Table 1.

Summary of case reports.

Feature	Case 1	Case 2
Patient Demographics	60-year-old Caucasian male	28-year-old Caucasian female
Clinical Presentation	Incidental discovery of an 8 × 8 × 9 cm hepatic cyst	Presented with dyspnea, vomiting, jaundice, fever
Initial Diagnosis	Suspected hydatid cyst	Simple cyst, later adenocarcinoma with metastases
Diagnostic Methods	MRI, MRCP, ERCP, histopathological examination	CT, MRI, laparoscopic liver biopsy, histopathological examination
Tumor Characteristics	Large cystic mass, thin walls, internal septa, papillary projections, enhancing solid components	Large lesion in left hepatic lobe, hyperintensity in T2-weighted images, restricted diffusion, contrast enhancement
Treatment	Cyst resection, cholecystectomy	Thrombectomy, chemotherapy, supportive care
Surgical Findings	Partially exophytic floating soft mass	Extensive intrahepatic metastases, vascular involvement
Histopathological Findings	IPNB with foci of adenocarcinoma, oncocytic appearance, varying degrees of dysplasia, mucus within cyst	Adenocarcinoma with papillary clear cell and mucinous appearance, gland ectasis, cystic or pseudocystic aspects
Follow-up and Outcome	Initial recurrence-free survival for 8 years, recurrence treated with left hepatectomy, patient alive at 33 months post-second surgery	Disease progression despite aggressive management, patient died from hepatic failure