Bulls eye sign (disambiguation)
Target sign
bei cerebralen Metastasen Mammakarzinom in der MRT (T1 mit Kontrastmittel). Das Zeichen ist nicht spezifisch.
There are many bull's eye signs, also referred to as target signs:
Gastrointestinal
- intussusception: see target sign of intussusception
- barium studies
- aphthoid ulcers: earliest lesion seen in Crohn disease
- gastric lymphoma with central ulceration
- gastric adenocarcinoma with central ulceration
- GIST with central ulceration
- haematogenous gastric metastases
Hepatobiliary
- choledocholithiasis: see target sign of choledocholithiasis
- hepatic metastases on ultrasound
- periportal fibrosis on ultrasound
Central nervous system
Peripheral nerves
- peripheral plexiform neurofibromas on MRI
Musculoskeletal
- target sign of hematoma on MRI (also called concentric ring sign on MRI)
- deep rectus femoris muscle injury
- island of red bone marrow with central yellow marrow on MRI
Others
- tumors following radiofrequency ablation
- skin lesions in Lyme disease
- COVID-19 pneumonia (pulmonary target sign)
Siehe auch:
Assoziationen und Differentialdiagnosen zu Bulls eye sign (disambiguation):
