Questions? Comments? Send us a message! This episode examines Hypertrophic Pulmonary Osteoarthropathy (HPO), a rare syndrome often associated with underlying pulmonary malignancies. It outlines HPO's clinical presentation, which includes digital clubbing and painful, swollen joints, emphasizing the importance of differentiating it from metastatic bone pain due to its bilateral and symmetrical nature on bone scans. The text further explores the proposed pathophysiological mechanisms, particul...