Jun 22, 2025 · The banana sign is one of the many notable fruit inspired signs. This sign is seen on axial imaging through the posterior fossa of fetuses with associated conditions such as …

The banana sign is a key term in diagnosing Chiari malformation, especially Type II. It shows up as a crescent or banana-shaped cerebellar tonsil when they move into the spinal canal.

Certain fetal cranial abnormalities found on second-trimester sonograms can be signs of an open spina bifida. In particular, an abnormal configuration of the cerebellum, known as the banana …

Nov 10, 2024 · Chiari 2 is almost always seen in conjunction with open neural tube defect. A detailed hindbrain view shows a small posterior fossa with herniated cerebellum , compressed …

An award-winning, radiologic teaching site for medical students and those starting out in radiology focusing on chest, GI, cardiac and musculoskeletal diseases containing hundreds of lectures, …

The banana sign is found in cases of defective neural tube, particularly in Arnold-Chiari II malformation. In such cases, the posterior fossa is small, and the cisterna magna loses its …

Typical frontal 'pinching' of calvarium gives a 'lemon' appearance of the skull, and a 'banana' shaped cerebellum is seen due to a shallow posterior fossa. These are tell tale signs of a …

The banana sign is an important indicator for diagnosing Chiari malformation, particularly Type II. It appears as a crescent-shaped or banana-shaped cerebellar tonsil protruding into the spinal …

Mar 24, 2015 · - “ This case shows some easily recognizable features on regular axial projections in fetal imaging, to suggest a neural tube defect like Chiari malfo...”

Q: In the context of radiology, which of the following statements accurately describes the "banana sign"? A) It refers to an elongated fetal spine seen on ultrasound images.