MUCINOUS CYSTIC NEOPLASM

Question 1

unlike serous cystic tumors which are usually microcytic, these tumors are usually macrocytic?

Answer 1

mucinous cystic neoplasm

Question 2

where is it usually found in the pancreas?

age range

Answer 2

tail of pancreas

40-50s

Question 3

gross pathology

Answer 3

large, multioculated cysts 
thick capsules
no communication with ductal system 
mucoid to watery contents
solid areas likely to contain invasive component

Question 4

histology

Answer 4

lined by columnar cells
apical mucin
distinct ovarian like stroma

Question 5

prognosis?

Answer 5

excellent if excised, not so if invasive, and even poorer prognosis if >50 years old