2 citations
,
December 2016 in “PubMed” Adrenocortical carcinoma is a rare, aggressive adrenal gland cancer with a poor outlook.
Pilomatricoma is a rare, harmless skin lump that needs accurate diagnosis and timely treatment.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
1 citations
,
December 2018 in “Journal of cutaneous pathology” Some skin growths with mucin can form hair follicles and resemble skin cancer, but a special stain can help tell them apart.
4 citations
,
January 2017 in “Journal of veterinary medical science” A dog had a rare skin tumor called desmoplastic tricholemmoma.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
23 citations
,
February 2003 in “British Journal of Dermatology” A rare type of skin lymphoma was identified, affecting hair follicles and sweat glands.
12 citations
,
May 2001 in “British journal of dermatology/British journal of dermatology, Supplement” A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.
April 2023 in “Journal of Investigative Dermatology” An elderly woman's upper lip lump, thought to be a mucocele, was actually a rare type of lymphoma usually found on legs, treated successfully with chemotherapy and radiation.
November 2022 in “Journal of the Endocrine Society” An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
18 citations
,
April 2016 in “American Journal of Dermatopathology” Larger nail cavity sizes suggest benign tumors, while smaller ones may need further biopsy to rule out cancer.
October 1991 in “Archives of Dermatology” The woman has a skin condition involving nodules, scars, and hair loss.
October 2025 in “The Sri Lanka Journal of Dermatology” Inverted follicular keratosis can look like cancer but is actually a harmless tumor.
October 2024 in “Journal of the Endocrine Society” Rare ovarian tumors can cause hyperandrogenism, even if imaging appears normal.
2 citations
,
November 2020 in “The American journal of dermatopathology/American journal of dermatopathology” Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
39 citations
,
February 2011 in “American Journal of Dermatopathology” Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
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.
47 citations
,
February 2014 in “Journal of Cutaneous Pathology” Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.
August 2025 in “Journal of Pediatric Endocrinology and Metabolism” A rare ovarian tumor in a 2-year-old girl was successfully removed, normalizing her hormone levels.
March 2022 in “Veterinary dermatology” A one-year-old cat had multiple benign skin tumors similar to those known in humans.
5 citations
,
February 2008 in “Histopathology”
1 citations
,
January 2018 in “Journal of SAFOMS” A rare ovarian tumor can cause unusual male-like symptoms, but surgery usually leads to a good outcome.
2 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
18 citations
,
March 2009 in “Experimental Dermatology” Pilomatricoma can develop into various hair-related structures.
18 citations
,
February 2001 in “Der Hautarzt” A woman with myotonic dystrophy had multiple skin tumors on her scalp, suggesting a genetic link.
July 2025 in “Clinical Dermatology Review” A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
1 citations
,
January 2022 in “Indian dermatology online journal” Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
March 2024 in “IP Indian journal of clinical and experimental dermatology” Giant solitary trichoepithelioma is a rare, usually non-cancerous hair follicle tumor that can sometimes turn into skin cancer.
3 citations
,
January 2012 in “Internal Medicine” A Rathke's cleft cyst caused hormonal imbalances and symptoms in a 68-year-old woman.
40 citations
,
November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.