[Methotrexate pneumonitis]
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Updated: Oct 12, 2026

Endobronchial Ultrasound-guided Intratumoral Injection of Cisplatin for the Treatment of Isolated Mediastinal Recurrence of Lung Cancer
Published on: February 12, 2017
K Zingg1, M Grossenbacher, D Conen
1Medizinische Klinik, Kantonsspital Aarau.
Abstract:
A 72 year old female with rheumatoid arthritis was treated with methotrexate for nine months. Four days before admission she complained of dyspnea NYHA III. Chest-X-ray revealed diffuse interstitial pneumopathy. Pulmonary infection was excluded by several microbiological samples. A pulmonary manifestation of rheumatoid arthritis is usually more chronic. Methotrexate-induced pneumonitis remained the most probable diagnosis. We halted methotrexate and initiated therapy with glucocorticoids. This treatment led to rapid clinical improvement and complete resolution of radiological changes.
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