34 citations
,
June 1992 in “Journal of Cutaneous Pathology” Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
2 citations
,
January 1990 1 citations
,
January 2022 in “Clinical dermatology review” A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
44 citations
,
January 1999 in “Dermatology” Nevus comedonicus is a rare skin condition with grouped open pores, sometimes linked to other body issues.
2 citations
,
December 2017 in “PubMed” A long-term pubic rash was finally diagnosed as white piedra and cured with ketoconazole.
5 citations
,
May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
January 2006 in “International water power & dam construction” Nevus comedonicus can appear later in life and affect both eyelids.
October 2022 in “Boletín médico del Hospital infantil de México/Boletín médico del Hospital Infantil de México” The patient has a rare skin condition that shows features of two known disorders.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
A 15-year-old boy's smelly, yellow armpit hair improved with clindamycin treatment.
1 citations
,
December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
21 citations
,
April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
10 citations
,
October 2023 in “Mycoses” White Piedra mainly affects young women and is linked to hair-related factors.
7 citations
,
March 2003 in “Journal de Physique IV (Proceedings)” Calcium soaps are present in human hair and can be removed with acid.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
13 citations
,
October 2017 in “Anais Brasileiros de Dermatologia” Yellow dots in hair and scalp examinations are important for diagnosing different scalp conditions.
6 citations
,
August 1985 in “Archives of dermatology” A lotion helped remove hair casts, which seem to come from a specific part of the hair follicle, and patients with hair casts can be grouped based on the cause.
11 citations
,
June 1974 in “Journal of Cutaneous Pathology” Follicular mucinosis causes significant damage to hair follicle cells.
56 citations
,
November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
August 2023 in “Gastroenterology” A 78-year-old man with Cronkhite-Canada syndrome improved significantly after treatment and remains symptom-free.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
22 citations
,
January 1990 2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
18 citations
,
March 2015 in “Journal of Dermatological Case Reports” Rectangular black granules, solitary yellow dots, and mostly single-hair follicles suggest Loose Anagen Hair Syndrome.
January 2022 in “Indian journal of paediatric dermatology” A baby had a rare case of widespread milia, which was treated and is being monitored.
February 2009 in “Journal of The American Academy of Dermatology” Yellow dots look different in various hair loss conditions and can help diagnose them.
3 citations
,
January 2004 in “Journal of Wildlife Diseases” A deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.