LAUSR

CASE PRESENTATION A 48-year-old man presented with 6 months of progressive shortness of breath, intermittent exertional left-sided chest pain, and bilateral lower extremity edema. During the 2 days before admission, he experienced new onset confusion, fatigue, and malaise that prompted evaluation. He denied fever, chills, cough, or sputum production. He used anabolic steroids for 20 years as part of his bodybuilding hobby. Recently, he also began injecting mineral oil into his pectoral, bicep, and shoulder muscles for an improved muscular appearance. Additionally, he had a history of provoked DVT after traumatic fracture, schizophrenia, hypertension, and epilepsy. He was a former cigarette smoker with 2.5 pack-year history, having quit 10 years earlier. The patient's occupation was construction, installing aluminum gutters. He specifically denied exposures to sand-blasting, coal, beryllium, hard metals, silicone, and fine particles. He had no recent travel, sick contacts, or animal exposures.