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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 study found that the keratin expression in basal cell carcinoma resembles that of the pilosebaceous apparatus, with uniform presence of certain keratins in all cases.

This review discusses autologous tissue engineering strategies and skin-derived stem cell transplantation products, noting clinical challenges and highlighting ongoing trial activities, without reporting new clinical outcomes.

This case report describes an 18-year-old male with a rare acquired smooth muscle hamartoma on his face, characterized by hyperpigmented plaques and increased hair growth, suggesting a histological overlap with folliculosebaceous cystic hamartoma.

This study found that desmosomal adhesion plays a crucial role in epithelial morphogenesis and cell positioning, equivalent in importance to that of adherens junctions.

This case study reports a novel mutation in the TRPV3 gene causing atypical Olmsted syndrome, characterized by disabling keratoderma and squamous cell carcinoma, highlighting the need for careful long-term monitoring in affected patients.

In this retrospective study, patients with cutaneous squamous cell carcinoma located in highly sun-exposed areas had a higher risk of local recurrence compared to those with tumors in less sun-exposed areas, though metastasis rates did not differ between the groups.

This study observed that acanthosis nigricans is highly prevalent in Latin American youths, especially at the knuckles, and may indicate early insulin resistance even in those with a normal BMI.

This study found that cutaneous squamous cell carcinomas in mice infected with murine papillomavirus preferentially arise from Lgr5+ progenitor cells, while squamous cell dysplasia does not.

This article reviews organotypic skin culture systems and their applications in dermatological research, highlighting their ability to model human epidermal conditions in vitro, but it reports no new clinical results.

The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.

In this case study, a 69-year-old male with a neck swelling was diagnosed with a trichilemmal cyst, highlighting the importance of complete surgical excision for lesions with proliferative or malignant potential.

This research observed that multifocal pseudoepitheliomatous hyperplasia may explain some cases of squamous nests in vulvar lichen sclerosus with lichen simplex chronicus, potentially as a reaction to tissue damage rather than squamous cell carcinoma.

This case report details the first pediatric occurrence of naevus trichilemmocysticus, a newly defined type of organoid naevus.

This study reports the first known case of multiple type nevus lipomatosus cutaneous superficialis in a 10-month-old girl, with the unique feature of perifollicular fibrosis.

In this study, the staining properties of two types of cysts, epidermal and pilar, were found to differ, supporting their origins from the epidermis and the trichilemmal hair follicle layer, respectively.

This case report describes a 69-year-old woman with excessive facial hair growth over six months and provides details on her medical history and examination.

This review discusses osteoma cutis, a rare benign condition involving bone formation in the skin, covering its potential origins, diagnostic methods, and treatment options, without presenting new clinical findings.

This study reveals that somatosensory neurons in mouse skin exhibit structural plasticity during hair-follicle regeneration, which may temporarily impair the reliability of encoding gentle touch.

This case study documented a black male newborn developing large bullae that healed with hypopigmentation, suspecting proteolytic enzymes in keratinocytes caused the collagenolysis responsible for the condition.

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

This report discusses a case of an intradermal nevus in a 42-year-old woman and provides no clinical findings beyond a biopsy showing hyperkeratosis and cellular pigmentary changes.

This case report describes a trichoblastoma in a 58-year-old man's leg, which was successfully excised without recurrence observed after 9 months.

This study investigated pilomatrixoma, a benign skin tumor, and found that irregular expression of β-catenin and Lef-1 in transitional cells may contribute to amorphous debris and cyst formation.

This study suggests that skin tumor cells in tuberous sclerosis complex may promote hamartoma morphogenesis by expressing and releasing higher levels of cathepsin B.

This study found that transplanted ES cell-derived epidermal stem cells promoted the formation of epidermis, sweat gland-like, sebaceous gland-like, and hair follicle-like structures in mouse skin defects.

In this study, researchers developed a method using stencils to create controlled stiffness gradients in alginate hydrogels, revealing that stiffer regions within the gels promote deeper invasion by breast cancer cells, facilitating the study of mechanosensitive cellular behaviors.

A heart transplant patient developed a skin condition called epidermodysplasia verruciformis after taking immune-suppressing drugs.

This study introduces the term "hair matrix cyst" for a cyst with both pilomatricoma and epidermal cyst characteristics, highlighting its potential for misdiagnosis among similar skin conditions.

This study reported the creation of isogenic immortalized COL7A1-deficient keratinocyte lines, providing a model for researching Recessive Dystrophic Epidermolysis Bullosa biology and potential therapies.