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
,
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
,
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
,
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.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
4 citations
,
January 2020 in “Indian dermatology online journal” This report describes two scalp lichen simplex chronicus cases with hair loss and intense itching, noting unique dermoscopic and histopathological features.
10 citations
,
January 2010 in “Acta Histochemica Et Cytochemica” This study found that patients with alopecia areata and androgenetic alopecia showed increased c-kit expression and decreased Ki-67 expression in hair follicle cells compared to controls, suggesting a possible feedback mechanism involving stem cell factor signaling.
26 citations
,
December 2022 in “Journal of the American Academy of Dermatology” This study observed that epidermal necrosis and keratinocytic ballooning are consistent histopathologic signs of monkeypox in skin lesions, reinforcing the diagnostic value of histopathologic and immunohistochemical analyses.
2 citations
,
June 2018 in “Clinical and Experimental Dermatology” Permanent hair loss after a stem cell transplant can be a sign of chronic immune system attack on the scalp.
53 citations
,
February 2017 in “Journal of The American Academy of Dermatology” In this study of 20 patients with erosive pustular dermatosis of the scalp, using trichoscopy improved diagnosis, and treatments with high-potency steroids or topical tacrolimus effectively reduced inflammatory signs, suggesting these as first-line treatments.
23 citations
,
September 2019 in “Dermatology practical & conceptual” This study analyzed the features of alopecia areata incognita and diffuse alopecia areata, finding distinct patterns in hair loss regions and trichoscopic signs, and noted a benign course responsive to topical steroid therapy.
9 citations
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July 2020 in “Journal of Dermatology” This study found that diffuse and pseudo-fringe sign patterns are common in Asian patients with frontal fibrosing alopecia, and that treatments combining antiandrogens or antimalarials with topical therapy are effective.
This study found a significant discordance between clinical symptoms and dermatoscopic signs with histopathological inflammation in patients with LPP and AFF, affecting diagnostic and therapeutic approaches.
3 citations
,
February 2022 in “Dermatology practical & conceptual” This study found that trichoscopy is an effective noninvasive technique for diagnosing frontal fibrosing alopecia, confirming its valuable role alongside traditional histopathological examination.
February 2023 in “Ankara Üniversitesi Veteriner Fakültesi dergisi” This case report is the first to document ethylene glycol toxicity in livestock calves in Türkiye, providing insights into clinical signs and pathological findings associated with this type of poisoning.
16 citations
,
May 2013 in “Australasian Journal of Dermatology” In this study, detailed examinations of alopecic lesions in two female Cronkhite-Canada syndrome patients suggested hair regrowth might occur without systemic corticosteroids if not required for gastrointestinal treatment, and hair loss may begin with anagen-telogen transition.
2 citations
,
September 2023 in “Journal of the European Academy of Dermatology and Venereology” In this study, the authors compared trichoscopy findings for different forms of diffuse non-cicatricial alopecia in females and suggested that trichoscopy might often replace the need for histopathological confirmation, reserving biopsies for more uncertain cases.
2 citations
,
June 2019 in “The Journal of Dermatology” This report describes two cases of aplasia cutis congenita with hair collar signs and hemangioma, which may suggest neural tube defects, although imaging showed no bone or neural tissue abnormalities.
December 2021 in “International Journal of Research in Dermatology” This study found that while female pattern hair loss in young to middle-aged women was commonly associated with markers of hyperandrogenism and specific histopathological features, its exact causes and treatment remain unclear.
9 citations
,
October 2015 in “Journal of Cutaneous Pathology” This study found that histopathologic features of erythematous papulopustular eruption due to EGFR inhibitors vary with eruption severity and differ between cetuximab and erlotinib treatments.
2 citations
,
November 2022 in “IP Indian journal of clinical and experimental dermatology” This study observed that specific dermoscopic features, such as altered pigmentary network and yeast invasion of hair follicles, along with certain histopathological features, assist in diagnosing pityriasis versicolor.
February 2025 in “The Indian Journal of Animal Sciences” This study investigated a severe outbreak of mange in a goat herd in North Goa and found that treatment with Ivermectin and other supplements led to complete recovery, highlighting the need for preventive measures in hot, humid regions.
35 citations
,
November 2010 in “Journal of Cutaneous Pathology” This study reported that dilated follicular infundibula are a highly useful histopathologic criterion for diagnosing alopecia areata, particularly during its recovery stage.
32 citations
,
June 2003 in “The American Journal of Dermatopathology” This report describes the third known case of lipedematous scalp in a 51-year-old woman, marked by progressive thickening of the scalp without hair loss, and notes its association with early meningitis symptoms.
15 citations
,
December 2011 in “Journal of the European Academy of Dermatology and Venereology” In this study, severe diffuse hair loss in patients with systemic lupus erythematosus was associated with distinct clinical, dermoscopic, and histopathological features, which improved alongside treatment of the underlying condition.
1 citations
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December 2015 in “TURKDERM” This study found that treatment improved symptoms and stopped disease progression for 75% of lichen planopilaris patients whose follow-up data were available.
August 2026 in “Journal of Livestock Science” This study identified secondary copper deficiency in Thanjavur black goats as a possible cause of alopecia and other skin issues, despite adequate dietary copper, indicating impaired copper absorption or metabolism.
18 citations
,
October 2002 in “Veterinary dermatology” This study observed that follicular dysplasia in Weimar Pointers produces histopathological features and hair abnormalities similar to color dilution alopecia, though less severe.
16 citations
,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” This review discusses frontal fibrosing alopecia and reports no clinical results; the authors note that no therapeutic options tested, including corticosteroids, finasteride, and minoxidil, have shown clear benefits.