October 2025 in “Clinical and Experimental Pediatrics” A novel CLDN1 mutation in a 2-month-old with NISCH showed improvement with symptom management.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
48 citations
,
May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
September 2012 in “Annals of saudi medicine/Annals of Saudi medicine” The twins' condition is unique and doesn't match any known syndromes.
6 citations
,
May 2002 in “British journal of dermatology/British journal of dermatology, Supplement” A rare skin condition linked to leukemia improved with chemotherapy.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
15 citations
,
April 2007 in “Journal of child neurology” An 11-month-old boy with Menkes disease had severe brain shrinkage and abnormal blood vessels, and didn't respond well to treatment.
26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
2 citations
,
October 1992 in “PubMed” WHV infection does not affect woodchuck skin anatomy.
March 2026 in “Sexual Development” Tortoiseshell tomcats with XX/XY chimerism can be fertile.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
3 citations
,
May 1999 in “Dermatologic Surgery” Dr. Connelly agrees that linear basal cell carcinomas might be more aggressive but highlights the study's lack of clear criteria to identify them.
7 citations
,
January 2018 in “Neurodegenerative Diseases” Researchers found a new ABCD1 gene mutation linked to a rare brain and nerve disorder with unusual brain changes.
1 citations
,
March 2010 in “Internal medicine journal” A 72-year-old man with sudden taste issues and hair growth was diagnosed with a severe stomach cancer and died within 5 months.
January 1996 in “Studia iuridica” Two new gene mutations cause a rare hair disorder.
January 2017 in “International journal of biomedical engineering and clinical science” Cri-du-chat syndrome can cause skin and oral lesions affecting nutrition and quality of life.
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.
June 2023 in “International Journal of Research in Medical Sciences” Two brothers from Bangladesh were diagnosed with X-linked adrenoleukodystrophy, showing neurological and adrenal symptoms.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
57 citations
,
February 2006 in “Journal of Investigative Dermatology” Cylindromas likely originate from hair follicle stem cells, not sweat glands.
54 citations
,
November 1994 in “Differentiation” Trichohyalin is found in non-hair tissues and works with filaggrin in certain skin areas and conditions.
May 2020 in “International Journal of Dermatology and Venereology” Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
9 citations
,
June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
17 citations
,
January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
31 citations
,
December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
12 citations
,
December 2002 in “Archives of Dermatology” Sweet syndrome can be the only sign of hairy cell leukemia relapse.
2 citations
,
April 2008 in “PubMed” A gene mutation causes monilethrix in a Chinese family.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
December 2025 in “International Journal of Advanced Biochemistry Research” Malvi cattle hair varies in color and pattern across different body regions.
47 citations
,
April 1978 in “Journal of Cutaneous Pathology” Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.