Benign Biliary Tumors
Fig. 5.1 Ciliated hepatic foregut cyst. The wall of ciliated hepatic foregut cyst has four layers: ciliated epithelium, subepithelial connective tissue, smooth muscle, and fibrous stroma Fig. 5.2 Ciliated hepatic…
Benign Pediatric Liver Tumors
Focal Multifocal Diffuse Symptoms Most are asymptomatic Depends on size and number of tumors, with smaller tumors often being asymptomatic. Larger lesions can have high-output cardiac failure Common, including,…
Benign Vascular Tumors
Finding Cavernous hemangioma Infantile hemangioma Anastomosing hemangioma Capillary hemangioma Predominant vessel size Large Intermediate to small Small Small Anastomosing channels − −/+ + − Hobnail endothelial cells − − +…
Fibrolamellar Carcinoma
Syndrome Genes Carney [35] PRKA (protein kinase A) Fanconi anemia [36] About 15 different known genes, all involved in DNA repair Familial adenomatous polyposis [53] APC or less commonly MUTYH…
Hepatocellular Carcinoma Precursor Lesions
Fig. 6.1 Large cell change. Hepatocytes show nuclear and cytoplasmic enlargement with preserved nuclear-to-cytoplasmic ratios. Additional cytological changes include multinucleation, hyperchromasia, irregular nuclear contours, nuclear inclusions, and nuclear pleomorphism Fig….
