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In this case report, researchers described a unique skin lesion in a 55-year-old woman, identifying it as folliculosebaceous cystic hamartoma with an unusual combination of spindle cell lipomatous and neural components, which had not been previously documented in such cases.

Vertebrate skin evolved to be more specialized and complex, especially in land animals.

This case report presented a 52-year-old man with cutaneous focal mucinosis, exhibiting rare follicular induction of the epidermis, underscoring the importance of recognizing this association in differential diagnoses.

This study found that implanting hair follicle dermal sheath cells in rat skin wounds significantly accelerated wound contraction and healing compared to controls.

This report describes the first documented occurrence of Vohwinkel's disease combined with congenital alopecia universalis in siblings from the same family, both unresponsive to prior treatments.

A pregnant woman's skin condition improved after giving birth, possibly due to high estrogen levels during pregnancy.

This case report describes a 36-year-old woman with hidradenitis suppurativa whose condition progressed to rapidly fatal squamous cell carcinoma, highlighting the potential for aggressive tumor development linked to specific protein markers.

This case report describes an ulcerated lesion in the oral cavity of an 85-year-old man that has not responded to various treatments and remains without a conclusive diagnosis.

This study reports that elderly men with baldness and comorbid conditions experienced persistent scalp erosions following topical treatment with imiquimod or diclofenac, suggesting alternative therapies should be considered for this group.

In this study, researchers observed that oncogenic HrasG12V in single murine epidermal cells leads to an initial increase in progenitor cell renewal, but ultimately results in balanced cell fate choices that limit clone growth.

This case report describes a 21-day-old infant with erythematous annular scaly plaques and pustules on the face and scalp, which did not improve with topical corticosteroid cream.

This case report details a middle-aged man with multiple sclerosis who developed difficult-to-evaluate skin reactions after daclizumab treatment, noting only slight improvement with additional therapies.

This study found that a bulge stem cell-enriched population from canine hair follicles successfully formed interfollicular epidermis in vitro within two weeks, suggesting potential for regenerative canine skin therapies.

This study described two cases of trichoblastomas in the tactile hair skin of aged house musk shrews, highlighting that their histological structure differs from that in humans and other animals.

This review examines the role of epidermal stem cells in wound healing, discussing their characteristics and mechanisms, but does not report new clinical results.

This case study reported a 15-year-old girl with a nevus sebaceus of Jadassohn, where a secondary neoplasm potentially developed into either pigmented trichoblastoma or pigmented basal cell carcinoma, highlighting the importance of early recognition and evaluation of such lesions for effective management.

This case report describes a rare occurrence of pincer nail deformity in a patient with systemic lupus erythematosus, potentially linked to Raynaud's phenomena as a contributing factor.

In this case report, a 24-year-old male with a translucent nodule in the left nasolabial fold was diagnosed with a solitary fibrofolliculoma with cystic changes upon histopathology, emphasizing the rarity and potential for misdiagnosis of these benign cutaneous tumors.

This study found that epidermal stem cells in nonglabrous skin are connected to the distal end of the arrector pili muscle, which may play a role in epidermal renewal and wound healing.

This study found that overexpression of activin in transgenic mice led to enhanced granulation tissue formation after skin injury due to changes in keratinocyte proliferation and differentiation.

The study suggests that abnormal activation of hair follicle stem cells and Wnt10b/β-catenin signaling may contribute to the development of sebaceous neoplasms.

This study observed that common skin changes in patients with type 2 diabetes included peripheral hair loss, xerosis, anhydrosis, and nail alterations, underscoring the importance of controlling blood sugar and foot care to prevent neuropathy complications.

This study found that trichostasis spinulosa was present in some seborrheic keratoses, indicating they may partly originate from hair follicle cells.

This case study reports a female adult patient with annular elastolytic giant cell granuloma on the scalp, observed through dermoscopy showing multiple yellowish/orange follicular dots against an erythemato-whitish background.

Dr. Connelly agrees that linear basal cell carcinomas might be more aggressive but highlights the study's lack of clear criteria to identify them.

This study found that human basal cell and squamous cell carcinomas have distinct gene expression patterns, with specific up-regulation of zinc finger encoding genes in basal cell carcinoma.

This correspondence questions the assertion in a 1961 article that lichen sclerosus et atrophicus does not lead to carcinoma, citing a case contrary to the author's claim.

This case report describes a rare instance of pilomatricoma, a benign tumor of the hair follicle, accompanied by striae distensae on a young man's flank, emphasizing the uniqueness of this presentation for timely diagnosis and care due to its potential for malignant transformation.

Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.