2023年12月30日 · CT artifacts can be classified according to the underlying cause of the artifact. Patient-based artifacts. motion artifact; transient interruption of contrast; clothing artifact; …

2024年11月30日 · CT beam hardening artifacts have two distinct manifestations: streaking (dark bands) and cupping artifacts. The streaking artifact appears as multiple dark streaking bands …

Importance Streak artifacts from dense contrast in the superior vena cava (SVC) are common, and can be seen overlying the right main and right upper lobe pulmonary arteries. These areas …

Metal streak artifacts are extremely common, seen in 21% of scans in one series . They are caused by multiple mechanisms, some of which are related to the metal itself and some of …

2024年11月19日 · The artifact caused by involuntary can be reduced by using a fast-scanning technique. Motion (patient, cardiac, respiratory, or bowel) causes blurring and double images, …

There are many different types of CT artifacts, including noise, beam hardening, scatter, pseudoenhancement, motion, cone beam, helical, ring, and metal artifacts. We review the …

2024年9月24日 · These streaks, which appear as dark or light lines within the image, can obscure critical anatomical details, leading to misdiagnosis and compromised patient care. Identifying …