Case of renal myxoma

:  Renal myxomas are rare neoplasms. Only three cases have been convincingly diagnosed as renal myxoma. Here we report an additional case. The case was a 36‐year‐old man and he was discovered incidentally at the regular health‐check for chronic hepatitis B. Computed tomography showed 8 cm low‐densit...

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Veröffentlicht in:International journal of urology 2007-03, Vol.14 (3), p.242-244
Hauptverfasser: Nishimoto, Koshiro, Sumitomo, Makoto, Kakoi, Narihiko, Asano, Tomohiko, Hayakawa, Masamichi
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container_end_page 244
container_issue 3
container_start_page 242
container_title International journal of urology
container_volume 14
creator Nishimoto, Koshiro
Sumitomo, Makoto
Kakoi, Narihiko
Asano, Tomohiko
Hayakawa, Masamichi
description :  Renal myxomas are rare neoplasms. Only three cases have been convincingly diagnosed as renal myxoma. Here we report an additional case. The case was a 36‐year‐old man and he was discovered incidentally at the regular health‐check for chronic hepatitis B. Computed tomography showed 8 cm low‐density tumor in the lower pole of the left kidney. The tumor was slightly enhanced by contrast agents. Magnetic resonance imaging revealed the tumor as low intensity on T1‐weighted imaging and high intensity on T2‐weighted images. The tumor was enhanced by gadrinium enhancement homogeneously. The resected kidney contained semitranslucent, gelatinous, tan mass within the lower pole of the kidney. The microscopic examination showed the typical appearance of a myxoma, which consisted of large amounts of myxoid material containing a few uniformly scattered spindle cells The tumor cells showed immunoreactivity for vimentin but not for S‐100 protein, epithelial membrane antigen, cytokeratin, alpha smooth muscle actin.
doi_str_mv 10.1111/j.1442-2042.2007.01522.x
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Only three cases have been convincingly diagnosed as renal myxoma. Here we report an additional case. The case was a 36‐year‐old man and he was discovered incidentally at the regular health‐check for chronic hepatitis B. Computed tomography showed 8 cm low‐density tumor in the lower pole of the left kidney. The tumor was slightly enhanced by contrast agents. Magnetic resonance imaging revealed the tumor as low intensity on T1‐weighted imaging and high intensity on T2‐weighted images. The tumor was enhanced by gadrinium enhancement homogeneously. The resected kidney contained semitranslucent, gelatinous, tan mass within the lower pole of the kidney. 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subjects Adult
Angiography
Diagnosis, Differential
Humans
kidney
Kidney Neoplasms - diagnosis
Kidney Neoplasms - surgery
Magnetic Resonance Imaging
Male
Myxoma - diagnosis
Myxoma - surgery
neoplasms
Nephrectomy
renal myxoma
Tomography, X-Ray Computed
title Case of renal myxoma
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