Benign Schwannoma in the Porta Hepatis
Haesun Choi1,
Gary Whitman1,
Jae Ro2 and
Chusilp Charnsangavej3
1
Division of Diagnostic Radiology, The University of Texas M. D. Anderson
Cancer Center, 1515 Holcombe Blvd., Box 057, Houston, TX 77030.
2
Department of Pathology, The University of Texas M. D. Anderson Cancer Center,
Houston, TX 77030.
3
Division of Diagnostic Imaging, The University of Texas M. D. Anderson Cancer
Center, Houston, TX 77030.

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Fig. 1A. Benign schwannoma in porta hepatis in 37-year-old man.
Sonogram reveals complex mass (arrow) at porta hepatis.
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Fig. 1B. Benign schwannoma in porta hepatis in 37-year-old man.
Arterial phase of triphase dynamic CT scan shows mass of low attenuation
(arrow).
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Fig. 1C. Benign schwannoma in porta hepatis in 37-year-old man.
Delayed venous phase of CT scan shows gradually enhancing solid component
(arrows) at posterior aspect of mass.
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Fig. 1D. Benign schwannoma in porta hepatis in 37-year-old man.
Photomicrograph reveals bundles of spindle cells (arrow) with
hypercellular (Antoni type A) and hypocellular (Antoni type B) areas. (H and
E, x200)
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