Mamoru Maeda

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Between 2004 and 2007 we examined foods from Japanese retail shops for contamination with ochratoxin A (OTA) and fumonisins B(1), B(2), and B(3). A total of 1,358 samples of 27 different products were examined for OTA, and 831 samples of 16 different products were examined for fumonisins. The limits of quantification ranged from 0.01 to 0.5 microg/kg for(More)
A 66-year-old man was referred to our hospital with esophageal tumor. He was diagnosed with esophageal small cell carcinoma by endoscopic biopsy. He had a low serum sodium level at admission and was diagnosed syndrome of inappropriate secretion of antidiuretic hormone (SIADH). His CT scan revealed esophageal wall thickness and swelling of thoracic and(More)
Squamous cell carcinoma(SCC)of the breast is a rare pathological-type cancer with an unclear origin. It has been suggested that breast SCC may originate from squamous metaplasia of the ductal epithelium. We report a case of SCC of the breast which histological carcinoma type changed after neoadjuvant chemotherapy. A 66-year-old woman visited our hospital(More)
A 72-year-old woman with a history of rectal cancer was admitted to our hospital to undergo thyroidectomy and left adrenalectomy. She had undergone low anterior resection and regional lymph node dissection for rectal cancer 52 months pre-admission (T3 N1 M0, stage IIIb according to International Union Against Cancer tumor-node-metastasis), and she had also(More)
A 65-year-old man was referred with Stage IV rectal cancer with lung and liver metastasis. He had done low anterior resection. One month after operation, he was administered anti-cancer drugs of FOLFOX4 protocol. Six months after operation, partial response was obtained of abdominal CT scan evaluation. Nine months after operation, FOLFOX4 was stopped by(More)
To evaluate LC methods with UV or MS detection for simultaneous analysis of deoxynivalenol (DON) and nivalenol (NIV) in wheat, an interlaboratory study was conducted in 11 laboratories. DON and NIV were purified using a multifunctional column, and their concentrations were determined using LC-UV or LC-MS(/MS). No internal standards were used. Three(More)
Perforation of Meckel's diverticulum with enteroliths is a rare complication. Here, we report a case of perforation of Meckel's diverticulum with enteroliths, which could be accurately diagnosed by the preoperative computed tomography (CT). A 46-year-old man with acute onset of severe abdominal pain, and a localized muscle guarding in the right(More)
A 56-year-old female visited our department due to bleeding from a mass in her left breast in November 2007. There was a tumor (diameter, 5 cm) accompanied by ulcer formation and fixation to the pectoral muscle, centering on the left breast Carea. CT examination showed multiple lung metastasis and liver metastasis. Core needle biopsy demonstrated scirrhous(More)
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