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Paracoccidioidomycosis imaging findings

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Danitza Lukac

Overview

Common chest x-ray findings in chronic PCM include bilateral and symmetric opacities, butterfly wing pattern, architectural distorsion, paracicatricial emphysema and traction bronchiectasis. There are not many chest x-ray finding in acute PCM, but it is characterized by mediastinal and hiliar lymphadenopathy and pleural effusions.[1] On thoraxic CT scan, chronic paracoccidioidomycosis is characterized by ground-glass attenuation, airspace consolidations, interlobular septal thickening, nodular pattern, fibrotic pattern, cavitary lesions, halo sign and reversed halo sign.[1][2][3][4]

Chest X-ray

Computed Tomography

  • Ground-glass attenuation
  • Airspace consolidations
  • Interlobular septal thickening
  • Nodular pattern:
    • Miliary
    • Macronodular
  • Fibrotic pattern:
    • Peribronchovascular interstitial thickening
    • Areas of cicatricial emphysema
    • Traction bronchiectasis
    • Architectural distortion
  • Cavitary lesions
  • Halo sign
  • Reversed halo sign[1][2][3][4]

References

  1. 1.0 1.1 1.2 1.3 Barreto MM, Marchiori E, Amorim VB, Zanetti G, Takayassu TC, Escuissato DL; et al. (2012). “Thoracic paracoccidioidomycosis: radiographic and CT findings”. Radiographics. 32 (1): 71–84. doi:10.1148/rg.321115052. PMID 22236894.
  2. 2.0 2.1 Marchiori E, Valiante PM, Mano CM, Zanetti G, Escuissato DL, Souza AS; et al. (2011). “Paracoccidioidomycosis: high-resolution computed tomography-pathologic correlation”. Eur J Radiol. 77 (1): 80–4. doi:10.1016/j.ejrad.2009.06.017. PMID 19608361.
  3. 3.0 3.1 Funari M, Kavakama J, Shikanai-Yasuda MA, Castro LG, Bernard G, Rocha MS; et al. (1999). “Chronic pulmonary paracoccidioidomycosis (South American blastomycosis): high-resolution CT findings in 41 patients”. AJR Am J Roentgenol. 173 (1): 59–64. doi:10.2214/ajr.173.1.10397100. PMID 10397100.
  4. 4.0 4.1 Souza AS, Gasparetto EL, Davaus T, Escuissato DL, Marchiori E (2006). “High-resolution CT findings of 77 patients with untreated pulmonary paracoccidioidomycosis”. AJR Am J Roentgenol. 187 (5): 1248–52. doi:10.2214/AJR.05.1065. PMID 17056912.

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