January 2024 in “Diagnostic cytopathology” Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
2 citations
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September 2018 in “JAAD case reports” A rare type of skin cancer with mucosal involvement was partially treated but eventually relapsed.
September 2024 in “Journal of the American Academy of Dermatology”
2 citations
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September 2022 in “Annals of Medicine and Surgery” A man with a rare scalp cancer was successfully treated, highlighting the need for early management to prevent spread and complications.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
This rare genetic disorder causes permanent hair loss and skin bumps from birth.
November 2025 in “Journal of Investigative Dermatology” A new genetic mutation causing Xeroderma Pigmentosum was found in an 8-year-old girl, affecting her DNA repair.
17 citations
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December 1994 in “International Journal of Dermatology” Recognizing both trichostasis spinulosa and eruptive vellus hair cysts together is crucial for accurate diagnosis and treatment.
October 2017 in “Journal of Investigative Dermatology” Pemphigus vulgaris involves specific immune cells and B cells that produce antibodies causing skin blisters.
49 citations
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July 2007 in “Ophthalmic Plastic and Reconstructive Surgery” Surgical excision is an effective treatment for persistent nodules from poly-L-lactic acid injections.
3 citations
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January 1985 in “Acta Obstetricia Et Gynecologica Scandinavica” A rare ovarian tumor caused early puberty signs in a 1-year-old girl, but surgery reduced hormone levels.
8 citations
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October 2018 in “Journal of the European Academy of Dermatology and Venereology” Mohs micrographic surgery is effective for early-stage non-melanoma skin cancers on the lips, with basal cell carcinoma more common on the upper cutaneous lip and squamous cell carcinoma more common on the lower vermilion lip.
Steatocystomas are harmless skin cysts that can vary in size and may sometimes cause itching or pain.
9 citations
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February 2002 in “International Journal of Dermatology” The patient's symptoms improved with treatment but recurred when the steroid dose was reduced, requiring ongoing therapy.
7 citations
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May 2021 in “Clinical Case Reports” Alopecic and aseptic nodules of the scalp are rare, treatable, and often resolve with doxycycline or on their own.
17 citations
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July 1984 in “British journal of dermatology/British journal of dermatology, Supplement” The four patients have a unique type of ichthyosis affecting hair follicles.
25 citations
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June 2017 in “Journal of Investigative Dermatology” HPV8 causes skin cancer by expanding specific skin stem cells.
35 citations
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September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
February 2023 in “International Journal of Molecular Sciences” Exosomes from skin cells can boost hair growth by stimulating a gene called LEF1.
6 citations
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July 2011 in “British Journal of Dermatology” A man with KID syndrome developed a rare cancer in a long-term skin infection.
1 citations
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January 2012 in “Journal of Toxicologic Pathology” A rat had a cyst similar to a hair follicle structure.
January 2017 in “Enlighten: Publications (The University of Glasgow)” Activating β-catenin and inactivating PTEN cause follicular tumors, not papillomas, similar to those in Cowden’s Disease.
1 citations
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December 2020 in “Case reports in dermatological medicine” A patient with pemphigus vulgaris improved significantly after treatment for an additional viral skin infection.
14 citations
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January 2014 in “Annals of Dermatology” Some cases of folliculotropic mycosis fungoides may progress slowly and not need aggressive treatment.
3 citations
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January 2019 in “Cureus” Hormonal imbalances in Polycystic Ovarian Syndrome (PCOS) might trigger a rare skin disorder called Confluent and Reticulated Papillomatosis (CRP), so dermatologists should consider checking for PCOS in CRP patients.
128 citations
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March 1996 in “Journal of Investigative Dermatology” November 2023 in “Journal of Investigative Dermatology” EGFR-targeted cancer therapy can cause skin issues starting at hair follicles, leading to inflammation.
3 citations
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May 2011 in “Journal of the American Academy of Dermatology” A woman's excessive hair growth around a leg ulcer was linked to a treatment with Prostaglandin E1 ointment.
4 citations
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September 2015 in “JAAD case reports” Substance P may play a role in the inflammation seen in keratosis follicularis spinulosa decalvans.
February 2010 in “Journal of the American Academy of Dermatology” Lactic acid cream can help improve skin bumps known as eruptive vellus hair cysts.