4 citations
,
July 2014 in “International Journal of Dermatology” Twins had rare skin cysts likely due to genetics.
7 citations
,
June 2017 in “Journal of Cutaneous Pathology” Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
Basaloid follicular hamartoma is a rare, benign skin growth often misdiagnosed.
June 2023 in “JAAD case reports” A rare scalp condition, cutis verticis gyrata, was found in a woman with primary scarring alopecia.
56 citations
,
November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
February 2026 in “Clinical Cosmetic and Investigational Dermatology” Inverted Follicular Keratosis is rare but should be considered in scalp lesion diagnoses for all ages.
18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
1 citations
,
December 2019 in “American journal of ophthalmology. Case reports” A rare skin condition caused droopy and outward-turning eyelids in a patient.
5 citations
,
January 2017 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Porokeratotic eccrine and hair follicle nevus is a very rare skin disorder possibly caused by a GJB2 gene mutation.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
January 2022 in “Autopsy and Case Reports” A man had a non-cancerous neck tumor related to hair follicles removed with no return of the tumor.
September 2025 in “Annals of Plastic Surgery” Inverted follicular keratosis on the eyelid can be cured with surgery and has a great prognosis.
2 citations
,
August 2008 in “Oncotarget” Apoptosis in hair follicles spreads through cell death signals, with stem cells slowing the process.
2 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
March 2026 in “The Journal of Dermatology” Hair transplantation in nevus sebaceus maintains hair cycling but doesn't prevent tumor growth; complete excision is recommended.
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.
24 citations
,
February 2007 in “International Journal of Dermatology” A woman with cervical cancer had rare scalp metastasis causing a unique type of hair loss.
4 citations
,
January 2019 in “Indian Dermatology Online Journal” The term "Porokeratotic Adnexal Ostial Nevus" is suggested as a more appropriate name.
January 2018 in “Springer eBooks” Congenital triangular alopecia is a harmless, non-spreading hair loss condition often seen in young children.
January 2022 in “Journal of clinical and diagnostic research” A rare skin bump with tiny hairs was successfully removed from a man's face.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
28 citations
,
June 2007 in “Journal of Cutaneous Pathology” IRS premature desquamation is not unique to CCCA and occurs in various scarring alopecias.
6 citations
,
June 2010 in “Dermatologica Sinica” Panfolliculoma is a rare, non-cancerous growth related to hair follicles.
3 citations
,
September 2020 in “Case reports in dermatological medicine” Misdiagnosing kerion as a bacterial infection can lead to unnecessary surgery and permanent hair loss.
1 citations
,
May 2024 in “Dermatology Online Journal” Scalp pemphigus vulgaris can be effectively treated with low-dose prednisone and triamcinolone.
1 citations
,
January 1995 in “Skin Cancer” Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
1 citations
,
December 2023 in “Journal of Clinical Medicine” Scalp melanomas are more dangerous and likely to recur or cause death than other head and neck melanomas.
October 2025 in “The Sri Lanka Journal of Dermatology” Inverted follicular keratosis can look like cancer but is actually a harmless tumor.
14 citations
,
February 2003 in “Journal of the American Academy of Dermatology” Folliculotropic mycosis fungoides can affect the central nervous system in advanced stages.
1 citations
,
March 2006 in “Journal of Cosmetic Dermatology” The woman's forehead lesion was caused by ointment use and resolved with treatment.