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Bunch of grapes sign

Bunch-of-grapes sign refers to the ultrasound appearance of multiple cystic spaces within the uterus as the result of hydropic swelling of trophoblastic villi within a hydatidiform mole

This sign is also described in bronchiectasis where on plain radiograph, the dilated bronchi in approximation appear as a bunch-of-grapes.

The same term is used to described the appearances of an intraductal papillary mucinous neoplasm (IPMN).

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