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[A rare pulmonary lesion association]

M Mlika1, A Ayadi-Kaddour, A Marghli

  • 1Service d'Anatomie Pathologique, Hôpital Abderrahman Mami, Ariana, Tunisie. mlika.zorgati.mona@hotmail.com

Revue De Pneumologie Clinique
|July 7, 2012
PubMed
Abstract

Insights

Localized pulmonary amyloidosis associated with MALT lymphoma is rare in Gougerot-Sjögren syndrome. This rare association may have a better prognosis than disseminated amyloidosis.

Area of Science:

  • Pulmonology
  • Oncology
  • Immunology

Background:

  • Pulmonary amyloidoma, a localized form of amyloidosis, can mimic lung cancer.
  • It may be linked to infections, systemic diseases, or lymphomas.

Observation:

  • A 36-year-old patient with diabetes, hypothyroidism, and Gougerot-Sjögren syndrome presented with respiratory symptoms.
  • Imaging revealed bilateral pulmonary nodules and mediastinal lymphadenopathy.
  • Biopsy showed nodular pulmonary amyloidosis with MALT lymphoma and parenchymal destruction.

Findings:

  • Histochemical and immunohistochemical studies confirmed the co-occurrence of nodular pulmonary amyloidosis and MALT pulmonary lymphoma.
  • This occurred in the context of Gougerot-Sjögren syndrome.

Implications:

  • The association of MALT pulmonary lymphoma and localized amyloidosis is rare in Gougerot-Sjögren syndrome.
  • The pathogenesis is unknown, and management is not standardized due to rarity.
  • Localized amyloidosis with MALT lymphoma may indicate a better prognosis than disseminated amyloidosis.

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