We describe three cases of pulmonary aspergillosis (PA) in three patients without traditional risk factors for invasive aspergillosis infection, such as prolonged neutropenia or high dose systemic corticosteroid therapy. All three patients developed PA while taking tyrosine kinase inhibitors (TKI) and sustained greater clinical improvement once TKI were withdrawn. Our case series supports the theory TKI treatment can increase susceptibility to PA without causing neutropenia. Recognition that TKI treatment may predispose to invasive aspergillosis will allow for rapid recognition of affected patients and more effective management of future cases.
- drugs: respiratory system
- haematology (drugs and medicines)
- malignant disease and immunosuppression
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Patient consent for publication Obtained.
Contributors Tajwar Nasir, Claudia Lee and Alexandra Lawrence each helped to obtain clinical information and images for the case reports and wrote the body of the manuscript. Jeremy Brown developed the hypothesis and provided guidance for writing and final review of the article prior to submission.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.