Transrectal Ultrasonography of a Small Rectal Carcinoid Tumor with Lymph Node Metastasis: A Case Report |
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Authors: | Akasu, Takayuki Moriya, Yoshihiro Sugihara, Kenichi |
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Affiliation: | Department of Surgery, National Cancer Center Hospital Tokyo |
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Abstract: | A 27-year-old woman with a small rectal carcinoid tumor wasexamined by transrectal ultrasonography (TRUS) for preoperativestaging. TRUS revealed regional lymph node involvement, in additionto a 10-mm hypoechoic tumor invading into, but not through,the submucosa. The lymph node involvement was confirmed preoperativelyby TRUS-guided needle biopsy. Although the digital examinationfindings indicated local excision was appropriate, in accordancewith TRUS and TRUS-guided biopsy findings, the patient underwentradical surgery. The TRUS findings of lymph node involvementand depth of invasion were confirmed histologically. The patientis alive and disease-free 35 months postoperatively. These observationssuggest that TRUS reveals the regional lymph node involvementand the depth of invasion of rectal carcinoid tumors accuratelyand, therefore, helps in selecting appropriate treatment. |
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Keywords: | Carcinoid Rectal neoplasms Ultrasosnography |
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