8 citations
,
January 2017 in “Indian dermatology online journal” Traumatic anserine folliculosis is a skin condition caused by friction, treatable with topical cream and avoiding trauma.
8 citations
,
January 2011 in “International journal of trichology” Accurate diagnosis of APL is crucial to avoid unnecessary treatments.
June 2021 in “Journal of The American Academy of Dermatology” The "spade sign" is a highly specific indicator for diagnosing acne keloidalis.
1 citations
,
August 2023 in “Clinical, Cosmetic and Investigational Dermatology” A condition with certain scalp changes may come before acne keloidalis nuchae and other similar hair loss disorders.
8 citations
,
October 2021 in “European Journal of Dermatology” Wounds heal faster in the anogenital/inguinal area than in the axillary area after surgery for hidradenitis suppurativa.
May 2020 in “International Journal of Dermatology and Venereology” Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
10 citations
,
August 2003 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Actinic superficial folliculitis is a unique skin condition caused by intense heat and sweating.
1 citations
,
December 2012 in “Clinical and Experimental Dermatology” A rare calcium deposit condition was found on a man's scalp.
19 citations
,
April 2019 in “Journal of the European Academy of Dermatology and Venereology” Acne lesions start with changes in hair follicles and increase in inflammation, suggesting a cycle that could affect treatment strategies.
8 citations
,
January 2014 in “Indian Journal of Paediatric Dermatology” Congenital atrichia with papular lesions causes permanent hair loss and skin bumps from birth.
Chemotherapy can cause skin issues and hair loss, and this guide explains how to manage them.
The document showed detailed images of skin structures and discussed skin diseases and their diagnosis.
31 citations
,
October 1992 in “Archives of Dermatology” The man's scalp condition did not improve with tetracycline treatment.
73 citations
,
December 2010 in “Current opinion in infectious diseases/Current opinion in infectious diseases, with evaluated MEDLINE” Hidradenitis suppurativa is a skin condition possibly caused by hair follicle issues, with treatments focusing on infection and inflammation.
December 2023 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Early diagnosis and treatment of Folliculitis decalvans are crucial, especially in younger patients and those with bacterial infections.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
January 2026 in “Forum Dermatologicum” A doughnut-shaped wart can form after cryotherapy in people with alopecia areata due to immune system issues.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
1 citations
,
April 2024 in “Journal of Cutaneous Pathology” Recurrent NICF is a rare skin condition with unclear causes, involving follicle inflammation and crystal deposits.
December 2025 in “Cureus” Avoiding friction and using topical treatments can significantly improve rough skin caused by repeated rubbing.
4 citations
,
March 2005 in “Archives of Pathology & Laboratory Medicine” Basal cell carcinoma may originate from vellus hair cysts.
2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
Acne keloidalis nuchae causes scarring on the scalp, mainly in African American males, and early treatment is important to prevent lasting damage.
July 2024 in “Journal of Investigative Dermatology” Spontaneous keloids may be linked to nephrogenic systemic fibrosis in dialysis patients.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
May 2024 in “Indian journal of child health” A 7-year-old girl had a non-painful skin growth at her belly button, which was removed and identified as a keratinous cyst.
2 citations
,
December 1973 in “Calcified tissue research” Epilation and DHT cause skin calcification by increasing ATP and calcium deposits.
16 citations
,
April 1978 in “Genetics Research” Mice with the ab gene have abnormal sebaceous gland development, affecting sebum production.
66 citations
,
October 2003 in “Dermatologic clinics” Excision and laser techniques can effectively treat acne keloidalis nuchae.