| Summary: | ABSTRACT: Objective: To report the role of liver transplantation in the management of refractory carcinoid syndrome. Methods: We describe the clinical course, biochemical, radiographic, and histopathologic features of a patient with severe refractory carcinoid syndrome due to a metastatic well-differentiated enterochromaffin cell neuroendocrine tumor of the jejunum. We also review and summarize the literature on liver transplantation in this setting. Results: An 18-year-old patient presented with a 3-year history of progressive palpitations, flushing, abdominal pain, and diarrhea. Initial imaging studies demonstrated multiple cystic liver lesions; biochemistry confirmed elevated 24-hour urinary 5-hydroxy-indolacetic acid (5-HIAA) levels. She was managed with somatostatin analogues followed by a partial small-bowel resection. Five sessions of liver embolization and escalating somatostatin analogues failed to control her symptoms or normalize urinary 5-HIAA levels. Cross-sectional imaging detected disease only in the liver. Due to progressively worsening symptoms, liver transplantation was offered as a therapeutic option at age 21 years. One year following the procedure, her condition improved clinically and biochemically with minimal disease outside the liver. Conclusion: Liver transplantation represents a potential therapeutic option in selected patients with refractory carcinoid syndrome.
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