background: patients which have diagnosed with a cancer, have a life time risk for developing another de novo malignancy depending on various inherited, environmental and iatrogenic risk factors. cancer victims could survive longer due to settling treatment modalities, and then would likely develop a new metachronous malignancy. this article aims to report our observed trend of increasing, in p...

An increasing proportion of new cancers is registered in patients who have received a previous cancer diagnosis. As data are inconsistent across studies, we provided information for populations long covered by valid cancer registration. Data were derived from the Swiss cancer Registries of Vaud and Neuchâtel (885,000 inhabitants). Patients diagnosed with a new malignancy (except skin basal and ...

Intraductal papillary-mucinous neoplasms (IPMNs) of the pancreas are rare lesions. We undertook this study to analyze these tumors by focusing on the diagnostic criteria and correlating the histologic features with clinical prognosis. Twenty-two cases of IPMN were retrieved from the Endocrine Tumor Registry of the Armed Forces Institute of Pathology. Blocks or unstained slides were available fo...

synchronous cancer is referred to two or more histological distinct malignancies diagnosed during the same hospital admission. globally more than 1 million people get colorectal cancer yearly resulting in about 0.5 million deaths. vulvar cancer is the fourth most common gynecologic cancer (following the corpus uterine cancer, cancer of ovary and cervix) and comprises only 4 percent of malignanc...

Head and neck cancers are a common spectrum of diseases, accounting for over one-third of a million deaths worldwide each year, and over 11,000 annual US deaths. This has typically been thought of as a disease related predominately to lifestyle choices, specifically to heavy exposures to tobacco and alcohol, and as such, has been diagnosed more in older males than in females. With increased pub...

background: the aim of this study was to present epidemiological aspects of malignant tumor of head and neck in southeast of iran, with a view toward analyzing the age, gender, site distribution and histological types.  methods: all cases with malignant tumor of the head and neck region from 1999 to 2009 were retrieved from the records of cancer registry center of kerman university of medical s...

Clear-cell variant of oral squamous cell carcinoma is an extremely rare entity. change can be seen in any the neoplasms, but as pure form variant, it difficult to find head-and-neck SCC. We hereby present a case report 71-year-old male who presented with growth erythematous patches on lateral pharyngeal wall for past 3 months. Histopathologic examination showed nests, islands and sheets maligna...