Imaging Lung String of pearls sign A descriptive term for the rounded linear distribution of sarcoid granulomas along the pulmonary septa
Imaging Pancreas Chain of links sign A descriptive term for the endoscopic retrograde cholangiopancreatographic appearance of chronic pancreatitis, which is characterised by dilated ducts punctuated by multiple foci of constriction
Imaging Small bowel A descriptive term for the radiologic appearance of small bowel obstruction—the ‘beads’ correspond to pockets of gas oriented in an oblique line, a function of the amount of fluid and the intensity of peristalsis; characteristic of mechanical obstruction, the string of beads sign may also be seen in adynamic ileus due to inflammation
Imaging Vessels String-of-pearls sign A descriptive term for the multiple arterial dilatations and strictures seen by (digital subtraction) angiography in fibromuscular dysplasia, a condition which affects small and medium-sized arteries including the renal and extracranial cephalic vessels
Paediatrics String-of-pearls malformation A term referring to the white mucoid material within a perineal fistula, which is located along the midline and frequently extends anteriorly up the scrotum's median raphe

string of beads sign

String of pearls sign GI imaging A descriptor for the radiologic appearance of small intestine obstruction–the 'beads' correspond to pockets of gas oriented in an oblique line, a function of the amount of fluid and the intensity of peristalsis; characteristic of mechanical obstruction, the SOB sign may also be seen in adynamic ileus due to inflammation Pulmonary imaging A descriptor for the distribution of sarcoid granulomas along the pulmonary septae Vascular disease A descriptor for the multiple arterial dilatations and strictures seen in fibromuscular dysplasia, a condition affecting small and medium-sized arteries including the renal and extracranial cephalic vessels.