations
,
July 2013 in “Journal of Cutaneous Pathology” A woman's hair loss, resembling an autoimmune condition, improved after treatment, but requires ongoing checks due to potential serious associations.
10 citations
,
January 2018 in “International journal of trichology” Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.
3 citations
,
December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
January 2018 in “The Kaohsiung journal of medical sciences” A young man had a rare case of hair cysts on his elbows, which was hard to diagnose and treat.
50 citations
,
December 2017 in “Nanoscale” Polymeric micelle nanocarriers deliver adapalene more effectively to hair follicles than commercial products.
66 citations
,
October 2003 in “Dermatologic clinics” Excision and laser techniques can effectively treat acne keloidalis nuchae.
68 citations
,
February 2015 in “Journal of the European Academy of Dermatology and Venereology” Early onset and pustules indicate severe hair follicle inflammation, and while antibiotics help, the condition often worsens after treatment stops.
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.