Toshiki Moriki

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A forty-year-old female consulted a hospital complaining of epigastralgia. She underwent endoscopy, which showed irregular shaped ulceration with fold convergence; the biopsy specimen revealed poorly differentiated adenocarcinoma. She underwent subtotal gastrectomy and lymph node dissection. Histological findings revealed the signet-ring-cell cancer(More)
Preoperative neoadjuvant chemotherapy is essential for treatment of patients with breast cancer who have a large tumor mass and/or regional lymph node involvement, in terms of both tumor shrinkage and further improvement of the survival rate. In order to safely perform breast-conservation treatment for these patients, a detailed diagnostic procedure for(More)
We describe an adenoid cystic carcinoma on the right breast of a 67-year-old woman. Dynamic magnetic resonance (MR) imaging demonstrated a well-circumscribed round lesion with rapid and marked enhancement on T1-weighted images, without washout of the contrast agent. The enhanced area extended gradually from the margin to the center of the tumor, showing(More)
We describe a 20-year-old woman with benign phyllodes tumor of the left breast. Dynamic MRI demonstrated a multi-lobulated lesion rapidly and markedly enhanced on dynamic studies of contrast-enhanced T1-weighted imaging without washout. Histological examination of an excisional biopsy specimen obtained under local anesthesia disclosed a well-circumscribed(More)
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