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This report presents a case of a seven-year-old girl with porokeratotic adnexal ostial nevus manifesting as hyperkeratotic verrucous papules on her left foot.

This study seeks to clarify the terminology and classification of keratoacanthoma and similar squamous cell carcinoma lesions with central keratin-filled craters to aid in accurate differential diagnosis.

This case report establishes the diagnosis of seborrheic keratosis in an elderly Indian woman based on histopathological examination, highlighting its potential to mimic malignant tumors and emphasizing the importance of differential diagnosis.

HPV 60 may cause cysts and warts on the face, not just hands and feet.

This case report describes a 28-year-old man with widespread pigmented basal cell carcinomas and recurrent infections that were challenging to control, associated with nevus comedonicus and a rudimentary toe.

This abstract contains no research findings and pertains only to website navigation and policies.

Elkonyxis, a rare nail condition, improved when patients stopped their nail-picking habits.

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 onychomatricoma can fully mimic the nail unit and differentiate toward the nail bed and isthmus, distinguishing it from other pilar tumors.

This report presents four new cases of follicular porokeratosis, which exhibit distinct histological features where the cornoid lamella are confined to the follicular ostia.

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.

This study found that nevoid basal cell carcinomas originate in the epidermis and upper hair follicles, resembling early nonnevoid basal cell carcinoma proliferations.

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.

In this case report, adult-onset porokeratotic eccrine ostial and dermal duct nevus improved with topical tazarotene treatment, as evidenced by dermatoscopic images.

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

This report describes a case of trichostasis spinulosa, a condition with pruritic, black papules on the face caused by keratotic plugs with embedded vellus hairs.

This report describes a unique benign neoplasm on the nail unit called onychoblastoma, which histologically resembles a trichoblastoma, marking the first documented case of this tumor type.

This report discusses a 77-year-old man with primary onycholemmal carcinoma, a rare nail bed tumor, emphasizing its slow growth, diagnostic challenges, and treatment typically involving surgical removal.

This study reported that the concept of the onychodermis, defined by CD10 expression, is present in the developing nail organ and may play a role in nail plate formation.

Older adults may experience painful finger pitting due to nerve changes in aging skin, and treatments can help reduce symptoms.

This study demonstrated that hiPSC-derived hair-bearing skin organoids lacked sufficient type VII collagen at the epidermal-dermal junction, indicating a need for further maturation to model certain forms of epidermolysis bullosa effectively.

This case report details a 12-year-old boy with Lichen Spinulosus and plantar keratoderma, who responded well to topical treatments including lactic acid, urea, and betamethasone valerate.

This review discusses the cornification process of epidermal keratinocytes in forming the skin barrier and reports no new results; it emphasizes the importance for diagnosis and treatment of skin disorders.

In this study, a case of a 20-year-old woman revealed ectopic acanthosis nigricans at a post-syndactyly-release surgical site, suggesting this rare condition could result from epidermal–dermal mismatch and altered growth factor signaling in grafted skin, without indicating any metabolic or malignancy concerns.

This study suggests that large corneal stem cells isolated from the stratum corneum may be capable of covering central wound areas when transplanted onto granulation tissue.

This case report observed a dramatic improvement in a 15-year-old girl's pachyonychia congenita symptoms during chemotherapy for Ewing sarcoma, suggesting chemotherapy's potential role in managing hyperkeratotic conditions.

A case study reported a 15-year-old boy with a diagnosis of giant folliculosebaceous cystic hamartoma on his right buttock, characterized by malformed hair follicles and sclerotized collagen.

This study found that callus extracts from apple 'Hirosaki' may improve collagen synthesis, hair follicle cell proliferation, and possess significant anti-inflammatory properties.