History: 55 year old male with shortness of breath This is a case of acute pulmonary embolism. A pulmonary embolism is a blood clot which travels via the heart into the arteries that supply blood to the lungs. Typically the blood clot arises from the lower extremities, what is known as a deep vein thrombosis. … Continue reading
History: male involved in high speed motor vehicle accident with chest pain. This is a good example of a ductus diverticulum, or ductus bump. A ductus diverticulum is a focal smooth outpouching of the aortic wall at the aortic isthmus where the obliterated ductus arteriosus (the ligamentum arteriosum) is attached to the aorta. The ductus … Continue reading
History: 14 year old boy with lump in scrotum. What is your diagnosis for this pediatric patient with a lump in his left scrotum? Comment and share below!
History: 60 year old female with arm pain. This is a case of subclavian steal syndrome. Subclavian steal syndrome occurs when there is an occluded subclavian artery and collateral blood flow to the distal subclavian artery and arm is provided by reversed flow in the ipsilateral vertebral artery. As seen in the MR angiogram image … Continue reading
History: 50 year old man with cyanosis and chest pain. This is a case of pulmonary arteriovenous malformation, which is an abnormal communication between a pulmonary artery and pulmonary vein. Pulmonary arteriovenous malformations are typically round or oval shaped, and often a feeding artery and draining vein can be visualized. The differential diagnosis for this … Continue reading
History: 67 year old male with cough. This is the typical location of vascular clips seen in a patient who has undergone coronary artery bypass graft surgery with the left internal mammary artery. A nice paper on this surgery from 1977 is located here.
History: 50 year old male with chest pain and shortness of breath has an incidental finding. The differential diagnosis for a calcified mass projecting over the left upper quadrant of the abdomen includes prior granulomatous disease such as histoplasmosis or tuberculosis, arterial calcifications such as a splenic artery aneurysm, splenic infarction, and splenic cyst. Less … Continue reading
History: 55 year old female seen five days earlier with a diagnosis of superficial thrombophlebitis returns with continued and worsening leg swelling. This is a case of extension of a superficial venous thrombus into the deep venous system of the leg from the short saphenous vein to the popliteal vein. In patients with superficial … Continue reading
History: 60 year old female with lower extremity pain, swelling, and redness. This is a case of superficial thrombophlebitis, which is an inflammatory-thrombotic disorder of the superficial venous system. Typically it presents with pain, swelling, and warmth in the lower extemities with a “palpable cord,” which represents a thrombosed vein, as in the image above. … Continue reading
History: 40 year old with abdominal pain and diarrhea. Congenital anomalies of the inferior vena cava in about 0.2-0.5% of the population. Left sided IVC, which is this patient’s diagnosis, is seen in up to 0.5% of the population. Other anomalies besides transposition of the inferior vena cava include azygous continuation of the inferior vena cava, … Continue reading