15 citations
,
January 2014 in “Dermatology” Some patients with a type of skin lymphoma can experience a rare, non-scarring hair loss that looks like another hair loss condition but has distinct features.
July 2003 in “British Journal of Dermatology” Some skin conditions are associated with other serious diseases, and office microscopy may miss many fungal infections.
13 citations
,
August 2017 in “International Journal of Dermatology” Trichoscopy helps quickly identify autoimmune diseases on the scalp but should be used with other standard tests.
12 citations
,
January 2005 in “Pediatric Dermatology” Fox Fordyce disease might be more common in prepubertal girls than thought and can be managed with treatment.
14 citations
,
January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
Pseudopelade is likely an independent disease due to its distinct features.
27 citations
,
February 1988 in “Journal of the American Academy of Dermatology” The skin condition Ulerythema ophryogenes did not improve with treatment in a patient with other birth defects.
December 2024 in “Indian Journal of Veterinary Public Health” Argentine-cross polo ponies commonly develop sarcoid tumors with distinct types and histopathological features.
3 citations
,
November 2018 in “Curēus” The cause and importance of misplaced oil glands in the hair follicle are not well understood.
January 2012 in “Journal of Investigative Dermatology” Some Greek melanoma patients have gene mutations linked to increased cancer risk, a new color feature helps diagnose melanoma, the incidence of a skin condition in the Netherlands is rare, and a gene possibly affects male-pattern baldness.
January 2011 in “Journal of The American Academy of Dermatology” Two patients had a rare combination of red skin spots and white scaly skin lesions not on the genitals.
2 citations
,
October 2000 in “Journal of Investigative Dermatology” AUC and APL are distinct conditions needing careful clinical assessment.
February 2013 in “Journal of the American Academy of Dermatology” Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.
August 2025 in “International Journal of Clinical Dermatology” A new skin cancer can develop where shingles once occurred.
1 citations
,
September 2001 in “PubMed” Phenytoin, a medication, can cause hair loss and trigger a condition similar to lupus.
January 2019 in “SAGE Open Medical Case Reports” A scalp biopsy revealed systemic amyloidosis in a woman who initially seemed to have a common hair loss condition.
May 2017 in “Journal of the American Academy of Dermatology” September 2025 in “Journal of Veterinary and Animal Sciences” Nine hair follicle tumors were found in dogs.
15 citations
,
January 2012 in “International Journal of Trichology” Hair casts on the scalp may be a sign of ongoing pemphigus vulgaris and could suggest a need to adjust treatment.
September 2022 in “IP Indian journal of clinical and experimental dermatology” An 8-year-old girl has a rare genetic disorder causing complete, irreversible hair loss and skin bumps.
5 citations
,
August 2020 in “Curēus” The document concludes that recent studies help tell apart desmoplastic trichoepitheliomas from other skin tumors, but more research is needed for clear differentiation.
June 2023 in “Dermatology reports” The link between pemphigus and the patient's scarring hair loss is still unclear.
February 2025 in “Veterinary Clinical Pathology” The ferret had a malignant apocrine gland tumor and did not survive surgery.
13 citations
,
March 2011 in “British Journal of Dermatology” A woman with scalp lymphoma and hair loss improved with radiotherapy, highlighting the need for biopsies in similar cases.
6 citations
,
July 2011 in “British Journal of Dermatology” A man with KID syndrome developed a rare cancer in a long-term skin infection.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” A girl with excessive hair growth had a genetic change on chromosome 17 that reduced the activity of two genes linked to hair growth.
21 citations
,
October 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific gene change plus an additional mutation in the same gene cause hereditary trichilemmal cysts.
15 citations
,
May 1989 in “PubMed” Psoriasis on the scalp causes smaller oil glands and thinner hair but doesn't lead to hair loss.
April 2020 in “International journal of research in dermatology” An 8-year-old girl has a rare, irreversible hair loss condition caused by a genetic mutation.
18 citations
,
December 2006 in “Clinical dysmorphology” A 2-year-old boy with a rare brain malformation may have Gomez–López-Hernández syndrome.