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==Chronic pancreatitis== | ==Chronic pancreatitis== | ||
===General=== | ===General=== | ||
*May be confused with ductal adenocarcinoma radiologically... and pathologically. | *May be confused with [[pancreatic ductal adenocarcinoma|ductal adenocarcinoma]] radiologically... and pathologically. | ||
Plain film findings: | Plain film findings: | ||
*Calcifications. | *Calcifications. | ||
Subtypes of autoimmune pancreatitis: | |||
#IgG4 positive ~ 80%.<ref name=pmid20824290>{{Cite journal | last1 = Kamisawa | first1 = T. | last2 = Takuma | first2 = K. | last3 = Tabata | first3 = T. | last4 = Inaba | first4 = Y. | last5 = Egawa | first5 = N. | last6 = Tsuruta | first6 = K. | last7 = Hishima | first7 = T. | last8 = Sasaki | first8 = T. | last9 = Itoi | first9 = T. | title = Serum IgG4-negative autoimmune pancreatitis. | journal = J Gastroenterol | volume = 46 | issue = 1 | pages = 108-16 | month = Jan | year = 2011 | doi = 10.1007/s00535-010-0317-2 | PMID = 20824290 }}</ref> | |||
#IgG4 negative ~ 20%. | |||
===Microscopic=== | ===Microscopic=== |
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