Mednet Logo
HomeHospital MedicineQuestion

Can liquid biopsy be substituted for tissue biopsy in a lung mass that is radiologically suspicious for primary lung cancer when CT-guided biopsy cannot be done?

2 Answers
Mednet Member
Mednet Member
Medical Oncology · Cedars-Sinai Medical Center

Generally, the utility of liquid biopsy remains in the ability to provide genomic information from cfDNA. A liquid biopsy will not provide a definitive tissue diagnosis and does not provide information about histology. When a histologic diagnosis is made with biopsy or FNA but the sample is insuffic...

Register or Sign In to see full answer

Mednet Member
Mednet Member
Medical Oncology · Kettering Cancer Center

I would accept the presence of a targetable mutation but I would still prefer to see histology to make a sound treatment decision. There are occasional cases of mixed histology and treatment choice can change based on that.

Register or Sign In to see full answer

Can liquid biopsy be substituted for tissue biopsy in a lung mass that is radiologically suspicious for primary lung cancer when CT-guided biopsy cannot be done? | Mednet