4 citations
,
September 2015 in “JAAD case reports” Substance P may play a role in the inflammation seen in keratosis follicularis spinulosa decalvans.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The early genes of a specific virus can cause abnormal skin cell growth and hair follicle changes.
4 citations
,
August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
23 citations
,
January 2017 in “Current Rheumatology Reports” Unique fat cells near fibrotic areas contribute to systemic sclerosis progression.
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.
158 citations
,
February 2000 in “Archives of dermatology” Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.
3 citations
,
July 2024 in “Dermatology and Therapy” Hair shaft abnormalities can help distinguish mycosis fungoides from other skin conditions.
3 citations
,
January 2017 in “Acta Dermato Venereologica” Lipid-antigen stimulation may play a role in folliculotropic mycosis fungoides.
5 citations
,
March 2015 in “Indian Journal of Dermatology” Multiple trichofolliculomas can look like multiple trichoepitheliomas on the face.
26 citations
,
May 1988 in “Pediatric dermatology” Eruptive vellus hair cysts can run in families.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
1 citations
,
January 2019 in “Acta dermato-venereologica” The woman's skin and hair symptoms were confirmed as frontal fibrosing alopecia, and while facial papules are common in such cases, there's no effective local treatment, but systemic treatments can help.
The chapter concludes that certain skin diseases in bovines cause symmetrical, non-painful lesions and temporary hair loss due to stress.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
14 citations
,
January 2014 in “Annals of Dermatology” Some cases of folliculotropic mycosis fungoides may progress slowly and not need aggressive treatment.
14 citations
,
July 2004 in “Australasian Journal of Dermatology” Follicular mycosis fungoides can look like a B-cell lymphoma, making diagnosis difficult.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
2 citations
,
February 2009 in “Clinical and Experimental Dermatology” A man had rare skin tumors with bone formation and cholesterol deposits.
33 citations
,
February 2011 in “International Journal of Dermatology” Orange spots in scalp trichoscopy can help diagnose scalp sarcoidosis.
1 citations
,
April 2019 in “JAAD case reports” A woman with lymphoma had a rare skin rash on her scalp and forehead, which was hard to diagnose but responded well to treatment.
33 citations
,
March 2015 in “Experimental Dermatology” LHX2 and SOX9 identify unique hair follicle cell groups, crucial for hair maintenance.
16 citations
,
February 2010 in “Journal of the European Academy of Dermatology and Venereology” Fibrosing alopecia in a pattern distribution is a unique hair loss condition that may respond to antiandrogen therapy.
September 2012 in “Turkish Journal of Dermatology” Erythema multiforme-like lesions can occur in lupus without drug use or herpes infection.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EGFR deficiency causes significant changes in skin cells and hair follicles.
July 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Adipose tissue and eccrine gland displacement are common in certain alopecias but don't help differentiate between them.
9 citations
,
January 2002 in “Dermatology” Reduced CD44 expression may cause abnormal hyaluronate buildup in cutaneous myxoma.
July 2025 in “Journal of Investigative Dermatology” Resident memory T cells and necroptosis may drive fibrosis in eosinophilic fasciitis and morphea.
January 2026 in “Frontiers in Medicine” FFA and FAPD might be related or stages of the same disease.
18 citations
,
July 2010 in “Journal of the American Academy of Dermatology” Folliculotropic mycosis fungoides can look like alopecia areata.
June 2018 in “Chinese Journal of Dermatology” Connective tissue nevi have distinct features, and reflectance confocal microscopy is useful for early diagnosis.