March 2012 in “Journal of The American Academy of Dermatology” A 7-year-old boy's unusual hair loss was caused by a herpes infection and healed after treatment.
3 citations
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March 2013 in “American Journal of Dermatopathology” Ossification in trichilemmal cysts is more common than previously believed.
1 citations
,
July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
19 citations
,
July 1994 in “International Journal of Dermatology” A 9-year-old boy had a calcium deposit nodule on his earlobe.
8 citations
,
June 2010 in “Plastic & Reconstructive Surgery” Complete removal of scalp tumors is crucial, but malignant cases may recur or metastasize, requiring a multidisciplinary approach and close follow-up.
November 2011 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Polyomavirus A2 infection in newborn mice caused hair follicle tumors.
January 2024 in “ACTA SCIENTIAE VETERINARIAE” An epidermoid cyst in a dog's mammary gland is rare and benign.
8 citations
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September 2016 in “The American Journal of Dermatopathology” Enlarged sweat gland ducts may indicate scarring hair loss.
3 citations
,
December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
8 citations
,
July 2014 in “American Journal of Dermatopathology” Cutaneous keratocyst and steatocystoma should be called "sebaceous duct cyst" due to their similarities.
2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
20 citations
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February 2016 in “American Journal of Pathology” The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
January 2024 in “International Journal of Trichology” Isotretinoin can cause rare scalp cysts and hair loss, treatable with medication.
1 citations
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April 2008 in “Experimental Dermatology” Hidradenitis suppurativa may mainly affect vellus hair follicles, not terminal ones.
1 citations
,
March 2023 in “Journal of Ultrasound in Medicine” Ultrasound effectively distinguishes trichilemmal cysts from epidermoid cysts.
1 citations
,
January 2009 A 25-year-old Malay fireman had skin bumps on his neck that were removed successfully after other treatments failed.
4 citations
,
June 1989 in “Archives of Dermatology” A man had a black pore on his cheek, which was removed and found to be a hair follicle tumor.
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.
January 2025 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Nevus sebaceous is identified by unique skin changes, including thickened skin, fewer hair follicles, and many sebaceous glands.
1 citations
,
August 2021 A young girl had a rare neck cyst removed and needs careful monitoring for related health issues.
5 citations
,
May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
5 citations
,
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.
January 2003 in “Linchuang pifuke zazhi” A benign skin tumor was removed from a man's leg, and it didn't come back after 9 months.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
September 2022 in “TURKDERM” A rare benign skin nodule was found on the buttock, a unique location for this condition.
Tricholemmoma is linked to Cowden syndrome and can be benign or malignant.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
July 2025 in “Journal of Medical Science And clinical Research” A 21-year-old male has a rare scalp condition with excessive skin folds.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.