May 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Pyoderma gangrenosum can occur in rheumatoid arthritis patients and may be mistaken for vasculitis.
7 citations
,
January 2008 in “Indian Journal of Dermatology” Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.
3 citations
,
May 2018 in “European Journal of Dermatology” Photodynamic therapy may not work for erythroplasia of Queyrat and could lead to invasive squamous cell carcinoma.
1 citations
,
July 2024 in “Journal of Investigative Dermatology” Plaquenil can cause a severe skin reaction called AGEP, requiring prompt diagnosis and treatment.
6 citations
,
January 2019 in “Journal of feline medicine and surgery open reports” A cat with severe skin issues improved with dexamethasone and cetirizine.
7 citations
,
January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
19 citations
,
May 1992 in “International Journal of Dermatology” Some alternative vitiligo treatments show promise, but none are as effective as psoralens and UVA.
4 citations
,
April 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Krt16-deficient mice help understand skin disorders like PC and FNEPPK.
A boy on a ketogenic diet and anti-epileptic drugs developed skin issues due to stopping vitamin supplements, which improved with proper supplementation.
2 citations
,
January 2017 in “Journal of Pigmentary Disorders” Vitiligo causes white skin patches and can lead to psychological stress.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
7 citations
,
April 2004 in “International Journal of Dermatology” The newborn's skin blistering is due to a genetic condition called epidermolytic hyperkeratosis.
Bovines can have rare inherited skin diseases with specific symptoms like hair loss, fragile skin, and abnormal porphyrin buildup.
12 citations
,
June 2010 in “Journal of dermatology” Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
16 citations
,
October 2013 in “Anais Brasileiros de Dermatologia” Scalp condition healed with prednisone and tacrolimus.
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.
September 2012 in “Turkish Journal of Dermatology” Erythema multiforme-like lesions can occur in lupus without drug use or herpes infection.
February 2022 in “Brazilian Journal of Health Review” Most cases were lichen planus pigmentosus, highlighting the need for accurate diagnosis for proper treatment.
January 2014 in “ACTA SCIENTIAE VETERINARIAE” The cat's skin condition was resistant to treatment and did not improve.
3 citations
,
January 1984 2 citations
,
July 2009 in “Mayo Clinic Proceedings” A 66-year-old woman with skin lesions and other symptoms improved after treatment for porphyria cutanea tarda.
September 2024 in “Dermatologica Sinica” Ponatinib can cause a rare skin reaction that resolves with topical treatment and temporary drug discontinuation.
44 citations
,
July 2013 in “Journal of the American Academy of Dermatology” Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.
June 2025 in “Australasian Journal of Dermatology” Pigmented rings with central clearing help diagnose melasma more accurately.
December 2024 in “Annals of Medicine and Surgery” Early diagnosis of pseudopelade of Brocq in men is crucial to prevent permanent hair loss.
January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
10 citations
,
November 2016 in “Clinical and experimental dermatology” PAS III can cause multiple autoimmune diseases with noticeable skin issues.
3 citations
,
March 2021 in “Cureus” A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.
2 citations
,
June 2021 in “PubMed” Chronic scalp lesions with crusts and pus indicate Erosive Pustular Dermatosis, which is confirmed by biopsy and effectively treated with strong topical steroids.