2 citations
,
January 2017 in “Indian dermatology online journal” A woman had a rare infection of both white piedra and head lice, which improved after 10 weeks of antifungal treatment.
10 citations
,
January 2013 in “International journal of trichology” A woman's scalp nodules were successfully treated with antifungal and anti-lice medications, revealing a rare case of mixed piedra infection.
6 citations
,
January 1985 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
7 citations
,
January 1973 in “Calcified Tissue International” Hair follicle tissue can induce mineral formation, likely due to a potent nucleator.
March 2026 in “Dermatology Online Journal” Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
May 2020 in “International Journal of Dermatology and Venereology” Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
18 citations
,
January 2011 in “International journal of trichology” Hair casts, also called pseudonits, are often mistaken for other conditions.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
A 15-year-old boy's smelly, yellow armpit hair improved with clindamycin treatment.
5 citations
,
October 2012 in “CMAJ. Canadian Medical Association journal” The girl had harmless hair casts, not lice.
8 citations
,
September 2016 in “Journal of the American Academy of Dermatology” It's important to tell the difference between hair casts, pseudocasts, and nits.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
2 citations
,
December 2017 in “PubMed” A long-term pubic rash was finally diagnosed as white piedra and cured with ketoconazole.
4 citations
,
April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
10 citations
,
October 2023 in “Mycoses” White Piedra mainly affects young women and is linked to hair-related factors.
12 citations
,
December 1965 in “Immunology and Cell Biology” Mild skin injury can trigger mineral deposits in rat skin, even without full calciphylactic response.
2 citations
,
January 2017 in “PubMed” Hair casts are harmless but can be mistaken for head lice.
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.
29 citations
,
February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
8 citations
,
November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
November 2023 in “Curēus” Topical tretinoin effectively treated sebaceous filaments, improving skin appearance.
October 2023 in “Indian dermatology online journal” The young woman has a benign, hereditary skin condition with no signs of a more serious syndrome.
January 2006 in “International water power & dam construction” Nevus comedonicus can appear later in life and affect both eyelids.
60 citations
,
September 2010 in “Journal of the American Academy of Dermatology” Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.
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.