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Vol. 59. Issue 7.
Pages 451 (July 2023)
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Vol. 59. Issue 7.
Pages 451 (July 2023)
Clinical Image
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Chest Wall Tuberculosis Mimicking Hydatid Cyst
Visits
2140
Daniel Otero, Montserrat Blanco
Corresponding author
montseblancoramos@hotmail.com

Corresponding author.
, Eva García-Fontán
Thoracic Surgery Service, Hospital Álvaro Cunqueiro, Estrada de Clara Campoamor, 341, CP. 36213 Vigo, Spain
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We present the case of a 36-year-old woman, who was referred, for clinical rib pain of several weeks’ development, accompanied by a fixed and indurated tumour in the right posterolateral chest wall (Fig. 1a). We conducted a computed tomography, which revealed a cystic-necrotic mass with involvement of the intermuscular plane and intrathoracic extension that presented an extrapleural soft tissue component and coarse calcifications (Fig. 1b). To better characterise the lesion, we requested a magnetic resonance. This revealed a encapsulated lesion with alteration of the signal of the musculature that suggested rupture of the lesion. In T2 sequences, we identified hypointense membranes suggestive of vesicles. Rupture of a hydatid cyst was considered as a diagnostic possibility (Fig. 1c).

Fig. 1.

(a) Tumour in the right posteriolateral chest wall without evidence of inflammation. (b) Axial CT slice showing cystic-necrotic mass with extrapleural extension. (c) Coronal MRI image showing the same lesion with small septums inside.

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Bearing these results in mind, we decided to perform a diagnostic-therapeutic surgical intervention while taking the necessary preventive measures given the possible diagnosis of hydatid cyst rupture. We performed a block resection including muscular planes along with the 8th and 9th right costal arches repairing the wall defect with a Goretex mesh. The anatomopathological analysis revealed a 5cm abscessed necrotising granulomatous inflammation, affecting the soft tissues, with the presence of acid-fast bacilli (AFB), and positive amplification for Mycobacterium tuberculosis complex.

Authors’ contribution

All authors have contributed intellectually to the case, meet the conditions of authorship and have approved the final version of the case.

Funding

There has been no funding or sponsorship for the publication of this article.

Conflict of interest

The authors declare that they have no conflict of interest.

Copyright © 2023. SEPAR
Archivos de Bronconeumología
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