Tips and tricks for a proper radiological assessment of abdominal and pelvic lymph nodes.

The assessment of lymph node dimensions is a commonly used criterion in analyzing lymphatic involvement related to inflammatory or neoplastic diseases. However, it is important to understand that the interpretation of lymph nodes goes beyond simply considering their size. A pathologic lymph node can present with enlarged dimensions, a heterogeneous appearance, increased cortex thickness, irregular contours, or a lobulated shape.

Acute coronary artery dissection after aortic valve replacement.

Late aortic dissection can occur after aortic valve replacement surgery, but rarely in the first postoperative month. Coronary artery dissection is rare and usually occurs after coronary angiography. We report a rare case of coronary artery dissection followed by myocardial infarction in the immediate postoperative period of a successful aortic valve replacement with a good postoperative evolution.