The Diagnostic Value of Endoscopic Ultrasonography and Magnetic Resonance Imaging for Anorectal Malignant Melanoma: Report of a Case

@article{Sashiyama2003TheDV,
  title={The Diagnostic Value of Endoscopic Ultrasonography and Magnetic Resonance Imaging for Anorectal Malignant Melanoma: Report of a Case},
  author={Hiroshi Sashiyama and Wataru Takayama and Shin-ichi Miyazaki and Harufumi Makino and Kazuyuki Matsushita and Hideaki Shimada and Takao K Suzuki and Takenori Ochiai},
  journal={Surgery Today},
  year={2003},
  volume={33},
  pages={209-213}
}
A 74-year-old Japanese woman presented with a 3-month history of anal bleeding. Proctoscopy revealed an unusual polypoid lesion with focal pigmentation at the dentate line, which was histologically diagnosed as a malignant melanoma. Whole-body clinical and radiographic evaluations revealed no alternative primary source. Endoscopic ultrasonography (EUS) showed well-delineated hypoechoic tumors invading the muscularis propria, and magnetic resonance imaging (MRI) revealed regional… CONTINUE READING