Focal Nodular Hyperplasia Presenting in a Young Male Patient

Young Mi Hong; Ki Tae Yoon

doi:10.4166/kjg.2017.69.4.259

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Hong and Yoon: Focal Nodular Hyperplasia Presenting in a Young Male Patient

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Korean J Gastroenterol 2017;69(4):259-262.

Published online: 4 October 2017

DOI: https://doi.org/10.4166/kjg.2017.69.4.259

Focal Nodular Hyperplasia Presenting in a Young Male Patient

Young Mi Hong^1,², Ki Tae Yoon^1,²

¹Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea

²Division of Gastroenterology, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea

Correspondence to: Ki Tae Yoon, Division of Gastroenterology, Department of Internal Medicine, Pusan National University School of Medicine, Pusan National University Yangsan Hospital, 20 Geumo-ro, Mulgeum-eup, Yangsan 50612, Korea. Tel: +82-55-360-2362, Fax: +82-55-360-1737, E-mail: ktyoon@pusan.ac.kr

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

References

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Fig. 1.

Liver dynamic CT showed a enhancing mass with a size of 10.4 cm at right lobe. (A) In the arterial phase, homogenous contrast enhancement with central scar low density was observed. (B) In the portal phase, the tumor was isodense, but central scar became hyperdense. CT, computed tomography.

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Fig. 2.

Liver magnetic resonance image reveals a lobulated mass with a size of 10.4 cm. The mass shows slightly high signal with high signal central scar on the T2-weighted image (A), slightly low signal with low signal central scar on T1-weighted image (B), bright homogeneous enhancement at the arterial phase (C), slightly high signal with slightly high signal central scar on delayed phase (D).

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Fig. 3.

After right posterior segmentectomy, specimen showed a large lesion of 10.4 cm is seen on the fresh cut section with a lobulated appearance and a stellate scar.

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Fig. 4.

(A, B) Pathologic fingings show radiating bands that contain numerous vessels of variable sizes (A, H&E,×20; B, Masson Trichrome stain, ×200). (C) The tumor cells show neither structural nor cytological atypia. The tumor is interiorly divided by firous bands with inflammatoy infiltrates. A prominent artery shows thickened walls (H&E, ×200).

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