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05 September 2016 : Case report  Croatia

Successful Treatment of Autoimmune Pulmonary Alveolar Proteinosis in a Pediatric Patient

Management of emergency care, Rare disease, Adverse events of drug therapy, Educational Purpose (only if useful for a systematic review or synthesis)

Mirjana TrukaljABDEF, Marija PericaBDEF, Željko FerenčićDE, Damir ErcegDEF, Marta NavratilBDE, Gzim RedžepiDE, Boro NogaloDEG

DOI: 10.12659/AJCR.897868

Am J Case Rep 2016; 17:641-645

Abstract

BACKGROUND: Pulmonary alveolar proteinosis (PAP) is a rare condition characterized by the intra-alveolar accumulation of surfactant-derived material, which impairs gas exchange and results in respiratory insufficiency. Two major subtypes of PAP are autoimmune and non-autoimmune PAP. The diagnosis relies on clinical presentation, ground glass opacities on CT scan, bronchoscopy with PAS stain of BAL fluid (BALF), lung biopsy with PAS-positive material in the alveoli, and the presence of anti GM-CSF antibodies in serum or BALF for an autoimmune subtype. The therapeutic approach to pediatric cases varies according to age and the general clinical state of the child; however, whole lung lavage (WLL) and inhaled or subcutaneous GM-CSF are generally first-line therapy.

CASE REPORT: We report a unique case of an autoimmune type of PAP in a 12-year-old boy, who underwent successful bilateral lung transplantation after inefficacious treatment with GM-CSF, and who developed post-transplant lymphoproliferative disease (PTLD) and was successfully treated with a chemotherapeutic protocol.

CONCLUSIONS: Although lung transplantation is a rarely used therapeutic approach for patients with an autoimmune subtype of PAP, in cases of inefficacious treatment with other modalities, lung transplantation should be considered.

Keywords: Biopsy, Autoimmune Diseases, Bronchoalveolar Lavage - methods, Bronchoscopy, Child, Preschool, Granulocyte-Macrophage Colony-Stimulating Factor - therapeutic use, Lung - diagnostic imaging, Pulmonary Alveolar Proteinosis - therapy, Tomography, X-Ray Computed

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923