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This case report describes a rare instance of late-onset, bilateral nevus comedonicus of the eyelids in a 79-year-old man, highlighting its clinical and histopathologic features.

This review discusses the clonal or polyclonal nature of skin carcinomas and the stem cell origins of basal and squamous cell carcinomas but presents no new research findings.

This case report describes a rare presentation of nevus comedonicus following the lines of Blaschko, treated with oral isotretinoin and other therapeutic measures, resulting in a reduction of episodic painful cystic lesions.

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.

This case report describes an atypical presentation of eruptive vellus hair cysts on the elbows, where standard diagnostic techniques were unreliable due to the loss of cystic structural integrity.

This case study highlights a pediatric instance of eruptive vellus hair cysts partially responding to calcipotriene cream, aiming to remind clinicians about this often overlooked condition.

In this case report, a 20-year-old man with a birthmark was identified as having a supernumerary nipple, a developmental anomaly, using dermoscopy to distinguish it from other pigmented skin lesions such as melanocytic nevus or basal cell carcinoma.

Using patient's own hair cells can effectively heal chronic leg ulcers.

This review examines the role of stem cells and their niches in continuously growing ectodermal organs like teeth, hair, and claws, providing insights from mouse models without presenting new research findings.

This study found that hoof progenitor cells from fresh equine tissue have multilineage differentiation capabilities, offering insights for future progenitor cell-based hoof and dermal-epidermal tissue engineering.

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 report describes a 23-year-old male with Clouston’s syndrome, characterized by nail abnormalities, palmoplantar skin thickening, anodontia, and androgenic alopecia, highlighting the need for supportive management due to the lack of a definitive treatment.

This case report describes a patient with Clouston Syndrome who developed eccrine syringofibroadenoma, marking only the fourth such association documented in existing literature.

This article presents a case of Olmsted syndrome in a 5-year-old boy, adding to the limited number of reported cases of this rare keratinization disorder.

This case report documents the first known instance of nevoid hyperkeratosis of the nipple and areola with unilateral presentation in a Saudi female, diagnosed through clinical evaluation and biopsy.

In this study, epidermal Notch activation increased jagged 1 expression, leading to skin changes like thickening and blistering, with these effects inhibited when jagged 1 was absent.

This study found that upper-bulge epidermal stem cells in mouse hair follicles are specialized for nerve interactions, crucial for forming tactile sensory units, and influence touch responses via EGFL6 and αv integrin pathways.

This report describes an 11-year-old girl with peripilar keratin casts, a condition often underdiagnosed and mistaken for nits, highlighting the usefulness of keratolytic treatments in management.

This case report describes a 56-year-old woman with wooly hair and skin lesions, who experienced reduced plaque size and thickness after using 6% salicylic acid topically for three months.

This case study in a renal transplant patient observed that eruptive KA-type SCCs exhibited aggressive behavior and genetic expression changes following intralesional chemotherapy, indicating potential caution against routine use of such treatments in similar cases.

This study observed that calcifying epithelioma of Malherbe is composed of tumor cells that differentiate into both hair cortex and outer root sheath, supporting its hair follicle origin.

Stem cells in mouse nails are found in the nail matrix and may control nail growth.

This study found that the SVpgC2a keratinocyte cell line, used as a model for dysplastic epithelium, showed increased apoptosis, proliferation, and aberrant keratin expression compared to normal keratinocytes from buccal mucosa.

This study reports previously unreported nail features in Cronkhite-Canada syndrome, specifically recurrent onychomadesis of all 20 nails linked to systemic illness.

This case study describes a unique instance of warty dyskeratoma involving two adjacent hair follicles within one lesion.

This study found that transgenic expression of COX-2 in mouse basal keratinocytes causes epidermal hyperplasia and certain dysplastic features at specific body sites.

This paper reports a case of sebaceous carcinoma developing at the site of chronic candidiasis in a patient with keratitis–ichthyosis–deafness syndrome, without presenting new generalizable findings.

The researchers reported that BCE-like changes overlying dermatofibroma show a differentiation pattern most similar to normal basal cells based on specific keratin markers.

In this study, researchers identified Tenascin-C as a marker for touch dome keratinocytes, which maintain themselves and can develop into Merkel cells following injury, showing they share molecular traits with various epidermal keratinocytes.

Lactic acid cream can help improve skin bumps known as eruptive vellus hair cysts.