"Maple bark disease, also known as maple bark stripper’s disease, is a rare hypersensitivity pneumonitis caused by the allergenic fungal spores of Cryptostroma corticale. The fungus causes sooty bark disease under the bark of maples and sycamore trees."
Expected headings
"Radiological features"
"It presents as an acute pulmonary illness with cough, fever and dyspnoea. Weight loss has been described. Clinical features are consistent with other forms of hypersensitivity pneumonitis, and as is typical, removal of the patient from the allergenic environment causes resolution of symptoms. Emanuel et al. 2 describe a higher prevalence in winter months, likely due to reduced ventilation and increased exposure."