Unicentric Castleman disease was misdiagnosed as pancreatic mass: A case report

Table 1 Castleman’s disease diagnostic criteria proposed by Frizzera et al[6] in 1985

Unicentric	Multicentric
Swollen lymph nodes in a single site	Significant swollen lymph node and involvement of multiple peripheral lymph nodes
Characteristic hyperplastic histopathological changes and exclude possible primary disease	With characteristic hyperplastic histopathological changes
No systemic symptoms	Multiple system involvement performance
Long-term survival after tumor removal	Rule out known possible causes