3 citations
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November 2019 in “The American Journal of Dermatopathology” Widened sweat ducts are a very specific sign of scarring hair loss.
26 citations
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October 1998 in “Experimental Dermatology” A keratin hHb6 mutation causes a hair disorder with varying severity, influenced by other factors.
16 citations
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
108 citations
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October 2005 in “Journal of Ultrasound in Medicine” Ultrasonography improves pilomatricoma diagnosis accuracy.
A rare skin reaction occurred when a man took paracetamol, causing a new rash in an area already affected by hair loss.
1 citations
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July 2025 in “Journal of Investigative Dermatology”
8 citations
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July 2014 in “Anais Brasileiros de Dermatologia” A man's scalp condition was misidentified as hair loss dots but was actually a common follicular disorder.
35 citations
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February 1993 in “International Journal of Dermatology” Cosmetic procedures can trigger pemphigus, an autoimmune disease.
December 2025 in “Indian Journal of Dermatology” Extraction videodermoscopy is an effective, non-invasive diagnostic tool for eruptive vellus hair cysts.
January 2020 in “Dermatology Online Journal” A young Caucasian man experienced a rare type of hair loss on the back of his head.