Bagassosis, rare cause of hypersensitivity pneumonitis: A case report
Hypersensitivity pneumonitis (HP), also called extrinsic allergic alveolitis, is a respiratory syndrome involving the lung parenchyma specifically the alveoli, terminal bronchioles and alveolar interstitium. HP is caused by delayed allergic reaction to variety of antigens like microbes, animal prote...
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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Emergency Department of Hospital San Pedro (Logroño, Spain)
2020
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/293e7c0435654342a51171d655fb4c25 |
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| Sumario: | Hypersensitivity pneumonitis (HP), also called extrinsic allergic alveolitis, is a respiratory syndrome involving the lung parenchyma specifically the alveoli, terminal bronchioles and alveolar interstitium. HP is caused by delayed allergic reaction to variety of antigens like microbes, animal proteins, and low-molecular-weight chemicals. Bagassosis is one such HP caused by repetitive inhalation of bagasse. Though use of bagasse as cause of HP is known, use of bagasse in brick- kiln factory as fuel and its association with HP has not been well documented. We report a case of HP in a brick-kiln worker where bagasse was used as fuel.
A twenty-five years old man, working in a brick kiln for five years, presented with complaints of dry cough, low grade fever and weight loss for one month. He had bilateral lower lobe crackles on auscultation. The history of bagasse, clay and coal dust exposure, clinical presentation and imaging were suggestive of HP. However, being endemic in India, pulmonary tuberculosis was ruled out by negative Mantoux test, sputum for acid fast bacilli and Cartridge Based Nucleic Acid Amplification Test. He was managed with corticosteroids and symptomatic treatment with good response and resolution of clinical signs and radiological changes. |
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