Target-shaped combined halo and reversed-halo sign, an atypical chest CT finding in COVID-19
نویسندگان
چکیده
منابع مشابه
"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 کاملThe Reversed Halo Sign: Another Atypical Manifestation of Sarcoidosis
We read with great interest the well-written and informative pictorial essay by Park et al. (1), which reviews the thoracic manifestations of sarcoidosis, classifying them as typical and atypical. They indicate that the less frequent and unusual manifestations may be observed in 25% to 30% of cases, emphasizing the difficulty to differentiate sarcoidosis from other diseases, and the importance ...
متن کاملReversed halo sign in invasive fungal infections.
Recent studies conducted in Brazil(1-3) have stressed the importance of the reversed halo sign (RHS) in the diagnosis of lung diseases in immunocompetent patients. However, the RHS in immunocompromised patients has not received the same emphasis. Here, we report the case of a 51-year-old female patient who presented with a 10-day history of generalized ecchymosis and weakness. A complete blood ...
متن کاملReversed halo sign in active pulmonary tuberculosis.
To cite: Nattusamy L, Madan K, Bhalla AS, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/ bcr-2013-202981 DESCRIPTION A 35-year-old male patient presented with history of fever and cough of 2 months duration. The patient had lost appetite and 8 kg weight over 2 months. On examination of the respiratory system, scattered crackles were audible bilaterally. Rest ...
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ژورنال
عنوان ژورنال: Clinical Imaging
سال: 2021
ISSN: 0899-7071
DOI: 10.1016/j.clinimag.2020.06.038