January 2026 in “Indian Journal of Ophthalmology - Case Reports” Trichilemmal cysts can appear on children's eyelids and may be mistaken for other conditions.
13 citations
,
June 2018 in “Dermatopathology” A new classification system for skin cysts was proposed to improve diagnosis.
7 citations
,
October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
60 citations
,
October 2020 in “Nature Communications” AP-1 and TGFß work together to drive resistance in basal cell carcinoma, suggesting new treatment options.
2 citations
,
January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
December 2020 in “TURKDERM” A 3-year-old boy was diagnosed with a rare, non-scarring hair loss condition called temporal triangular alopecia.
5 citations
,
February 2015 in “Egyptian Journal of Ear Nose Throat and Allied Sciences” A rare benign cheek tumor was successfully removed from a 15-year-old girl without complications or recurrence.
5 citations
,
March 2015 in “Indian Journal of Dermatology” Multiple trichofolliculomas can look like multiple trichoepitheliomas on the face.
18 citations
,
June 2017 in “Journal of The American Academy of Dermatology” Trichoscopy helps diagnose frontal fibrosing alopecia, even with unusual patterns.
10 citations
,
March 1997 in “Pediatric Dermatology” A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
January 2022 in “Clinical Cases in Dermatology” A woman's scalp nodule was a common, harmless pilar cyst, treated by surgical removal.
Pseudopelade is likely an independent disease due to its distinct features.
44 citations
,
July 2013 in “Journal of the American Academy of Dermatology” Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.
11 citations
,
December 1921 in “Archives of dermatology and syphilology” A rare scalp disease causes hair loss, pus-filled nodules, and scarring.
August 1994 in “Journal of Dermatological Science” 9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
98 citations
,
April 2003 in “Die Naturwissenschaften”
February 2024 in “World journal of clinical cases” A young woman had surgery to remove a large hairball that blocked her intestines and then got psychiatric help.
71 citations
,
February 2012 in “The American Journal of Human Genetics” A specific ATR gene mutation is linked to a hereditary oropharyngeal cancer syndrome.
5 citations
,
May 2013 in “The American Journal of Dermatopathology” The author now believes tricholemmal carcinoma is a rare type of infundibular squamous cell carcinoma and more research is needed on these tumors.
178 citations
,
December 2011 in “Journal of Dermatological Case Reports” Trichoscopy is a useful tool for diagnosing different hair and scalp diseases by their unique visual features.
9 citations
,
September 2022 in “Frontiers in Physics” The technique accurately identifies and evaluates hair follicle structures in skin.
39 citations
,
December 2012 in “The American Journal of Human Genetics” Mutations in the SNRPE gene cause hereditary hair loss.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
2 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
2 citations
,
March 2011 in “International Journal of Dermatology” An 18-year-old man was diagnosed with a rare genetic disorder causing hair loss, severe light sensitivity, and skin issues.
December 2020 in “Journal of Face Aesthetics” Trichoscopy effectively helps diagnose different types of hair loss in women.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
9 citations
,
January 2019 in “Skin appendage disorders” Researchers found a new sign of fungal infection in some patients with Seborrheic Dermatitis.