Osamu Fukuoka

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Prospective trials of non-surgical observation have shown progression rates of only 5–10 % in patients with asymptomatic papillary microcarcinoma (PMC). This study investigated time-dependent changes in calcification patterns and tumor vascularity on ultrasonography (US) to clarify the natural course of PMC. We examined calcification patterns and tumor(More)
BACKGROUND We aimed to determinate the prognostic value of lymphovascular invasion in the specimens resected during total laryngopharyngectomy for hypopharyngeal carcinoma. METHODS Patients who underwent total laryngopharyngectomy at our institution between 2004 and 2014 were included in this study and retrospectively analyzed. We then discriminated for(More)
Temporal bone squamous cell carcinoma (TSCC) is a rare malignancy. Due to its low incidence rate, studies involving TSCC treatment are limited. The aim of this study is to define the prognostic factors of surgery for TSCC by evaluating our clinical experience. We reviewed the clinical charts of patients presenting at the University of Tokyo Hospital between(More)
We report a case of primary syphilis with initial lower-lip sclerosis. 54-year-old man seen for a left lower-lip lesion was found in serological testing to have elevated syphilis-rapid plasma regain (STS-RPR) and treponema pallidum lipid antigen (TPLA), diagnosed as primary syphilis. Following four weeks of 1500 mg/day amoxicillin administration, the lesion(More)
Mohs' chemosurgery, originally developed to treat skin cancer, uses zinc chloride in Mohs' ointment to fix tissues, and is applicable in different clinical settings. In advanced head and neck cancer, Mohs' chemosurgery relieves main skin-infiltration symptoms such as bleeding, infection, exudation, and severe pain. Mohs' chemosurgery conducted in two cases(More)
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