3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
1 citations
,
February 2017 in “The American journal of dermatopathology/American journal of dermatopathology” A man with a skin nodule was diagnosed with a rare skin condition called cutaneous focal mucinosis, which can be confused with other skin cancers.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
September 2021 in “CRC Press eBooks” Acne keloidalis nuchae is a hair loss condition affecting men of African descent, causing scar-like bumps on the scalp and neck.
18 citations
,
January 2013 in “Dermatology Online Journal” Trichofolliculoma is a rare skin bump on the face or scalp.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
June 2021 in “Nepalese Journal of Ophthalmology” A 62-year-old woman got a lump on her eyelid from tiny mites, which is the first time this has happened.
13 citations
,
February 2002 in “Archives of dermatology” A 32-year-old woman's hair loss was linked to skin nodules and severe headaches.
October 1991 in “Archives of Dermatology” The woman has a skin condition involving nodules, scars, and hair loss.
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.
4 citations
,
August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
March 2021 in “Revista da Associação Médica Brasileira” June 2023 in “Dermatopathology” A woman had a unique skin growth with hair follicle, oil glands, fat cells, spindle cells, and nerve fibers.
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 2026 in “Dermatopathology” A rare skin tumor with extra hair growth was found and safely removed from a 27-year-old woman.
September 2020 in “Advances in anatomic pathology” A woman's large nose growth was initially misdiagnosed, but later confirmed to be giant rhinophyma after full removal and examination.
13 citations
,
February 1980 in “Journal of Cutaneous Pathology” Rubbing seborrheic keratoses causes specific skin changes and may link them to hair follicles.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
5 citations
,
March 1943 in “Archives of Dermatology and Syphilology” A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
September 2024 in “The Journal of Dermatology” Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
21 citations
,
April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
March 2022 in “Folia Medica Indonesiana” The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
October 2025 in “The Sri Lanka Journal of Dermatology” Inverted follicular keratosis can look like cancer but is actually a harmless tumor.
2 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
6 citations
,
July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
28 citations
,
July 1980 in “British Journal of Dermatology” The hair disorder was caused by abnormal protein formation, making hair easily damaged.
7 citations
,
March 2018 in “Experimental Dermatology” Acne lesions don't show increased keratinocyte growth compared to healthy hair follicles.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.