34 citations
,
January 1998 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Trichoblastomas may mimic fetal skin development by having many Merkel cells, unlike adult skin.
December 2022 in “The journal of pediatrics/The Journal of pediatrics” A young girl's foot lesion was actually a rare condition caused by a hair fragment under the skin, not a parasite.
16 citations
,
July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
December 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” MCPIP1 in myeloid cells is important for skin cancer development and healthy hair growth.
19 citations
,
July 2022 in “PNAS Nexus” Similar treatments might work for different types of scarring hair loss.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
9 citations
,
August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
March 2024 in “IP Indian journal of clinical and experimental dermatology” Giant solitary trichoepithelioma is a rare, usually non-cancerous hair follicle tumor that can sometimes turn into skin cancer.
9 citations
,
June 2011 in “American Journal of Dermatopathology” Molluscum contagiosum can occur in epidermoid cysts, especially with prolonged steroid use.
75 citations
,
September 1985 in “Archives of dermatology” Two boys had a rare skin condition needing to be differentiated from similar disorders, with unclear inheritance due to few cases.
3 citations
,
July 2013 in “Journal of Cutaneous Pathology” A woman's hair loss, resembling an autoimmune condition, improved after treatment, but requires ongoing checks due to potential serious associations.
2 citations
,
October 1931 in “Archives of Dermatology and Syphilology” A rare scalp infection in a child developed into a kerion with additional skin symptoms.
Basaloid follicular hamartoma is a rare, benign skin growth often misdiagnosed.
118 citations
,
January 1992 in “Experientia”
16 citations
,
January 2001 in “Clinical and Experimental Dermatology” Photodynamic therapy was effective in treating multiple scalp basal cell carcinomas with minimal side effects and good cosmetic results.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
8 citations
,
January 2014 in “Annals of Dermatology” The research suggests that p63 and TGF-β1 may help determine tumor type and malignancy in hair follicle and sebaceous tumors.
21 citations
,
June 1992 in “Pediatric Dermatology” Eruptive vellus hair cysts are often underreported and need histologic confirmation for accurate diagnosis.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
24 citations
,
July 2005 in “Journal of the American Academy of Dermatology” A woman's eyelashes grew thicker and longer after taking topiramate, but returned to normal when she stopped the medication.
January 2023 in “Indian dermatology online journal” Skin problems after waxing led to a sarcoidosis diagnosis.
2 citations
,
January 2025 in “Journal of Oncology Pharmacy Practice” Pembrolizumab can cause unusual eyelash growth, but it may still be worth continuing if cancer treatment is effective.
January 2011 in “Reactions Weekly” Long-term use of minoxidil may cause hair follicles to transform into noticeable terminal hairs, leading to trichostasis spinulosa.
15 citations
,
November 1998 in “Australasian Journal of Dermatology” Cicatricial pemphigoid rarely affects the scalp but is hard to treat when it does.
1 citations
,
February 2017 in “Clinical Dermatology Open Access Journal” A rare benign tumor was found in a man's scrotum, highlighting the need for accurate diagnosis.
4 citations
,
January 2019 in “Indian Dermatology Online Journal” The term "Porokeratotic Adnexal Ostial Nevus" is suggested as a more appropriate name.
January 2023 in “Indian Dermatology Online Journal” Micropigmentation is a cosmetic tattooing technique for hiding skin issues and creating permanent makeup, but it can have side effects.
143 citations
,
October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.