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This study found that epithelial components of calcifying epithelioma of Malherbe showed lectin binding and keratin staining patterns similar to normal hair follicles, with prominent Con A staining in tumor giant cells.

Early intervention is important for limited systemic sclerosis patients due to higher pain and ulceration risks.

This study observed that the keratinization pattern of trichilemmal cysts in two Japanese women may originate from the proliferation of the outer root sheath in the follicular isthmus of anagen hairs.

The authors present a case of punctate follicular porokeratosis, suggesting it as a distinct clinical entity distinguished by keratotic lesions originating specifically from hair follicles.

This study found that ossification in trichilemmal cysts may be more common than previously thought, often associated with cyst wall rupture, and reports a novel case of ossifying TC with extramedullary hematopoiesis.

This study found that calretinin immunoreactivity may help identify the innermost cell layer of the outer root sheath in anagen hair follicles and certain cutaneous adnexal proliferations with follicular, sebaceous, and eccrine differentiation.

This case study found that a skin lesion in a Samoyed dog did not match any single known follicular cyst or neoplasm type described in the literature.

This article discusses the characteristics, clinical presentation, and diagnosis of calcified epidermal cysts but reports no new clinical results.

This case report presents a patient with necrobiosis lipoidica exhibiting transepithelial elimination of cholesterol crystals through hair follicles, a finding previously associated with necrobiotic xanthogranuloma.

In this case report, a 40-year-old woman with systemic lupus erythematosus developed calcinosis cutis, a rare complication characterized by calcified deposits in her legs, requiring surgical intervention and ongoing medical treatment due to infection.

This case study reported that reducing glucocorticoids resolved calcinosis cutis in a dog with hypoadrenocorticism, while demodicosis was treated with a fluralaner chewable tablet.

This letter to the editor raises the possibility of a new medical entity characterized by symptoms such as poikiloderma, hyperpigmentation, alopecia, malformed bones, lymphedema, and decreased cortisol, but provides no clinical results.

This abstract provides no research results, focusing instead on navigation and subscription details for JAMA Dermatology content access.

This study proposed a hypothesis for cutaneous calcinosis, suggesting that feeding DHT and subsequent epilation lead to ATP release and calcium orthophosphate formation, initiating calcification in rats.

This study identified various cell types in the canine claw, showing complex mechanisms of cellular differentiation similar to mammalian hair and human nails.

This study found that localized skin calcification could be induced in adult rats through dihydrotachysterol treatment combined with topical trauma, offering an experimental model for calcifying scleroderma.

In this case study, a 15-year-old obese boy was diagnosed with acanthosis nigricans and hair casts in the axillae, with Wood's lamp and dermoscopic examination revealing specific features, yet fungal infection was ruled out through a negative KOH test.

This case series highlights that nail clipping can aid in early detection and surgical planning of onychomatrical tumors by distinguishing between benign and potentially malignant growths based on the cavities' average dimensions.

This study found that cutaneous cysts most frequently appeared as epidermal cysts, with unusual locations posing diagnostic challenges that required histopathological analysis for definitive diagnosis.

Epidermolysis bullosa in calves was not caused by mutations in the keratin genes bKRT5 and bKRT14.

This article proposes a new classification system for cutaneous adnexal cysts based on their origin in the folliculo-sebaceous unit and sweat glands, aiming to clarify their categorization and origins.

In this case report, a 59-year-old woman experienced burning sensations and developed atrophic, hypopigmented, ivory papules and plaques on her palms and soles over three years, which worsened after walking for extended periods.

This study used histopathological and ultrastructural analyses to differentiate between junctional epidermolysis bullosa and dermatomyositis-like disease in two juvenile dogs with skin disorders.

This study found that nevoid basal cell carcinomas originate in the epidermis and the upper part of the hair follicle, showing similarities to nonnevoid basal cell carcinomas.

This study reports a rare case of a 40-year-old woman with multiple calcified trichilemmal cysts, associated with alopecia universalis and suggesting a potential genetic link.

This article reports that cocaine injections can lead to skin lesions containing talc crystals at the sites of injection.

This study observed that while anomalous adipose tissue and displaced eccrine glands were common in certain types of scarring alopecia, these findings did not assist in diagnosis.

In this case study, a 51-year-old Japanese man was diagnosed with desmoplastic trichoepithelioma after histological examination of surgically excised facial plaques.