Flame figures dermatopathology
WebApr 30, 2002 · In all specimens, flame figures and/or large foci of so-called ‘collagen degeneration’ were detected and histopathological features were not predictive of the … WebFlame figures represent a characteristic but nondiagnostic histological finding in eosinophilic dermatoses. Some bullous autoimmune diseases with a predominant eosinophilic infiltrate, such as bullous pemphigoid, pemphigoid gestationis, and pemphigus vegetans, may show them. However, it is rare to find them in predominant neutrophilic …
Flame figures dermatopathology
Did you know?
WebFlame figures are a characteristic histologic feature of Wells'syndrome (eosinophilic cellulitis). In this light and electron microscopic study, the ultrastructure of flame figures … WebAlthough the classic histologic hallmark of Wells syndrome is scattered flame figures, this finding is not specific and can be found in other hypereosinophilic conditions. 2 Clinical manifestations most often consist of 2 distinct phases: an initial painful burning or pruritic sensation, followed by the development of erythematous and edematous ...
WebJul 18, 2024 · It has been postulated that periodic acid–Schiff staining of basement membrane can predict direct immunofluorescence patterns seen in epidermolysis bullosa acquisita and bullous pemphigoid. It has also been suggested that the type of inflammatory infiltrate or presence of fraying of basal keratinocytes may differentiate these two conditions. WebJul 18, 2024 · Ammonia (NH3) has emerged as an attractive carbonless fuel that can be co-fired with hydrocarbon fuel to reduce carbon dioxide emissions. To understand the influence of NH3 on soot formation when co-fired with hydrocarbons, the soot formation propensity is experimentally investigated via a laminar diffusion jet flame. A stable ethylene (C2H4) jet …
WebOct 13, 2024 · Fire propagation and burning characteristics of upward flame spread over flexible polyurethane (FPU) foam board were investigated under coupling effects of pressure and orientation. As a further comparative research of our previous work, three pressures (70, 85 and 100 kPa) and four fuel surface inclination angles (0°, 30°, 60°, … WebThe American Journal of Dermatopathology: August 2001 - Volume 23 - Issue 4 - p 295-298. Buy; Abstract. ... In some tiny foci, enveloped by histiocytes, thick collagen bundles associated with basophilic nuclear debris or “flame figures” were seen. Vasculitis, interface dermatitis, or lymphoid atypia were absent. ...
WebJul 8, 2016 · Palisading of neutrophils, leukocytoclastic debris, and flame figures caused by the accumulation of degranulated neutrophilic contents were observed, but there was no frank vasculitis or granuloma formation. These features were consistent with SLE-associated palisaded neutrophilic granulomatous dermatitis (PNGD).
WebEosinophilic infiltration with flame figures is a distinctive reaction to various stimuli. It may be seen in a wide variety of clinical conditions and is not confined solely to patients with Wells' syndrome, which may be an acceptable term for clinically typical cases. dict.existsWebAug 24, 2016 · Eosinophilic cellulitis with ‘flame figures ... INTRODUCTION. Dermatopathology requires years of training and practice to attain an acceptable level of diagnostic skill. Many have found this process an exciting and challenging one, well worth the expenditure of time and intellectual effort. To the trainee, there seems to be an … cityclopeThis glossary describes dermatopathological terms. It is arranged alphabetically. If you don't find what you are looking for in this list, try our general glossary, TopicsA–Z indexor the DermNet search box. See more Acantholysis is the separation of keratinocytes within the epidermis due to the loss of adhesion between keratinocytes. … See more Acanthosis is a thickening of the epidermis and elongation of the rete ridges due to thickening of the spinous layer +/- enlargement of rete pegs. Typical examples include … See more Acantholytic dyskeratosis is the reaction pattern characterised by suprabasal clefting and acantholysis and dyskeratotic keratinocytes. Acantholytic dyskeratosis may be seen in various conditions but classically Darier … See more Apoptosis is the regulated, normal physiological process by which a cell undergoes a process of dying/self-destruction in the presence of a suitable signal(s) from the … See more city clock kenyaWebOct 28, 2024 · ( a) Dense dermal inflammatory infiltrate, mostly made of lymphocytes with numerous widespread eosinophils, with hyperplastic overlying epidermis. Eosinophils are associated with foci of collagen necrosis to yield “flame … city clockWebMar 24, 2024 · Caused by fleas, bed bugs, biting flies, mosquitoes, ants, ticks and spiders. Most bites are clinically self limited and not biopsied. Bites from brown recluse and … city clock french flag eiffel towerWebApr 9, 2024 · Flame-retardant polymeric coatings with high limiting oxygen index (LOI) were prepared by combining inorganic mineral huntite (H5) and polymeric additives synthesized in the present work into a polymeric formulation. In order to improve the dispersion of the Mg- (and Ca)-based H5 particles, additives containing phosphonium and acidic groups were … city clock apartments coatesville paWebFeb 29, 2024 · Flame figures Eosinophilic cellulitis Well’s syndrome Download chapter PDF History and Clinical A 20-year-old female presented for evaluation of a rash on her right arm. It began one week prior to her visit after she went hiking at a local park. Since then, the patient reported that it was spreading outwards. dict expected at most 1 argument got 10