Kenichi Sugiyama

  • Citations Per Year
Learn More
OBJECTIVES We analyzed the clinical features and surgical techniques used in cases of childhood congenital cholesteatoma of the middle ear. METHODS We studied 26 patients (26 ears) who underwent surgery for congenital cholesteatoma between January 1998 and December 2009, focusing on the location and type of cholesteatoma, the surgical procedures involved,(More)
INTRODUCTION Small cell carcinoma/neuroendocrine carcinoma (SCNEC) of the oropharynx is uncommon. Two cases of SCNEC in an 81-year-old woman and in a 54-year-old man are presented here. CASE DESCRIPTION We have documented two cases of SCNEC arising in the oropharynx with evidence of high-risk human papillomavirus (HPV) infection. Histologically, both(More)
CONCLUSION Habitual sniffing affects the pathogenicity and recurrence of cholesteatoma. Postoperative instructions requesting patients to cease sniffing may reduce the retraction and recurrence of cholesteatoma. OBJECTIVE To examine the relationship between tympanic membrane retraction and habitual sniffing in patients with cholesteatoma. METHODS We(More)
BACKGROUND We report a rare case of a patient with a hypopharyngeal metastasis from breast cancer. CASE PRESENTATION Isolated breast cancer metastasis to the hypopharynx has been previously reported in only one autopsy case. Herein, we report a 56-year-old woman with metastases to the hypopharynx almost 24 years after receiving a mastectomy and(More)
  • 1