January 2006 in “International water power & dam construction” Nevus comedonicus can appear later in life and affect both eyelids.
18 citations
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April 2002 in “Journal of cutaneous pathology” Tiny infundibular cysts are the main lesions in chloracne, not comedones.
October 2025 in “The Sri Lanka Journal of Dermatology” Inverted follicular keratosis can look like cancer but is actually a harmless tumor.
June 2015 in “Sonography” Ultrasound is effective for diagnosing scrotal cysts, and prompt treatment is crucial to prevent severe complications.
February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
May 2023 in “Surgical Case Reports” A woman's hair loss improved after removing a tumor in her thymus gland, suggesting hair loss can be linked to such tumors even without a specific muscle weakness condition.
24 citations
,
November 2003 in “Australasian Journal of Dermatology” A rare skin cancer caused hair loss and spread, needing multiple treatments.
38 citations
,
July 1998 in “Journal of surgical oncology” A woman with breast cancer developed a rare condition causing excessive fine hair growth on her face and body.
October 2013 in “The American Journal of Gastroenterology” Colonic lipomas can cause complications like intussusception, requiring surgery if symptoms occur.
October 2016 in “Veterinary record case reports” A cat had a rare skin disorder with hair loss and scaling, linked to a suspected tumor.
5 citations
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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.
April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor that produced testosterone caused a blood clot in the lungs and increased red blood cells in a woman.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
21 citations
,
March 2003 in “Acta Dermato Venereologica” Tacalcitol ointment effectively improves bilateral nevus comedonicus.
10 citations
,
May 2017 in “CMAJ. Canadian Medical Association journal” The boy had a fungal scalp infection called kerion, which was cured with oral antifungal medication.
1 citations
,
November 2024 in “Veterinary Dermatology” The cat's hair loss was linked to a type of cancer.
9 citations
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December 2004 in “Archives of Pathology & Laboratory Medicine” The neck mass was a rare benign "wattle," surgically removed for diagnosis and appearance.
May 2021 in “Our Dermatology Online” A woman with a rare scalp condition causing a thick scalp and hair loss didn't improve with steroid treatment.
December 2008 in “The Internet journal of surgery” A 16-year-old girl with a hair-eating disorder needed surgery to remove a hairball from her stomach and small bowel.
3 citations
,
November 2018 in “Curēus” The cause and importance of misplaced oil glands in the hair follicle are not well understood.
2 citations
,
January 2022 in “Boletín médico del Hospital infantil de México/Boletín médico del Hospital Infantil de México” Some immunosuppressed patients can get unusual skin infections from Malassezia, which can be treated with antifungal medication.
December 2025 in “TURKDERM” Facial trichostasis spinulosa is a chronic condition with significant cosmetic impact, especially in young women.
4 citations
,
July 2014 in “International Journal of Dermatology” Twins had rare skin cysts likely due to genetics.
June 2025 in “Journal of Ovarian Research” Accurate diagnosis is crucial to distinguish between PCOS and rare ovarian tumors in teens with similar symptoms.
2 citations
,
January 1990 in “PubMed” Perforating folliculitis is a skin condition with small bumps that may be linked to other diseases and is hard to treat.
October 2025 in “Indian Dermatology Online Journal” Trichoscopy helped correctly diagnose and treat a scalp and eyebrow fungal infection.
October 2025 in “Journal of the Endocrine Society” Rathke’s cleft cysts can rarely cause Cushing disease, and surgery can improve symptoms.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
2 citations
,
June 2023 in “Clinical and Experimental Neuroimmunology” Thymoma may link myasthenia gravis, nail dystrophy, and alopecia areata.
July 2019 in “Journal of the ASEAN Federation of Endocrine Societies” The woman had a rare adrenal tumor removed, and she recovered well with no signs of the tumor returning.