Factor analysis on oral health care for acute hospitalized patients in Japan.

Aim: We conducted a survey to investigate the status regarding the implementation of oral health care for inpatients aged 65 years and older who were in the acute stages of stroke and to examine the factors related to the details of excellent model hospitals.

Methods: We sent a questionnaire on oral health care targeting all 8089 hospitals in Japan. On the basis of the responses obtained from the hospitals, we conducted a survey to analyze the factors defining what are known to be excellent model hospitals.

Metastatic malignant ameloblastoma of the kidneys.

Ameloblastoma is an uncommon disease in the urological field. The resulting tumors or cysts are of odontogenic epithelial origin, are usually benign in nature and rarely metastasize to distant organs. We describe a case of metastatic ameloblastic carcinoma in both kidneys of a 38-year-old Japanese man, who had a history of malignant ameloblastoma and was referred to us for evaluation because of gross hematuria and left flank pain.