Atoll sign or reversed halo sign? Which term should be used?
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Atoll sign or reversed halo sign? Which term should be used?
We read with great interest the article by Walsh and Robertson reporting a case of cryptogenic organising pneumonia. The authors included wonderful images of a CT pattern they called the ‘atoll sign’, which has been described by other authors as the ‘reversed halo sign’. Zompatori et al first used the term ‘atoll sign’ in 1999 to describe the imaging finding of a focal rounded area of ground-gl...
متن کامل"Reversed halo sign".
Appearance: The reversed halo sign (also known as the atoll sign, reverse halo sign, and the fairy ring sign) is defined by central ground-glass opacity with a surrounding halo or crescent of consolidation (Fig. 1). This should not be confused with the halo sign which refers to central consolidation with a surrounding halo or rim of ground-glass opacity. Furthermore, the reversed halo sign shou...
متن کاملReversed halo sign
1. Universidade Federal Fluminense, Niterói (RJ) Brasil. 2. Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil. 3. Faculdade de Medicina de Petrópolis, Petrópolis (RJ) Brasil. 4. Santa Casa de Misericórdia de Porto Alegre, Porto Alegre (RS) Brasil. 5. Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre (RS) Brasil. A 35-year-old man presented to the emergency...
متن کاملReversed halo sign in acute schistosomiasis
1. Professor, Graduate Program in Health Sciences, Faculdade de Medicina de São José do Rio Preto – FAMERP, São José do Rio Preto School of Medicine – São José do Rio Preto, Brazil 2. Adjunct Professor, Faculdade de Medicina de São José do Rio Preto – FAMERP, São José do Rio Preto School of Medicine – São José do Rio Preto, Brazil 3. Physician, Ultra X, São José do Rio Preto, Brazil 4. Professo...
متن کاملReversed halo sign in pulmonary zygomycosis.
REFERENCES 1. National Clinical Guideline Centre. Chronic obstructive pulmonary disease: management of adults with chronic obstructive pulmonary disease in primary and secondary care. Updated. London: National Clinical Guideline Centre, 2010. 2. Department of Health/Respiratory Team. Consultation on a strategy for services for chronic obstructive pulmonary disease (COPD) in England. London, Dep...
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ژورنال
عنوان ژورنال: Thorax
سال: 2011
ISSN: 0040-6376
DOI: 10.1136/thx.2010.155481