A case of metastatic malignancy masquerading as a hepatic hemangioma on labeled red blood cell scintigraphy.
case_report · Level V
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Abstract
A 36-yr-old woman with a past history of gastric neuro-endocrine carcinoma (carcinoid tumor) underwent 99mTc-red blood cell (RBC) scintigraphy for evaluation of a 2-cm echogenic liver mass demonstrated on ultrasound. Scan findings were typical of a cavernous hemangioma. On follow-up, however, there was progressive lesion enlargement; histopathology of the resected mass revealed neuro-endocrine carcinoma. This case report, one of the few examples of a false-positive 99mTc-RBC scan, highlights the need for cautious evaluation of focal liver masses, even when there are typical scintigraphic features of cavernous hemangioma.
Medical subject headings
- Carcinoid Tumor
- Hemangioma, Cavernous
- Liver Neoplasms