The pathological features of XXXX .

@entity788 @entity5 @entity7468 @entity3981 @entity2269 @entity4347 @entity1962 @entity420
The frequency of @entity788 is increasing and has surpassed that of @entity5 . Lesions are more common in the head of the gland than in the body and tail. @entity5 tend to be localized and are associated with a better prognosis. The majority of @entity5 are hard and demonstrate a prominent @entity2269 . They present as ill-defined masses which makes their differentiation from chronic @entity788 difficult. Duct cell @entity420 constitute 75% of all @entity5 of the pancreas. Some of the uncommon types include @entity7468 , @entity1962 , @entity4347 and @entity3981 . The role of open biopsy in diagnosing @entity788 remains controversial. Percutaneous fine-needle aspiration cytology appears promising. The technique is safe and inexpensive but needs an experienced cytopathologist to interpret the results accurately.
