Liability, risks, and recommendations for ultrasound use in the diagnosis of obstetrics diseases.

This literature review will summarize the liability issues, risks, and ultrasound recommendations for diagnosing obstetrics diseases. One liability issue is related to misdiagnosis or failure to detect abnormalities during an ultrasound examination. Ultrasound images can be subjective interpretations, and errors may occur due to factors such as operator skill, equipment limitations, or fetal positioning.

Imaging features of inflammatory pseudotumor-like follicular dendritic cell sarcoma of the spleen.

Background: Inflammatory pseudotumor (IPT)-like follicular dendritic cell sarcoma (FDCS) is an extremely rare malignant neoplasm.

Methods: Retrospective analysis of imaging features of splenic IPT-like FDCS, including ultrasonography, computed tomography (CT), and magnetic resonance (MR) and contrast-enhanced imaging were performed.

Results: When the masses were small, the ultrasound images showed homogeneous hypoechoic signals, clear boundaries, and complete capsules.

Turning point of age for semen quality: a population-based study in Chinese men.

Objective: To explore the relationship between age and semen quality in Chinese men.

Design: Population-based cross-sectional study.

Setting: The Department of Reproductive Epidemiology and Social Science, Shanghai Institute of Planned Parenthood Research, People's Republic of China.