Oliveira, Inês and Carvalho, Joana and Rosa, Rita and Barata, Catarina (2019) The Reversed Halo Sign: Not Such a Specific Sign of Organising Pneumonia. European Journal of Case Reports in Internal Medicine, 6 (11). ISSN 2284-2594
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Abstract
The reversed halo sign is defined as a focal rounded area of ground-glass opacity surrounded by a more or less complete ring of consolidation. It is a relatively rare sign and initially considered a specific sign of organising pneumonia. We report the case of a 55-year-old female who was being followed-up in a pulmonology consultation due to a 6 mm nodule which required vigilance. On a re-evaluation chest CT scan, besides a stable 6 mm nodule, a 36 mm mass with the reversed halo sign was diagnosed. The presence of the reversed halo sign misled the multidisciplinary team into the diagnosis of organising pneumonia and initiation of corticotherapy was suggested. However, after further investigation, a final diagnosis of pulmonary tuberculosis was made. Even though this sign is relatively rare, and still considered an important clue to the diagnosis of organising pneumonia in immunocompetent patients, other causes must be excluded before starting treatment.
| Item Type: | Article |
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| Uncontrolled Keywords: | Reversed halo sign, organising pneumonia, pulmonary tuberculosis |
| Subjects: | 600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici) > 616 Malattie (classificare qui la Clinica medica, la medicina basata sull'evidenza, la Medicina interna, la Medicina sperimentale) |
| Depositing User: | Chiara D'Arpa |
| Date Deposited: | 19 Nov 2020 09:34 |
| Last Modified: | 19 Nov 2020 09:34 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/19586 |
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