Faces of the IVC Parts Size Shape Position Character Time Associated Findings Infection Inflammation Malignancy Malignant Pericarditis Small Cell Lung Carcinoma p/w with a “White Out”62-year-old female presents with acute dyspnea and chest painCT in the axial and coronal plane shows a small to moderate pericardial effusion, left lung collapse and small pleural effusion.Echocardiogram revealed increased right sided pressures but no “frank” tamponade, and was subsequently drainedAshley Davidoff MD TheCommonVein.net 298Lu 136725 Small Cell Lung Carcinoma Malignant Pericardial Effusion62-year-old female presents with acute dyspnea and chest painCT in the coronal and axial planes shows a small to moderate pericardial effusion, left lung collapse and small left pleural effusion.There is evidence of elevated pressures in the right side of the heart, characterized by an enlarged IVC (3.1cms) with reflux into the hepatic veins (dark blue arrowheads , a, b, c) and reflux of contrast into the azygous vein (light blue arrowhead (d) A contrast blood level in the IVC in image c, further indicates slow flow in the IVC. tamponade would be on the differential diagnosis in this case and an echo is warranted for evaluation.Echocardiogram revealed increased right sided pressures but no “frank” tamponade. The pericardial fluid was subsequently drained and was positive for malignant cellsAshley Davidoff MD TheCommonVein.net 298Lu 136730 Mechanical Atelectasis Trauma Metabolic Circulatory- Hemorrhage Immune Infiltrative Idiopathic Iatrogenic