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Arch Surg. 2007;142(1):96.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Answer: Pedunculated Hepatocellular Carcinoma

Histopathological findings showed the mass to be a well-differentiated, pedunculated hepatocellular carcinoma (HCC) with regions of necrosis and cystic degeneration. On immunohistochemical analysis, the tumor stained positively for alpha fetoprotein. Excision was complete, with a clear margin of 11 mm within the pedicle.

Pedunculated HCC can be defined as carcinoma protruding from the liver with or without a pedicle and was first described by Roux in 1897.¹ It is a rare variant of HCC; more frequently occurring variants are classified as nodular, massive, and diffuse.² Pedunculated tumors do not differ significantly from HCCs in terms of patient demographics, viral infection, or associated liver disease.³ It has been proposed to subclassify the macroscopic appearances of pedunculated HCC into pedunculated type with a pedicle (subtype I, as is this case) and pedunculated type without a pedicle and attached to the liver surface (subtype II).⁴

In Japan, pedunculated HCC represents 0.24% to 3.00% . . . [Full Text of this Article]

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