Maple bark HP

Disease/Syndrome
Maple bark HP
Category
Hypersensitivity Pneumonitis
Acute/Chronic
Chronic
Synonyms
Maple bark stripper's lung
Comments
Acute presentation: flu-like illness with cough;
Subacute: recurrent "pneumonia";
Chronic: exertional dyspnea, productive cough, and weight loss;
The exposure is to moldy wood bark, and the suspected antigen is the fungus, Cryptostroma corticale. [Harber, p. 202] See "Hypersensitivity pneumonitis."
Latency/Incubation
Weeks to years until "sensitized"; acute symptoms 4-12 hours after exposure;
Diagnostic
Clinical; Chest x-ray; HRCT; Pulmonary function testing; BAL; Lung biopsy;
ICD-9 Code
495.6
ICD-10 Code
J67.6

Symptoms/Findings, Job Tasks, and Agents Linked to This Disease

Job Tasks

High risk job tasks associated with this disease:

Agents

Hazardous agents that cause the occupational disease: