A Case of Synchronous Double Cancer of the Breast and Rectum Being Surgically Resected in a Planned Way

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  • 計画的に外科切除し得た乳癌・直腸癌の同時性重複癌の1例
  • ケイカクテキ ニ ゲカ セツジョ シエタ ニュウガン チョクチョウガン ノ ドウジセイ チョウフクガン ノ 1レイ
  • 症例報告 計画的に外科切除し得た乳癌・直腸癌の同時性重複癌の1例
  • ショウレイ ホウコク ケイカクテキ ニ ゲカ セツジョ シエタ ニュウガン ・ チョクチョウ ガン ノ ドウジセイ チョウフクガン ノ 1レイ

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Abstract

<p>We experienced a case of synchronous double cancer of the breast and rectum. A 67-years old woman had melena and visited to internal medicine of our hospital. She also had been noticed a left small breast mass since last year. Endoscopic examination of the colon demonstrated a type 2 cancer in 2cm from the anal verge. Cytology of the tumor was diagnosed in group 3. The tumor was 3cm and observed at D region in left breast by mammography and breast ultrasound. Needle biopsy demonstrated as scirrhous carcinoma in histologically. PET/CT showed abnormal accumulations and swellings of lymph nodes around internal iliac artery and left dorsal lesion of the rectum. PET showed a slight accumulation in left adrenal gland which couldn't be denied the possibility of a metastasis. Therefore, we diagnosed synchronous double cancer of the breast and rectum. We performed partial mastectomy with sentinel lymph node biopsy and sigmoid colostomy. Subsequently, she had been treated in neoadjuvant chemotherapy and radiation therapy to rectal cancer. The tumor and lymph nodes were remarkably decreased, and the evaluation of treatment was partial response. One month later, rectal amputation was performed. After that, we performed the radiation therapy to left residual mammary glands. She had also received in adjuvant chemotherapy, and she is alive without recurrence. In a case of synchronous double cancer, we should make a radical treatment plan for both cancers by taking into account of tumor progression, QOL, ADL, timing for an operation, and side effects of chemotherapy, respectively.</p>

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