Comparison of cases of PHNETs with predominant cystic change

Various parametersKim et al. [1]Present case
Age (years)5173
GenderFemaleMale
Clinical presentationAbdominal discomfort
Mild dyspnoea
Abdominal pain
Bilious vomiting
Significant weight loss
Radiological findingsLeft lobe of the liver: cystic; non-smooth; multiseptated mass lesion; occupying hepatic segments II and III; D/D-mucinous cystadenomaRight lobe of the liver: well-circumscribed hypoattenuating cystic lesion; D/D-biliary cystadenoma; hydatid cyst
GrossExophytic tumour
14 cm in greatest dimension
Cut surface: solid with varying multiple cysts
Cystic tumour
18.5 cm in greatest dimension
Cut surface: predominantly cystic; uniloculated
MicroscopyTumour cells in a trabecular or cribriform patternTumour cells in an acinar, glandular, and focal papillary pattern
Lymphovascular and satellite nodulesAbsentPresent
IHC: Cg; synaptophysinBoth were positiveBoth were positive (Ki-67: 10–12%)

D/D: differential diagnosis