Items tagged “liver tumour”
9 results found
Article
Hepatic mesenchymal hamartoma
Hepatic mesenchymal hamartomas are uncommon benign hepatic lesions that are mostly seen in children under the age of 2. Some authors consider them to be developmental anomalies rather than cystic neoplasia 9,12.
Epidemiology
Hepatic mesenchymal hamartomas typically occur in children and neona...
Article
Pediatric liver tumor staging (PRETEXT grouping system)
The PRETEXT system proposed by the International Childhood Liver Tumors Strategy Group (previously called Société Internationale d’Oncologie Pédiatrique - Epithelial Liver Tumor Study Group - SIOPEL) aims for staging and risk stratification of liver tumors at diagnosis.
It is used to describe ...
Article
Hepatic neuroendocrine tumor
Primary hepatic neuroendocrine tumors (carcinoids) is an extremely rare type of neuroendocrine tumor, with somewhere between 60-90 cases reported in the literature. Metastatic neuroendocrine tumor from the gastrointestinal tract to the liver is far more common.
Clinical presentation
Some patie...
Article
Hepatic leiomyosarcoma
Hepatic leiomyosarcomas are rare primary malignant tumors derived from smooth muscle cells in the liver.
Epidemiology
Hepatic leiomyosarcoma is rare 1. An equal sex distribution and a broad age range (5 months-66Y) has been reported. Some have suggested an associated with AIDS 2.
Pathology
T...
Article
Inflammatory hepatic adenoma
Inflammatory hepatic adenomas are a genetic and pathological subtype of hepatic adenoma. Their appearance and prognosis is different than other subtypes and they have the highest incidence of hemorrhage amongst hepatic adenoma subtypes.
Epidemiology
Inflammatory hepatic adenomas are the most c...
Article
HNF 1 alpha mutated hepatic adenoma
HNF 1 alpha mutated hepatic adenomas are a genetic and pathologic subtype of hepatic adenoma. Their appearance and prognosis are different from other subtypes.
Epidemiology
They are the second most common (30-35%) hepatic adenoma after the inflammatory subtype. They occur only in female patien...
Article
Beta catenin mutated hepatic adenoma
Beta catenin mutated hepatic adenomas are a genetic and pathologic subtype of hepatic adenoma. Their appearance and prognosis are different from other subtypes.
Epidemiology
They are the least common subtype of hepatic adenoma (10-15%). They occur more frequently in men and are associated with...
Article
Unclassified hepatic adenoma
Unclassified hepatic adenomas refer to the 5-10% of hepatocellular adenomas subtype that lack known genetic abnormalities 1,2. These adenomas cannot be further categorized genetically or histologically as inflammatory adenomas, HNF 1 alpha mutated adenomas or beta catenin mutated adenomas.
The ...
Article
Sonic hedgehog-activated hepatocellular adenoma
Sonic hedgehog-activated hepatocellular adenomas (sh-HCA) are a subtype of hepatocellular adenomas.
On imaging, it is still mostly diagnosed by exclusion of the other adenomas subtypes and other liver tumors.
Epidemiology
Most of sh-HCA were previously grouped under the unclassified adenomas,...
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