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This chapter reviews patchy hair loss due to skin disease, nail disorders related to chronic trauma, and treatments for small carcinomas, but it reports no new clinical findings.

Hair transplantation effectively treated a woman's patchy hair loss when other treatments failed.

This report describes a rare case of sarcoidosis occurring on an old blepharoplasty scar in a leukemia patient, suggesting the need for a skin biopsy when firm papules appear on a scar.

This case report observed complete repigmentation of a stable vitiligo patch with body hair transplantation in a 28-year-old man, with no recurrence after 3 months.

This study describes vitiligo as an autoimmune disease marked by depigmented skin and mucosal patches, and reviews its complex pathogenesis and diagnostic features. Treatment aims for disease control and repigmentation through various topical and systemic therapies, phototherapy, and surgical options, emphasizing personalized, multimodal approaches.

This review describes the use of carbon dioxide for aesthetic treatments like skin rejuvenation and scar reduction but does not present new clinical findings.

In this study, the authors describe a new technique using the Ventralex hernia patch for simultaneous umbilical hernia repair during abdominoplasty, observing its application in 11 female patients.

This study found that micro-needling with cosmeceuticals or platelet-rich plasma significantly improved wrinkles, skin laxity, scar softening, and hair growth over 12 months, with minimal side effects, and that the best results occur with pigment and platelet massaging between 5 to 30 minutes post-treatment.

This study on a 30-year-old male reported that single-hair follicular unit transplant effectively repigmented a stable vitiligo patch, achieving complete pigmentation in 8 weeks with no recurrence after 6 months.

This report describes early and late stages of central centrifugal cicatricial alopecia in two Black women, highlighting progression from a small to a large central patch of hair loss.

This paper presents a case of a young male with a family history, showing overlap between ulerythema ophryogenes and keratosis follicularis spinulosa decalvans, affecting both eyebrows and scalp with cicatricial patchy alopecia.

This study examined the use of medical dermapigmentation to restore lip appearance after traumatic injuries, finding that a staged approach effectively camouflages scar tissue, enhances symmetry, and improves psychological well-being, demonstrating benefits in a clinical case of a dog bite.

This historical review examines the diagnostic and etiological understanding of alopecia areata, emphasizing the evolution of theories and the impact of immunological data, while providing no new clinical results.

This report describes a rare case of pseudopelade of Brocq in a 20-year-old male, emphasizing its unique presentation with scalp hair loss and mild itching.

In this case report, a 40-year-old woman with folliculitis decalvans exhibits symptoms like itchy papules and patchy hair loss, illustrating the importance of distinguishing this condition from similar scarring alopecias for appropriate treatment.

This study found that the film-trigger applicator system enhanced drug delivery efficiency and skin penetration of dissolving microneedles compared to traditional patch systems in both lab and animal models.

This report describes a rare case of alopecia areata coexisting with primary scarring alopecia, diagnosed through detailed trichoscopic investigation, highlighting the importance of comprehensive examination for accurate diagnosis.

This study found that lichen planopilaris was the most common variant of cicatricial alopecia among patients, with perifollicular fibrosis being a prevalent histopathological feature.

This study reports that using a hydrogel-based therapy that dynamically regulates reactive oxygen species helps achieve skin regeneration in infected wounds, promoting organized dermal architecture with improved hair follicle and blood vessel formation, rather than scar formation.

This case report highlights a rare instance of filler-induced alopecia in a young woman following hyaluronic acid filler injections, showing successful hair regrowth and scar resolution through multidisciplinary treatment including hyaluronidase and other therapies, emphasizing early recognition and intervention.

The document concludes that different types of hair loss have specific treatments, and early diagnosis is crucial for preventing permanent hair loss.

This case report describes a rare instance of dissecting cellulitis of the scalp in a White child, which is uncommon in pediatric cases and presented challenges in diagnosis and treatment.

In this case study, a 53-year-old female with multiple autoimmune symptoms was diagnosed with Mixed Connective Tissue Disease, confirmed by specific antibodies, and showed significant clinical improvement after one year of treatment.

This review discusses evidence-based guidance for managing primary cicatricial alopecias but reports no new clinical results, highlighting significant gaps in knowledge and the need for more quality trials.

This review assesses the use of platelet-rich plasma in dermatology and concludes that while there may be modest benefits for certain conditions, more evidence is needed before it can be widely recommended.

This review examines the regeneration capabilities of skin, oesophagus, and oral mucosa, highlighting the oral mucosa's unique scarless healing properties and the potential of cell therapy to improve scar reduction in wound healing.

This study observed that cutaneous microwounds created by fractional photothermolysis heal differently from typical wounds, displaying rapid re-epithelialization and limited inflammation, which may help reduce scar formation by delaying collagen remodeling and minimizing myofibroblast activation.

The new surgical technique for vitiligo is effective, safe, and cost-efficient.

Dermoscopy is useful for diagnosing and monitoring discoid lupus erythematosus by showing specific skin patterns.

This study observed that COVID-19 infection in cancer patients may worsen lung damage, leading to over a 50% reduction in lung volume and increased lung density due to scar tissue formation.