97 citations
,
January 1999 in “International Journal of Dermatology” Pityriasis rubra pilaris is a rare skin disorder with reddish-orange patches and thickened skin, needing better treatment understanding.
June 2023 in “International Journal of Dermatology” Lichen planus pigmentosus mainly affects middle-aged women with darker skin, is underreported, and is hard to treat.
April 2017 in “Journal of Investigative Dermatology” The study found a link between the severity of Lichen Planopilaris seen by doctors and the details seen under a microscope, and created a new way to measure this severity.
6 citations
,
January 2019 in “Journal of feline medicine and surgery open reports” A cat with severe skin issues improved with dexamethasone and cetirizine.
8 citations
,
November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
2 citations
,
December 2017 in “PubMed” A long-term pubic rash was finally diagnosed as white piedra and cured with ketoconazole.
12 citations
,
May 2023 in “Molecules” Polygoni Cuspidati Rhizoma et Radix contains compounds that inhibit certain enzymes.
1 citations
,
July 1973 in “British Journal of Dermatology” The document concludes that secondary syphilis cases are increasing and often misdiagnosed, pityriasis rubra pilaris can be distinguished from psoriasis by skin cell features, and different skin layers produce specific components during skin repair.
February 2026 in “International Journal of Homoeopathic Sciences” Plica Polonica is a rare hair disorder causing severe matting, managed by detangling or cutting, and prevented with regular hair care.
July 2025 in “Journal of Investigative Dermatology” Upadacitinib effectively treats pyoderma gangrenosum.
April 2012 in “Informa Healthcare eBooks” Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.
21 citations
,
November 2019 in “Molecular & Cellular Proteomics” Citrullinated proteins from Porphyromonas gingivalis may contribute to rheumatoid arthritis.
June 2025 in “Australasian Journal of Dermatology” Pigmented rings with central clearing help diagnose melasma more accurately.
March 2023 in “International Journal of Dermatology” Non-itchy rashes can indicate serious diseases like lupus.
2 citations
,
June 2020 in “Dermatology and therapy” Narrowband-UVB phototherapy successfully treated a rare case of Graham Little-Piccardi-Lassueur syndrome.
September 2011 in “Archives of dermatology” The child was diagnosed with cutaneous leishmaniasis.
July 2025 in “Journal of Clinical Medicine” Platelet-rich concentrates can be an alternative treatment for oral lichen planus, especially when steroids don't work.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
January 2018 in “JAMA dermatology” Facial papules can occur with lichen planopilaris.
138 citations
,
November 2015 in “Journal of Pharmacology and Experimental Therapeutics” Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.
3 citations
,
October 2019 in “JAAD Case Reports” Two patients with lupus had an unusual type of hair loss not typical for the disease but improved with treatment.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
4 citations
,
November 2016 in “Journal of Cutaneous Pathology” Three characteristics of plasmacytoid dendritic cells help tell apart lupus-related hair loss from LPP.
October 2015 in “The American Journal of Gastroenterology” Allopurinol may cause rare granulomatous microscopic colitis.
September 2025 in “Cureus” Plica neuropathica can occur with diffuse alopecia and should be considered in diagnosis.
21 citations
,
December 2006 in “Archives of dermatology” A kidney transplant patient developed pink skin bumps with spiny centers on her face and limbs.
January 2021 in “Nasza Dermatologia Online” Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.
June 2023 in “Clinical Cosmetic and Investigational Dermatology” Pentoxifylline effectively improves pretibial pruritic papular dermatitis.
2 citations
,
June 2009 in “Journal of the American Academy of Dermatology” The treatment didn't work for the woman's hair loss and skin darkening.