Bird-related non-fibrotic hypersensitivity pneumonitis with bronchoalveolar lavage fluid eosinophilia that developed after COVID-19 vaccination: A case report.

A 60-year-old man who had been keeping seven budgerigars and four cockatiels in his house for 2 years developed dyspnea and was admitted to our hospital the day after receiving the second dose of the messenger RNA coronavirus disease 2019 vaccination. Chest high resolution computed tomography (HRCT) showed bilateral ground glass opacities without nodules or mosaic attenuation. IgG specific for budgerigars was positive.

Pseudocarcinomatous Hyperplasia of the Nose and Necrotic Tracheitis Associated with Acute Myeloid Leukemia.

A 29-year-old woman who had been diagnosed with acute myeloid leukemia presented with persistent grade-4 febrile neutropenia (FN) after initial chemotherapy with idarubicin and cytarabine. Despite intensive treatment, FN persisted. Subsequently, her nose became reddish and swollen, obstructing the nasal cavities.

[DRUG-INDUCED LUNG INJURY DUE TO OTSU-JI-TO FOLLOWED BY DRUG-INDUCED LIVER INJURY: A CASE REPORT].

A 69-year-old woman who had been treated with Otsu-ji-to for fourteen days developed liver dysfunction. She continued to take Otsu-ji-to and was admitted to our hospital due to respiratory failure with extensive ground-glass opacities on chest computed tomography 22 days after starting to take Otsuji-to. Although she developed severe respiratory failure, her condition was improved by discontinuation of Otsu-ji-to and high-dose corticosteroid pulse therapy.