35 citations
,
July 2007 in “Dermatologic clinics” Facial dark spots can be caused by the sun, genetics, makeup, or medicine, and are diagnosed by patient history and skin tests.
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.
13 citations
,
March 1997 in “Research in Veterinary Science/Research in veterinary science” Epithelial proliferation and hyperkeratosis are linked to gastric ulcers in pigs.
9 citations
,
December 2012 in “Indian Journal of Dermatology Venereology and Leprology” Two sisters had rare, widespread cysts and complete hair loss, suggesting a genetic link.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
November 2023 in “The Bovine practitioner” A bull got very sick and had to be put down after eating hairy vetch for months.
9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
6 citations
,
April 2012 in “Lasers in surgery and medicine” Laser hair removal can cause a severe itchy rash in some allergic individuals, treatable with steroids.
March 2023 in “International Journal of Dermatology” Non-itchy rashes can indicate serious diseases like lupus.
20 citations
,
April 1959 in “A M A Archives of Dermatology” Alopecia mucinosa causes red, raised skin patches and hair loss.
May 2014 in “Clinical and Experimental Dermatology” A 70-year-old woman with a rare skin condition improved after treatment with topical steroids and acitretin.
19 citations
,
May 1992 in “International Journal of Dermatology” Some alternative vitiligo treatments show promise, but none are as effective as psoralens and UVA.
21 citations
,
February 2017 in “Dermatologic surgery” Different techniques for vitiligo treatment work similarly well, with some better for specific body areas.
1 citations
,
October 2018 in “Madridge journal of dermatology & research” A young child with alopecia areata and psoriasis improved with treatment, suggesting a link between the two conditions.
The woman has a scalp condition causing hair loss.
9 citations
,
September 2009 in “Journal of Cutaneous Medicine and Surgery” UV light causes skin color loss in bald areas; wear a cap and use sunscreen.
10 citations
,
April 2020 in “Journal of Mind and Medical Sciences” Excimer laser therapy can be an alternative for treating superficial morphea when topical steroids don't work.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
14 citations
,
April 2016 in “British Journal of Dermatology” The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.
64 citations
,
August 1977 in “PubMed” Skin changes help detect graft-versus-host reaction early after bone marrow transplants.
10 citations
,
July 2014 in “Annals of Saudi Medicine” A 30-year-old man with rare skin conditions improved with antibiotics and surgery, hinting at a link to rosacea.
January 2022 in “Clinical Cases in Dermatology” A woman's scalp nodule was a common, harmless pilar cyst, treated by surgical removal.
4 citations
,
August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
3 citations
,
May 2018 in “The American Journal of Medicine” A woman's long-term scalp issues were diagnosed as a rare skin disorder called cutaneous Langerhans cell histiocytosis.
5 citations
,
August 2021 in “Experimental dermatology” Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
5 citations
,
March 2012 in “Veterinary dermatology” A cat developed a skin lesion from a topical solution, which healed with minoxidil treatment.
October 2025 in “Portuguese Journal of Dermatology and Venereology” Accurate diagnosis of facial skin tumors requires detailed analysis to distinguish between benign and malignant types.
November 2025 in “The Journal of Dermatology” Chemical leukoderma is temporary, while chemical-induced vitiligo can be persistent and harder to treat.
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.
December 2025 in “Cureus” Localized dystrophic epidermolysis bullosa (DEB) can lead to scarring alopecia, highlighting the need to recognize and address this complication.