pituitary gland metastasis was seen in elderly patients, and the incidence of pituitary metastasis is 1% to 4% of all cancer patients. renal cell carcinoma is a primary malignancy in only 2.6% of pituitary metastases. we reported a 50-year-old man with pituitary metastasis from renal cell carcinoma that had signs of diabetes insipidus. he had multiple lesions in both lungs, and bone scan involv...

following the first report of laryngeal small cell carcinoma in canada in 1972,only 82 cases of this cancer has been reported in the literature untill 2001.this cancer originates from laryngeal neuroendocrine cells.It,s clinical presentation consists of hoarseness,breathing difficulty:and cigarette smoking is the most important risk factor.this type of cancer is mostly presented after 50 years ...

background and objective: the frequency and pattern of eye neoplasms differ in various geographic areas. our aim was to determine the distribution of patient age, gender, ocular tumor origin, location and histological type in our region. materials and methods: in this cross-sectional study, all of the 384 eye globe enucleation cases carried out during a 10-year period in farabi medical center i...

background and objective: evaluation of tumor proliferative activity may provide a predicting parameter to estimate biologic aggression and a subsequent prognosis that has been evaluated in many malignancies. we have selected renal cell carcinoma (rcc) in this study. to determine tumor proliferative activity, ki67 antibody was applied and results were compared with apoptosis, applying p53 antib...

introduction: diagnosis, prediction and control of oral lesions is usually done classically based on clinical signs and histopathologic features. due to lack of timely diagnosis in all conventional methods or differential diagnosis, biopsy of patient is needed. therefore, the patient might be irritated. so, an intelligent method for quick and accurate diagnosis would be crucial. intelligent sys...

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nevoid basal cell carcinoma syndrome (bcns) is an autosomal dominant inherited disorder. multiple organ systems may be affected in this syndrome including abnormalities of the skin, skeletal system, genitourinary system and central nevus system. in this report, we present a case of nevoid basal cell carcinoma syndrome in a 26-year-old male patient. the patient had multiple odontogenic keratocys...

previous studies on etiology of squamous cell carcinoma (scc) of the tongue have reported results with respect to long term exposure to cigarette smoking and alcohol abuse. the aim of this study was to investigate risk factors for scc of the tongue in a set of patients with minimum exposure to cigarette smoking and alcohol. sixty four cases with diagnosis of oral tongue scc were reviewed in thi...