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Primary hepatic carcinoid tumor: dynamic CT findings
S Ulusan1, O Kizilkilic, T Yildirim
1Department of Radiology, Baskent University Adana Teaching and Medical Research Center, 01250 Yuregir-Adana, Turkey. sulusan@hotmail.com
Abdominal Imaging
|March 24, 2005
Summary
Primary hepatic carcinoid tumors are rare. This case highlights a rare liver carcinoid diagnosed via imaging and elevated 5-hydroxyindole acetic acid, emphasizing diagnostic and treatment considerations for this unusual neoplasm.
Area of Science:
- Gastroenterology and Hepatology
- Oncology
- Endocrinology
Background:
- Carcinoid tumors typically arise in the gastrointestinal tract or respiratory system.
- Primary carcinoid tumors originating in the liver are exceptionally rare.
- Understanding the presentation of rare tumors is crucial for timely diagnosis.
Observation:
- A 46-year-old woman presented with symptoms including abdominal pain, vomiting, and diarrhea.
- Radiologic imaging revealed a mass in the fifth segment of the liver.
- Laboratory tests showed markedly elevated urinary levels of 5-hydroxyindole acetic acid.
Findings:
- Histologic and immunohistochemical examination of the resected liver mass confirmed a malignant carcinoid tumor.
- The findings support the diagnosis of a primary hepatic carcinoid tumor.
- Elevated 5-hydroxyindole acetic acid levels are a key biochemical marker for carcinoid tumors.
Implications:
- This case underscores the importance of considering rare diagnoses in the differential for liver masses.
- Early and accurate diagnosis of primary hepatic carcinoid tumors is essential for appropriate management.
- Reviewing such rare cases contributes to a better understanding of clinical features, imaging findings, and treatment strategies.