Papular Granuloma Annulare

Smith, Rebecca L.

doi:10.1007/978-1-4614-8344-1_52

Cited by 2 publications

(1 citation statement)

References 27 publications

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“…Conversely, the less typical papular presentation of GA lacks the characteristic ring and hence may be misinterpreted as an acne eruption. However, acne can be excluded due to dissimilar affected areas, no epidermal change, the absence of comedones and pustules, and a uniform morphology of GA lesions when compared to acne [50]. GA can appear at any age; nevertheless, it is predominantly observed in children and young adults, with a twofold higher incidence in females compared to males.…”

Section: Papular Granuloma Annularementioning

confidence: 99%

Acne-like Eruptions: Disease Features and Differential Diagnosis

et al. 2023

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The term “acne-like eruptions” encompasses a variety of skin conditions resembling acne vulgaris. While both acne-like dermatoses and true acne are frequently observed in clinical settings, differentiating between the two might be challenging. Similar to acne, the lesions of acne-like eruptions may exhibit papules, pustules, nodules, and cysts. However, contrary to acne, comedones are uncommon but may still be observed in certain types of acne-like eruptions. Moreover, acne-like eruptions can be differentiated from acne based on their sudden onset, the propensity to occur across all age groups, the monomorphic appearance of lesions, and the distributions extending outside the seborrheic regions. The development of acne-like eruptions cannot be attributed to a single underlying mechanism; nevertheless, various factors such as patient age, infections, occupation, habits, cosmetics, and medications may be involved. The observed lesions may not respond to standard acne therapy, necessitating that treatment strategies are tailored in accordance with the identified causative agents. The following review aims to outline distinct entities of acne-like eruptions and present features that set them apart from true acne. Acne-like eruptions in the adult population, infectious diseases resembling acne, and acne-like eruptions resulting from exposure to chemical and physical agents are addressed in this paper. An understanding of the clinical presentation, pathophysiology, and epidemiology of this group of dermatoses is pivotal for a precise diagnosis and provision of appropriate care.

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Section: Papular Granuloma Annularementioning

confidence: 99%

Acne-like Eruptions: Disease Features and Differential Diagnosis

et al. 2023

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Photocurrent Recombination Through Surface Segregation in Al–Cr–Fe–O Photocathodes

Stein

Zhang

et al. 2019

Zeitschrift Für Physikalische Chemie

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Chemical surface segregation is a design variable in the optimization of phocathodes but has largely been investigated through surface passivation or decoration. In this study a long charge carrier lifetime material, Al–Cr–Fe–O, exhibiting strong photocurrent recombination is investigated for its atomic scale crystallographic and chemical inhomogeneity. Combined scanning transmission electron microscopy and atom probe tomography unveils that insulating Al- and Cr-rich surface layers form during processing. These are discussed to be the primary reason for experimentally observed charge carrier recombination. This study highlights the importance of processing in the design, discovery and optimization of new light absorber materials for photoelectrochemical water splitting.

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Papular Granuloma Annulare

Cited by 2 publications

References 27 publications

Acne-like Eruptions: Disease Features and Differential Diagnosis

Acne-like Eruptions: Disease Features and Differential Diagnosis

Photocurrent Recombination Through Surface Segregation in Al–Cr–Fe–O Photocathodes

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