August 2024 in “Clinical Case Reports” Pilomatricoma is a rare, benign skin tumor that requires surgical removal for best results.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
A 70-year-old man with skin cancer on both sides of his forehead was treated with surgery and cryotherapy, highlighting the need for early detection and prevention.
12 citations
,
April 2009 in “Agricultural sciences in China/Agricultural Sciences in China” Hoxc13 gene expression and skin thickness change similarly during cashmere goat hair follicle development.
12 citations
,
February 2014 in “PLoS ONE” Topical rapamycin may effectively treat fibrous papules on the face.
February 2025 in “Veterinary Clinical Pathology” The ferret had a malignant apocrine gland tumor and did not survive surgery.
Retinoids can help reduce keratin buildup in skin conditions.
July 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Adipose tissue and eccrine gland displacement are common in certain alopecias but don't help differentiate between them.
11 citations
,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
August 2019 in “Journal of Investigative Dermatology” Frog skin cells need the protein desmoplakin for proper development and cell layer formation.
11 citations
,
May 1998 in “Child's nervous system” A baby had a rare condition with abnormal blood vessels in the brain and unusual skin and hair growth, possibly a new syndrome.
August 2018 in “Journal of the American Academy of Dermatology”
June 2023 in “JAAD case reports” A rare scalp condition, cutis verticis gyrata, was found in a woman with primary scarring alopecia.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
26 citations
,
June 2005 in “British Journal of Dermatology” Calretinin identifies the companion cell layer in human hair follicles.
2 citations
,
April 2023 in “American Journal of Dermatopathology” CCCA may involve the PD1/PDL1 pathway and increased caspase 3, leading to permanent hair loss.
5 citations
,
February 2014 in “PloS one” Eyelid cells share signaling components but differ in pathway activity.
September 2023 in “Journal of the American Academy of Dermatology” Current guidelines may overlook beard and sideburn involvement in diagnosing frontal fibrosing alopecia in men.
14 citations
,
October 2018 in “PloS one” Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.
3 citations
,
January 2014 in “Indian dermatology online journal” A newborn girl has a rare skin condition with two ulcers on her buttock that are healing on their own.
17 citations
,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
34 citations
,
December 1995 in “Pediatric Dermatology” Congenital Triangular Alopecia is a rare, non-scarring hair loss that can be surgically treated in females for cosmetic reasons.
August 2025 in “Journal of IMAB - Annual Proceeding (Scientific Papers)” The A-T advancement flap is a safe and effective method for scalp reconstruction after basal cell carcinoma removal.
6 citations
,
August 2001 in “PubMed” The stump-tailed macaque is a good model for studying human hair loss, but it's expensive and hard to find, while rodent models are promising for understanding hair growth and finding new treatments.
6 citations
,
July 2007 in “Plastic and Reconstructive Surgery” Single-hair transplantation with a Choi hair transplanter effectively hides cleft lip scars in men.
3 citations
,
January 2020 in “International journal of trichology” Congenital triangular alopecia is a hair loss condition present from birth or early childhood with no effective treatment needed.
13 citations
,
January 2020 in “Scientific Reports” The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
46 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting Acvr1b in mice causes severe hair loss and thicker skin.
3 citations
,
April 2022 in “Cutis” CCCA is a common, scarring hair loss in Black women that needs early detection.