Ze Liang, Yi Ding, He Sui, Mei Wu, Yongmin Jin, Weibo Wen
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Identification of hepatic metastasis from an unrevealed adenoid cystic carcinoma by PET/CT: A case report.
Rationale: Adenoid cystic carcinoma is a rare malignant tumor of the salivary glands, with few reports of metastasis to the liver in the literature. We present a case where an isolated hepatic lesion of adenoid cystic carcinoma was identified using 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT).
Patient concerns: A 76-year-old male experienced abdominal pain and underwent an enhanced CT scan and magnetic resonance imaging, which revealed a liver mass. Subsequent 18F-FDG PET/CT identified hypermetabolic lesions in both the left and right lobes of the liver, suggesting malignancy, with no other abnormalities detected.
Diagnoses: A liver biopsy confirmed the diagnosis of adenoid cystic carcinoma.
Interventions: No intervention.
Outcomes: Following confirmation of the diagnosis, the patient chose to discontinue treatment and was discharged.
Lessons: Hepatic metastasis from adenoid cystic carcinoma may be detected before the identification of the primary lesion. 18F-FDG PET/CT plays a critical role in differentiating benign from malignant liver tumors, selecting potential biopsy sites, and assessing the extent of metastatic disease.
期刊介绍：
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