18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
94 citations
,
October 2017 in “International Journal of Dermatology” Lichen planus pigmentosus causes dark skin patches and is treated by avoiding triggers and using anti-inflammatory medications.
2 citations
,
September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
July 2022 in “European Journal of Dermatology” Brodalumab is more effective than ustekinumab in treating psoriasis.
April 2015 in “Dentistry 3000” Premature hair graying in the face may be influenced by genetics and environment.
2 citations
,
July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
August 2016 in “Journal of the Portuguese Society of Dermatology and Venereology” Two women with darker skin had both frontal hair thinning and skin discoloration.
17 citations
,
January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
23 citations
,
September 2014 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Laser treatments are the most effective for porokeratotic adnexal ostial nevus.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
5 citations
,
January 2016 in “Skin appendage disorders” A rare skin condition called linear lichen planopilaris caused itchy red bumps and hair loss on a man's face.
8 citations
,
January 2011 in “International journal of trichology” Accurate diagnosis of APL is crucial to avoid unnecessary treatments.
October 2019 in “International journal of research in dermatology” Misusing topical corticosteroids can cause skin darkening and other side effects.
3 citations
,
April 2011 in “Journal of the American Academy of Dermatology” A 19-year-old man had a rare skin condition on one side of his face that looked like another skin disease.
5 citations
,
September 1989 in “Pediatric dermatology” Persistent papular plaques on children's faces need better understanding and treatment.
1 citations
,
March 2013 in “Journal of Dermatological Case Reports” A rare skin condition affected only the facial hair of a 46-year-old man.
July 2025 in “Pigment International” Follicular vitiligo causes hair to gray without skin color loss.
September 2023 in “Clinical, cosmetic and investigational dermatology” A patient with a rare form of lupus improved after treatment for skin ulcers and hair loss on the face and scalp.
May 2024 in “Indian Journal of Dermatology” The woman has a rare skin condition called follicular Dowling-Degos disease, which has limited treatment options.
21 citations
,
September 2015 in “Journal of the European Academy of Dermatology and Venereology” Yellow and orange colors are important for diagnosing certain skin conditions.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
July 1974 in “Archives of Dermatology” Ultraviolet light treatment with trioxsalen was ineffective for vitiligo in the cases described.
February 2026 in “HCA Healthcare Journal of Medicine” Recognizing keratosis pilaris in all skin tones helps diagnose related skin issues and reduce distress.
25 citations
,
December 2008 in “Journal of Dermatological Case Reports” Skin color may change how alopecia areata looks under a dermoscope.
April 2021 in “BMJ Case Reports” Accurate diagnosis of pseudolymphomatous folliculitis is crucial to avoid mistaking it for more serious conditions.
8 citations
,
November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
21 citations
,
December 2006 in “Archives of dermatology” A kidney transplant patient developed pink skin bumps with spiny centers on her face and limbs.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
December 2023 in “Journal of General Procedural Dermatology and Venereology Indonesia” A 61-year-old Filipino man had a skin condition that looked like another disease, making diagnosis difficult.
16 citations
,
July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.