Inflammatory Pseudotumor of the Mesentery.

: An inflammatory pseudotumor can occur almost everywhere in the body and has nonspecific imaging findings.

Endovascular management of an isolated dissection of the celiac artery following a blunt deceleration-type trauma.

A 29-year-old, otherwise healthy male was brought to the emergency department after suffering an injury from falling from the roof of his house. Whole-body computed tomography (CT) showed a small ostial dissection of the celiac artery (CA) associated with a pseudoaneurysm, thrombosis, and retroperitoneal periaortic hematoma. The celiac trunk was otherwise normal with good distal patency and no signs of intestinal ischemia.

Trichobezoar.

A trichobezoar is a relatively rare entity that presents on imaging as a heterogeneous and multilayered mass molded by the stomach lumen.

Bilateral pulmonary sequestration complicated with a bibasal pneumonia in an adult patient.

Pulmonary sequestrations (PS) are rare congenital pulmonary malformations, characterized by non-functioning and dysplastic pulmonary tissue, without a normal connection to the tracheobronchial tree and supplied by the systemic arterial circulation. PS typically occur in the lower lobes and the radiologist should consider the possibility of a PS in a patient with persistent or recurrent pneumonia in the lower lobes, especially in children. We hereby present a rare case of bilateral intralobar PS complicated with bilateral pneumonia, in a previously healthy 37-year-old male patient, who was referred to the emergency department by his general practitioner because of persisting dyspnea and fever.

Retroperitoneal fibrosis: A rare mimicker of a perirenal hematoma.

Retroperitoneal fibrosis (RPF) is a relatively rare entity, characterized by chronic inflammation and fibrosis in the retroperitoneal periaortic tissues. Due to this rarity, the diagnosis might be delayed or challenging, especially with atypical presentations of RPF. We report the imaging findings of an incidental finding of active RPF in an asymptomatic 84-year-old male patient.