2 citations
,
December 2019 in “Cureus” A patient with a scalp condition and benign skin tumor experienced hair loss and did not improve with treatment, choosing not to have surgery despite a small cancer risk.
4 citations
,
October 2023 in “Case Reports in Dermatology” Majocchi’s granuloma should be considered when rashes don't improve with typical treatments.
87 citations
,
August 1974 in “Journal of Investigative Dermatology” 9 citations
,
September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
8 citations
,
January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
November 2025 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Sporadic trichoblastic neoplasms generally don't recur or spread, with one case showing a specific genetic fusion.
December 2023 in “Curēus” Surgical removal of a scalp keratoacanthoma is effective and prevents recurrence, but hair may not regrow.
6 citations
,
November 2017 in “Journal of the European Academy of Dermatology and Venereology” A woman got melanoma on her scalp after anti-hair loss treatment with injections.
8 citations
,
June 2016 in “Journal of Cutaneous Pathology” Two women were diagnosed with a rare melanoma that looked like hair loss but was actually a type of skin cancer.
January 2022 in “Skin appendage disorders” Trichoscopy effectively visualizes scalp micropigmentation without invasive methods.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
1 citations
,
April 2021 in “Annals of Otology Rhinology & Laryngology” Surgical removal is advised for large congenital blue nevi due to rare cancer risk.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
4 citations
,
June 2005 in “British Journal of Dermatology” HPV 60 may cause cysts and warts on the face, not just hands and feet.
April 2016 in “Journal of the American Academy of Dermatology” Dermoscopy helped correctly diagnose a skin condition that was previously misidentified as a different hair loss disease.
March 2022 in “Veterinary dermatology” A one-year-old cat had multiple benign skin tumors similar to those known in humans.
December 2025 in “Pediatric Dermatology” Trametinib can cause skin issues, but they can often be managed without stopping the drug.
5 citations
,
January 2011 in “Journal of the Korean Association of Oral and Maxillofacial Surgeons” A woman developed a cyst in her parotid gland after a botox injection, which was successfully removed with surgery.
January 2006 in “International water power & dam construction” Nevus comedonicus can appear later in life and affect both eyelids.
4 citations
,
July 1979 in “Journal of the American Academy of Dermatology” The hair and oil glands react by changing structure when stressed.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
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.
March 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Removing a tumor may resolve associated skin and hair symptoms.
June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
1 citations
,
April 2024 in “Dermatology Practical & Conceptual” Thick scalp melanoma can be hard to diagnose because it often looks like other skin conditions.
28 citations
,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
3 citations
,
March 1966 in “Archives of Dermatology” Nevoid basal cell carcinomas start in the skin's top layer and hair follicles.
47 citations
,
March 1987 in “The Journal of dermatologic surgery and oncology” Carbon dioxide laser treatment effectively removed facial hair cysts without scarring or them coming back.
1 citations
,
January 1995 in “Skin Cancer” Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
1 citations
,
July 2015 in “European Journal of Dermatology” CO₂ laser treatment is fast and effective for some benign skin tumors with minimal side effects.