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Hepatocellular Carcinoma (HCC)

Julie Cui, Lee Richardson

Background

  • Pts with HCV cirrhosis are at greatest risk (incidence 2-4% per year)

  • In chronic HBV and NASH, pts can develop HCC without having cirrhosis

Evaluation

  • Regular screening in pts with cirrhosis (or chronic HBV without cirrhosis) for HCC

    • RUQ U/S q6mo (with or without AFP)
    • Routine screening with CT or MRI is not recommended

  • Options If U/S not satisfactory:

    • CT A/P w/contrast, in comments specify triple phase for HCC screening
    • MRI, specify Gadovist (preferred contrast agent)
    • Contrast-enhanced ultrasound

  • AFP trend is more useful than one value in time, though AFP >20 should prompt multiphase CT or MRI for further evaluation

  • Diagnosis can be made either by imaging (most common) or biopsy (rare)

  • Triple phase CT demonstrates strong early uptake in arterial phase, with subsequent wash-out in portal-venous phase
  • If diagnosis remains unclear: can surveillance imaging or biopsy
  • LI-RADS system notes risk of malignancy based on imaging characteristics
0 1 2
LI-RADS What does it mean? What do we do?
LR-1 to LR-2 Definitely/Probably benign Routine surveillance, consider diagnostic imaging within 6 mos
LR-3 to LR-4 Indeterminate/Probably HCC Repeat or alternative diagnostic imaging in 3-6 mos. Consider Bx for LI-RADS 4
LR-5 Definitely HCC Plan treatment as noted below
LR-M Cancer but may not be HCC NaN

Management

  • Lesions that meet Milan criteria can qualify for MELD exception points and are considered transplant candidates

    • This accounts for pts with minimal synthetic dysfunction (and therefore low MELD)

  • Milan criteria:

    • Single tumor with diameter >2cm but <5 cm, no more than 3 tumors, each <3 cm
    • No signs of extra-hepatic involvement or vascular invasion

  • Liver transplant is definitive treatment, although resection can also be curative (favored in pts with early cirrhosis i.e. Child Pugh A)

  • Locoregional therapies: Pts with unresectable disease, or who are not surgical candidates
0 1
Therapy Details
Radiofrequency ablation If in a favorable location and size, IR can percutaneously ablate with a large needle that emits microwave frequencies
Trans-arterial chemoembolization (TACE) Chemotherapeutic agents injected into the tumor to occlude the feeding blood supply to the area.
Trans-arterial radioembolization (TARE) Like TACE, though radioactive compound (i.e. Y-90) used to occlude the feeding blood supply.
Stereotactic body Radiation Therapy (SBRT) Radiation therapy: can be used as an alternative to ablation and is generally performed in those meeting Milan criteria
Systemic Chemotherapy For metastatic disease
Last update: 2022-06-21 11:13:53