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Original Article |
1 Division of Transplantation, Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15213, USA
2 Department of Surgical Oncology, University of Pittsburgh, Pittsburgh, PA 15213, USA
3 Division of Surgical Oncology, Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15213, USA
4 Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15213, USA
5 UPMC Liver Cancer Center, 3459 Fifth Avenue MUH 7S, Pittsburgh, PA 15213, USA
Correspondence: Address correspondence and reprint requests to: T. Clark Gamblin, MD, MS; E-mail: gamblintc{at}upmc.edu
Background: Hepatocellular adenoma (HA) is a rare benign tumor of the liver. Surgical resection is generally indicated to reduce risks of hemorrhage and malignant transformation. We sought to evaluate clinical presentation, surgical management, and outcomes of patients with HA at our institution.
Methods: We performed a retrospective review of 41 patients who underwent surgical resection for HA between 1988 and 2007.
Results: Thirty-eight patients were women, and the median age at presentation was 36 years (range, 19–65 years). The most common clinical presentation was abdominal pain (70%) followed by incidental radiological finding (17%). Twenty-two patients had a history of oral contraceptive use. Median number of HA was one (range, 1–3). There were 32 open cases (3 trisectionectomy, 15 hemihepatectomy, 7 sectionectomy, 4 segmentectomy, and 3 wedge resection), and 9 laparoscopic cases (1 hemihepatectomy, 5 sectionectomy, 1 segmentectomy, and 2 wedge resection). The median estimated blood loss was 225 mL (range, 0–3400 mL). The median length of stay was 6 days (range, 1–15 days). Surgical morbidities included pleural effusion requiring percutaneous drainage (n = 2), pneumonia (n = 1), and wound infection (n = 1). There was no perioperative mortality. Twelve patients had hemorrhage from HA. Hepatocellular carcinoma was observed in two patients with HA. Median follow-up was 23 months (range, 1–194 months), at which time all patients were alive.
Conclusion: In view of 29% hemorrhagic and 5% malignant complication rates, we recommend surgical resection over observation if patient comorbidities and anatomic location of HA are favorable. A laparoscopic approach can be safely used in selected cases.
Key Words: Hepatocellular adenoma • Liver resection • Hemorrhage • Malignant transformation • Laparoscopic
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