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In this case study, long-term treatment with acitretin significantly improved chronic skin conditions like erythematosquamous plaques and follicular hyperkeratoses in a patient, but stopping the treatment led to severe worsening of symptoms.

This case report details a 37-year-old man who developed eosinophilic pustular dermatosis after previously resolving herpes zoster, with successful treatment using itraconazole and cycloproxolamine.

This study suggests that using a dermoscope, a handheld microscope, can effectively help distinguish between Pityrosporum folliculitis and Acne vulgaris by revealing unique lesion characteristics that are not visible to the naked eye, offering a practical diagnostic alternative when KOH examinations are unavailable.

This article discusses eruptive vellus hair cysts, describing their clinical characteristics, and reports no new research findings.

Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.

This study observed a high prevalence of postadolescent acne in adult women, which was often inflammatory and moderately severe, with persistent acne in half the cases and frequent involvement of the mandible.

This article explores potential mechanisms of acneiform skin eruptions linked to EGFR inhibition in cancer patients, focusing on EGFR's role in controlling IL-1-dependent inflammation at hair follicles, but reports no clinical results.

This article reviews the complex role of various biological, genetic, and environmental factors in acne pathogenesis and notes no new clinical results.

In this study, acne was the most common skin manifestation among women with PCOS, significantly correlated with elevated LH levels and the LH:FSH ratio.

This report verifies isotretinoin's significant efficacy in treating severe acne over the past year in the U.S., highlighting the need for careful patient selection and monitoring due to potential side effects.

This article reviews the causes, characteristics, and treatment options for seborrheic dermatitis, discussing its prevalence in specific populations, without providing new research findings.

This study found that Malassezia folliculitis, common among young adult males, can be distinguished from truncal acne by its clinical features and responds well to antifungal treatment.

This study examined severe skin reactions, including erythema and eczema-like lesions, associated with Brazilian keratin treatment, suggesting a drug reaction phenomenon rather than solely irritant or allergic origin.

Adolescents face skin and hair issues due to hormonal changes, needing informed care beyond social media advice.

This study found that adult acne predominantly affects females, with persistent acne being common, and noted a low prevalence of PCOS among female adult acne patients.

This study found that infections and eczematous conditions were the most common skin disorders across all ages, with acne vulgaris being notably prevalent in adolescents and young adults.

This review highlights that obsessive-compulsive disorder and body-focused repetitive behaviors are increasingly encountered in dermatology, often going undetected, and emphasizes the role of dermatologists in early identification and interdisciplinary treatment to address both physical and psychological aspects for improved outcomes.

This study found that certain dietary changes, such as a low glycemic load diet for men and specific supplements for women, may improve acne, while chocolate, whey proteins, and dairy products are linked to worsened symptoms in both genders.

This case report describes a pregnant woman who developed bullous impetigo, which resolved after treatment with clindamycin, suggesting that this condition should be considered in similar blisters in pregnant women.

This case study reports a unique and severe papulopustular eruption, likely induced by sorafenib treatment in a patient with metastatic renal cancer, which manifested as hyperkeratotic spicules and improved with cessation of the drug.

This review discusses the hormonal and genetic factors influencing acne development, emphasizing the role of androgens and insulin signaling but reports no new clinical results.

This study supports the idea that increased intestinal permeability may play a role in causing acne vulgaris and confirms a relationship between diet and acne. Further research is needed to understand how specific foods influence acne through this mechanism.

This review examines scalp contact dermatitis, attributing most positive patch test reactions to hair dyes, hair cleansing products, and medicaments, but presents no new research findings.

This report describes common skin CT features of rosacea identified using a reflective confocal microscope, facilitating more objective diagnosis but highlights the need for further clinical exploration.

This case report suggests that Trichostasis spinulosa should be considered in diagnosing treatment-resistant open comedone-like lesions and that skin surface biopsy might be an effective diagnostic method.

This review discusses the psychological and emotional effects of common dermatologic conditions and highlights their impact on quality of life, but it does not present new clinical results.

This case report describes an 18-year-old male whose acne, unresponsive to traditional treatments and only partially improved with oral isotretinoin, was linked to androgen metabolism anomalies indicative of a non-classical form of congenital adrenal hyperplasia.

This review discusses the potential for SSRIs to cause serious skin reactions and suggests considering alternative antidepressants if such reactions occur.

Acne in dark skin is influenced by environmental factors and can lead to hyperpigmentation, with various treatment options available.