Imaging characteristics of pneumocystis pneumonia after renal transplantation.

Identification of Pneumocysis pneumonia (PCP) after renal transplantation has a great impact on early diagnosis and therapy, which could decrease its mortality. Due to a lack of characteristic clinical symptoms, imaging modalities became very important in the diagnosing PCP. Thirteen PCP patients after renal transplantation were reviewed.

Retroperitoneal liposarcoma: MR characteristics and pathological correlative analysis.

Background: Liposarcoma is the most common primary retroperitoneal malignant neoplasm. However, preoperative diagnosis is a common problem due to lack of characteristic clinical presentations. It has been assumed that MRI, based on its high soft-tissue resolution, could discover and discern different subtypes of this tumor.