January 1999 in “Journal of the European Academy of Dermatology and Venereology” RAPK is a rare skin disorder with pigmented spots, mainly on hands and feet, starting in youth.
January 2024 in “Rheumatology quarterly” Skin changes are key for early diagnosis and treatment of rheumatic diseases.
12 citations
,
January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
10 citations
,
September 1994 in “International Journal of Dermatology” Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
June 2025 in “British Journal of Dermatology” Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
25 citations
,
December 2008 in “Journal of Dermatological Case Reports” Skin color may change how alopecia areata looks under a dermoscope.
3 citations
,
March 2017 in “International journal of women’s dermatology” Some domesticated animals have the same genetic skin diseases as humans, which can help doctors understand human genetic mutations.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
20 citations
,
April 1959 in “A M A Archives of Dermatology” Alopecia mucinosa causes red, raised skin patches and hair loss.
3 citations
,
December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
20 citations
,
September 2005 in “Clinics in Dermatology” Some skin problems can be signs of diabetes or other metabolic diseases and recognizing them can help diagnose and treat these diseases early.
6 citations
,
June 1986 in “The Journal of Dermatology” Reticular erythematous mucinosis syndrome can occur with minimal mucin deposition.
The document concludes that dermatology training and grading scales need to better represent dark-skinned individuals to improve diagnosis and assessment of skin conditions.
1 citations
,
January 2013 in “Springer eBooks” The document concludes that skin and nail changes can indicate various underlying health conditions.
A man had a rare pigmented nodule on his scalp that developed from birthmarks.
20 citations
,
November 2004 in “Archives of Pathology & Laboratory Medicine” A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
November 2023 in “BMJ case reports” A man in his 30s had patchy hair loss on his leg due to primary follicular mucinosis.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
8 citations
,
January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
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.
April 2024 in “Indian dermatology online journal” A rare hair follicle disorder can cause itchy, bluish-black bumps on the body.
21 citations
,
November 2011 in “Veterinary Pathology” Mouse skin color ranges from pink to black, depending on their hair growth cycle.
4 citations
,
May 2008 in “Clinics in Dermatology” Skin problems can indicate different diseases inside the body.
9 citations
,
July 2010 in “British Journal of Dermatology” The document suggests a rare skin condition might be caused by a genetic phenomenon.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
March 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Facial hyperpigmentation improved with oral isotretinoin and ivermectin cream after Demodex mites were identified as the cause.
March 2019 in “eCommons (Cornell University)” The pony's skin condition improved significantly with prednisolone treatment.
7 citations
,
February 2012 in “Journal of cutaneous pathology” The document describes previously unreported unique skin changes in a rare genetic disorder called Hereditary mucoepithelial dysplasia.
January 2014 in “Redalyc (Universidad Autónoma del Estado de México)” A Persian cat had a rare skin condition that didn't improve with treatment.