Digestive diseases and sciences · 2021
Role of Liver Biopsy in Assessment of Radiologically Identified Liver Masses.
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Khalifa Ali, Sasso Roula, Rockey Don C
Аннотация
BACKGROUND: Despite improvements in imaging techniques that have enhanced the ability to diagnose hepatocellular carcinoma (HCC), histopathological evaluation of many other types of liver masses is critical.
AIMS: To evaluate the utility of liver biopsy in patients with radiologically undiagnosed liver masses.
METHODS: We retrospectively analyzed 293 consecutive patients who had a liver biopsy for evaluation of an undiagnosed liver mass between January 2014 and January 2018.
RESULTS: Out of 293 biopsies, 246 patients were found to have malignancy (84%), including 210 (72%) patients with metastatic malignancy and 36 with primary hepatic malignancies (20 HCC and 16 others). In the 47 patients without malignancy, 17 patients had necrotic abscess/granuloma, 16 patients had normal histology, eight patients had hepatic fibrosis/cirrhosis without malignant foci, and six patients had benign tumors. The most common primary lesion in patients with liver metastasis was breast carcinoma (32/293, 11%), followed by colon and pancreas (31 (each)/293, 11%), and lung (9%) adenocarcinomas. Histopathological analysis confirmed the presence of metastasis in 165/200 (83%) patients with a history of oncological malignancy and in 45/93 (48%) patients who had no malignancy history.
CONCLUSIONS: In patients with a radiologically identified liver mass of unclear etiology, liver biopsy/histology made a diagnosis in 95% (277/293) of patients, including 84% (246/293) found to have an oncological malignancy. Liver biopsy/histology also identified malignancy in a high proportion of patients without known underlying cancer. We conclude that liver biopsy is valuable for evaluation of radiologically identified liver masses of unclear etiology.
AIMS: To evaluate the utility of liver biopsy in patients with radiologically undiagnosed liver masses.
METHODS: We retrospectively analyzed 293 consecutive patients who had a liver biopsy for evaluation of an undiagnosed liver mass between January 2014 and January 2018.
RESULTS: Out of 293 biopsies, 246 patients were found to have malignancy (84%), including 210 (72%) patients with metastatic malignancy and 36 with primary hepatic malignancies (20 HCC and 16 others). In the 47 patients without malignancy, 17 patients had necrotic abscess/granuloma, 16 patients had normal histology, eight patients had hepatic fibrosis/cirrhosis without malignant foci, and six patients had benign tumors. The most common primary lesion in patients with liver metastasis was breast carcinoma (32/293, 11%), followed by colon and pancreas (31 (each)/293, 11%), and lung (9%) adenocarcinomas. Histopathological analysis confirmed the presence of metastasis in 165/200 (83%) patients with a history of oncological malignancy and in 45/93 (48%) patients who had no malignancy history.
CONCLUSIONS: In patients with a radiologically identified liver mass of unclear etiology, liver biopsy/histology made a diagnosis in 95% (277/293) of patients, including 84% (246/293) found to have an oncological malignancy. Liver biopsy/histology also identified malignancy in a high proportion of patients without known underlying cancer. We conclude that liver biopsy is valuable for evaluation of radiologically identified liver masses of unclear etiology.