April 2018 in “Journal of Investigative Dermatology” Watching, not removing, skin growths with moderate atypia and positive edges is okay; patients may get melanoma elsewhere, especially if they've had it before.
October 2024 in “Journal of the Endocrine Society” ACTH-dependent Cushing's syndrome linked to metastatic cervical cancer is rare and has high risks.
3 citations
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January 2011 in “Intestinal Research” Cronkhite-Canada syndrome can cause multiple gastrointestinal polyps and various physical symptoms.
23 citations
,
February 2003 in “British Journal of Dermatology” A rare type of skin lymphoma was identified, affecting hair follicles and sweat glands.
24 citations
,
February 1986 in “Cancer” A pancreatic tumor caused high glucagon levels and symptoms, but treatment reduced glucagon and shrank liver tumors.
November 2011 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Polyomavirus A2 infection in newborn mice caused hair follicle tumors.
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.
43 citations
,
September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
December 2013 in “Open Access Macedonian Journal of Medical Sciences” A woman's excessive hair growth and high testosterone were caused by a rare ovarian tumor, which was successfully treated with surgery.
October 2025 in “Journal of the Endocrine Society” Rathke’s cleft cysts can rarely cause Cushing disease, and surgery can improve symptoms.
June 2018 in “Dermatologic Surgery” 47 citations
,
April 1978 in “Journal of Cutaneous Pathology” Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
1 citations
,
January 1995 in “Skin Cancer” Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
1 citations
,
June 2021 in “Curēus” A woman with hair loss had a benign sweat duct tumor found during a scalp biopsy.
October 2024 in “Journal of the Endocrine Society” Rare ovarian tumors can cause hyperandrogenism, even if imaging appears normal.
3 citations
,
March 2019 in “Case Reports” A man with myotonic dystrophy type 1 had 28 skin cancers, suggesting a link between the disease and skin cancer, emphasizing the need for sun protection and regular skin checks.
December 2022 in “Laboratory Animal Research” Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.
87 citations
,
August 1974 in “Journal of Investigative Dermatology”
June 2023 in “JAAD Case Reports” A man had a rare skin cancer that looked like a bald spot.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
A patient with Myotonic dystrophy type 1 had multiple tongue hemangiomas and was sensitive to anesthesia.
1 citations
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July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
October 2024 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone in a postmenopausal woman, resolved by surgery.
20 citations
,
January 2002 in “Laboratory Animals” Mutations in the hairless gene cause hair loss and skin cysts in rhesus macaques.
April 2018 in “Journal of Investigative Dermatology” The document concludes that ERBB2 mutations are common in extramammary Paget disease and may respond to systemic treatments like cancer immunotherapy.
48 citations
,
March 1993 in “The Laryngoscope” Cholesteatoma shows abnormal and increased EGF receptor expression, indicating its rapid growth.
44 citations
,
March 2012 in “Molecular Carcinogenesis” Keratin 15 cells from hair follicles help develop and maintain skin tumors in mice.
December 2022 in “Journal of Medical Case Reports” A 20-year-old woman was found to have a rare ovarian tumor causing symptoms like acne and a low-pitched voice, which disappeared after the tumor was removed.
3 citations
,
March 2017 in “Pediatric Dermatology” FOXN1 duplication can cause excessive hair growth.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” Postmenopausal women with unusual hair growth should be checked for ovarian tumors.