June 2021 in “Journal of The American Academy of Dermatology” The "spade sign" is a highly specific indicator for diagnosing acne keloidalis.
33 citations
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September 2012 in “Australasian Journal of Dermatology” Chemotherapy can cause hair changes similar to alopecia areata, which might lead to misdiagnosis.
November 2023 in “International Journal of Trichology” Trichoscopic features help diagnose and assess female pattern hair loss severity, with inflammation playing a key role.
3 citations
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January 2016 in “Revista Brasileira de Higiene e Sanidade Animal” Canine hypothyroidism often causes skin issues like hair loss.
34 citations
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February 2012 in “Journal of Cutaneous Pathology” The research found specific signs to diagnose alopecia areata incognito and noted patients generally regrow hair after steroid treatment.