We report a case of renal epithelioid angiomyolipoma that arose in association with a classic angiomyolipoma in a 54-year-old Japanese man without tuberous sclerosis. Histologically, the tumor was composed of polygonal cells exhibiting diffuse hemorrhage, multifocal necroses, and vascular invasion. Immunohistochemical staining was positive for melanoma specific antibody and focally positive for smooth muscle actin. On the basis of a review of the literature, we suggest that large epithelioid angiomyolipoma may have malignant potential and therefore requires close follow up.
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Choi, Se Young
Lee, Chanwoo
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Lee, Chanwoo
Yoo, Sangjun
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Yoo, Sangjun
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You, Dalsan
Jeong, In Gab
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Jeong, In Gab
Song, Cheryn
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Song, Cheryn
Kim, Kun Suk
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Kim, Kun Suk
Hong, Bumsik
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Hong, Bumsik
Hong, Jun Hyuk
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
Hong, Jun Hyuk
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Ahn, Hanjong
Kim, Choung-Soo
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Univ Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South KoreaUniv Ulsan, Asan Med Ctr, Dept Urol, Coll Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
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Yokohama City Univ Med, Div Anat & Surg Pathol, Yokohama, Kanagawa, JapanYokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Inayama, Yoshiaki
Yamanaka, Shoji
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Yokohama City Univ Med, Div Anat & Surg Pathol, Yokohama, Kanagawa, JapanYokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Yamanaka, Shoji
Ohshiro, Hisashi
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Yokohama City Univ Med, Div Anat & Surg Pathol, Yokohama, Kanagawa, JapanYokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Ohshiro, Hisashi
Gomi, Kiyoshi
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机构:Yokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Gomi, Kiyoshi
Shirai, Sumiko
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机构:Yokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Shirai, Sumiko
Aoki, Ichiro
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机构:Yokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Aoki, Ichiro
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Uemura, Hiroji
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Miyoshi, Yasuhide
Kubota, Yoshinobu
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Yokohama City Univ, Grad Sch Med, Dept Urol, Yokohama, Kanagawa 2360004, JapanYokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Kubota, Yoshinobu
Yao, Masahiro
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Yokohama City Univ, Grad Sch Med, Dept Urol, Yokohama, Kanagawa 2360004, JapanYokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
Yao, Masahiro
Nagashima, Yoji
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Yokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, JapanYokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan