June 2021 in “Journal of The American Academy of Dermatology” This study suggests that the "spade sign" is a highly specific histopathologic feature of acne keloidalis, although its absence does not rule out the condition.
33 citations
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September 2012 in “Australasian Journal of Dermatology” This article reviews trichoscopic signs of chemotherapy-induced alopecia, including exclamation marks, but reports no new clinical results.
November 2023 in “International Journal of Trichology” In this study, researchers observed that trichoscopy could reliably identify features such as anisotrichosis and signs associated with inflammation and fibrosis in female pattern hair loss, which may aid in assessing disease severity and guiding treatment decisions.
3 citations
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January 2016 in “Revista Brasileira de Higiene e Sanidade Animal” This review discusses the diagnosis of canine hypothyroidism, focusing on its clinical signs, diagnostic markers, and distinctive skin biopsy findings, but reports no new research results.
2 citations
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October 2025 in “Discover Immunity.” This review discusses the classification, diagnosis, and potential treatment pathways for Alopecia Areata, emphasizing the complex genetic and immunological factors involved, but reports no new clinical results.