Benign Lesions in the Liver Flashcards
Solid liver lesions in older patients are more likely to be what?
Malignant with metastases more common than primary liver cancer in the absence of liver disease
WHat are solid liver lesions in patients with chronic liver disease more likely to represent?
Primary Liver Cancer rather than metastases or benign tumour
What is the most common solid liver tumour in non cirrhotic patients
Hemangioma (benign)
Name 4 benign liver tumours
Hemangioma
Focal nodular hyperplasia
Adenoma
Liver cysts
Name the 2 main types of malignant tumours
Primary liver cancers
Metastases
What are the 2 types of Primary liver cancers
Hepatocellular carcinoma
Cholangiocarcinoma
What is the commonest liver tumour
Hemangioma
Describe a hemangioma
A vascular tumour
Usually single and small
Well demarcated capsule
Usually asymptomatic
How do we diagnose a Hemangioma
Ultrasound is key
CT
MRI
What is the treatment for hemangioma
No treatment
Describe a focal nodular hyperplasia
enign nodule formation of normal liver tissue
congenital anomaly
What is the classic appearance of a focal nodular hyperplasia
A central scar through the middle of the mass
Who is more likely to have a focal nodular hyperplasia
Young and middle aged women
What type of response is a focal nodular hyperplasia?
A hyperplastic response to abnormal arterial flow
How can we diagnose a focal nodular hyperplasia
Ultrasound
CT
MRI
Fine needle aspiration
What is the treatment for Focal nodular hyperplasia
No treatment
No change is required for pregnancy or hormones
What is a hepatic adenoma
Benign neoplasm composed of normal hepatocytes with no portal tract, central veins or bile ducts
Who is more likely to get hepatic adenomas?
Women
What are hepatic adenomas associated with
The contraceptive hormones - mostly oestrogen
What are the symptoms of hepatic adenoma
Usually asymptomatic but may have RUQ pain
How might hepatic adenomas present
Rupture, haemorrhage or malignant transformation