January 2026 in “International Journal of Research and Innovation in Applied Science” This case report details a rare instance of malignant proliferating trichilemmal tumour in a 60-year-old male, emphasizing the significance of histochemical and immunohistochemical markers for accurate diagnosis and differentiation from squamous cell carcinoma.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
14 citations
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July 2004 in “Australasian Journal of Dermatology” This case study describes a patient with rapidly progressing follicular mycosis fungoides, highlighting its unusual histology and challenges in diagnosing it against cutaneous B-cell lymphoma.
September 2016 in “Journal of The American Academy of Dermatology” This case study identified the condition as Monilethrix in a 17-year-old female, characterized by a beaded hair appearance and linked to a genetic cause.
4 citations
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May 2021 in “The American Journal of Surgical Pathology” This study suggests that cutaneous lymphadenoma is a distinct benign lymphoepithelial tumor characterized by androgen receptor expression, hair follicle stem cell markers, and common EGFR gene mutations.
March 2022 in “Veterinary dermatology” This case report provides the first evidence of clinical and histopathological findings of cutaneous diffuse basaloid follicular hamartomas in a young domestic short hair cat.
7 citations
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June 2017 in “Journal of Cutaneous Pathology” This study reports a case of cystic panfolliculoma, highlighting the role of epithelial-mesenchymal interactions in its pathogenesis and explaining its histological resemblance to trichofolliculoma.
This case report describes perifollicular melanocyte regeneration in the affected skin of a patient with bullous pemphigoid, highlighting an underreported aspect of the condition in skin of color patients, and emphasizing the need for increased awareness and earlier diagnosis in this demographic.
In this case report, researchers detailed a giant proliferating pilomatrixoma in a 36-year-old woman, emphasizing the importance of complete excision to prevent recurrence or potential malignant transformation, distinguishing it from malignancies like angiosarcoma or melanoma.
1 citations
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December 2021 in “Kathmandu University medical journal” This article reviews the characteristics, common locations, and causes of epidermoid cysts, noting that surgical excision is the standard treatment, but it reports no new clinical findings.
January 2022 in “Optometric clinical practice” This case report describes a 59-year-old woman with a rare trichoepithelioma on her eyelid, emphasizing the importance for optometrists to differentiate it from basal cell carcinoma.
9 citations
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April 1985 in “Archives of Dermatology” This case report describes a 7-year-old boy with Netherton's syndrome, highlighting the identification of the tricorrhexis invaginata hair defect using a photographically illustrated scalp biopsy, which had not been visually documented before.
8 citations
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July 1986 in “International Journal of Dermatology” This article discusses eruptive vellus hair cysts, detailing their appearance, distribution, histology, and potential spontaneous resolution, but reports no new clinical findings on treatment.
May 2023 in “Hair transplant forum international” This case study describes a successful reconstructive treatment for a patient with a frontoparietal giant congenital melanocytic nevus, achieved through collaboration between plastic and hair restoration surgeons.
87 citations
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August 1974 in “Journal of Investigative Dermatology”
February 2024 in “Cureus” This study presented an elderly male with a nodular lesion diagnosed as pilomatricoma and discussed the value of diagnostic tools like dermoscopy and high-frequency ultrasonography, encouraging clinicians to consider pilomatricoma in differential diagnoses of nodular lesions across all ages.
January 2025 in “NATIONAL BOARD OF EXAMINATIONS JOURNAL OF MEDICAL SCIENCES” This case series reports the specific dermoscopic features observed in two patients with syphilitic alopecia, highlighting alopecic patches with empty hair follicles and other distinguishing characteristics that may aid in differentiating it from other hair disorders.
39 citations
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January 1998 in “Dermatology” The authors concluded that milia, steatocystoma multiplex, and eruptive vellus hair cysts may be subtypes of multiple pilosebaceous cysts with overlapping histologic features.
21 citations
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January 2009 in “Indian journal of dermatology, venereology, and leprology” A new method can better diagnose eruptive vellus hair cysts.
12 citations
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May 2001 in “British journal of dermatology/British journal of dermatology, Supplement” A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.
6 citations
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February 2010 in “Journal of The American Academy of Dermatology” This case report details a 31-year-old woman with a subcutaneous nodule on her hand characterized by necrosis and lymphocytic infiltrate.
May 2020 in “JOJ Dermatology & Cosmetics” This report describes a rare case of Trichostasis Spinulosa on the heel, an uncommon location for this type of lesion.
September 2023 in “Journal of the American Academy of Dermatology” Bullous pemphigoid can look like erythema multiforme, so awareness is needed for proper treatment.
35 citations
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September 2004 in “American Journal of Dermatopathology” This case report introduces 'onycholemmal carcinoma' as a designation for a slowly growing malignant tumor of the nail bed epithelium in a 69-year-old male, with no recurrence or metastasis observed over four years after treatment.
1 citations
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September 2023 in “World Journal of Clinical Cases” In this study, researchers reported that shearing combined with electrocautery and curettage effectively removed eyebrow intradermal nevi in two adult patients, with no recurrence or significant scarring, suggesting this method is both safe and cosmetically advantageous.
December 2021 in “International journal of research - granthaalayah” This report discusses a case of pilomatrixoma, an uncommon benign skin tumor, and emphasizes the importance of histopathological analysis for accurate diagnosis to avoid misdiagnosis as malignancy.
1 citations
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August 2021 This case report describes a 10-year-old patient with a rare trichilemmal cyst in the cervical region, highlighting the importance of close monitoring due to potential risks of malignancy.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” This case report describes an unusual nail tumor termed "onycholemmal horn" in a 77-year-old woman, highlighting its distinct histopathological features and the importance of excisional biopsy for accurate diagnosis.
2 citations
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August 2025 in “Reports — Medical Cases Images and Videos” In this case report, a rare melanotrichoblastoma tumor was identified in a 51-year-old female following the histological and immunohistochemical analysis of a lesion on the pubo-inguinal area, presenting with strong epithelial marker positivity and a low proliferative index.
March 2019 in “Nasza Dermatologia Online” This case report describes a 52-year-old woman with a rare combination of pemphigus vulgaris and pemphigus foliaceus on the scalp, initially misdiagnosed as psoriasis, who achieved clinical remission and hair regrowth with corticosteroid treatment.