Presentation
Followed up for bladder cancer.
Patient Data
Abnormal hepatic morphology with left hepatic lobe hypoplasia, including segment 4 seen lateral to the falciform ligament. The gastric pylorus fills the space usually occupied by the left hepatic lobe. Caudate lobe hypertrophy. No left portal vein or left hepatic artery are seen.
Additional findings:
urinary bladder nodular lesion, corresponding to the known malignancy
calcified atheromatous plaques in the aortic arch
osteodegenerative changes
filling defect in the main pulmonary artery and the upper and lower interlobar pulmonary arteries consistent with pulmonary thromboembolism
Case Discussion
This is a case of a patient whose main diagnosis is bladder cancer. Left hepatic lobe hypoplasia is observed as an incidental finding. The patient does not have any symptoms related to this. In addition, there is compensatory enlargement of the right hepatic and caudate lobes.
The mechanism of development of hepatic hypoplasia is not clear. The causes are thought to be secondary to interruption of portal flow secondary to thrombosis. Liver hypoplasia is asymptomatic and does not affect the patient's health. It is usually an incidental finding on imaging studies.
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