cancer starts with a change in one single cell. this change may be initiated by external agents and genetic factors. cancer is a leading cause of death worldwide and accounts for 7.6 million deaths (around 13% of all deaths) in 2008. lung, stomach, liver, colon and breast cancer cause the most cancer deaths each year. in this review, different aspects of gastric cancer; including clinical, path...

background: prostatic adenocarcinoma is the most prevalent cancer and the second cause of cancer-related death among men. human papilloma virus (hpv) considered as a preventable risk factor for prostatic adenocarcinoma. in this study, we detected the frequency of hpv infection in prostatic adenocarcinoma and benign prostatic hyperplasia (bph) in isfahan. materials and methods: in this study, 12...

objective(s): prostate cancer is the world’s leading cause of cancer and the second cause of cancer-related death in men after lung cancer. differentiation of prostate adenocarcinoma from benign prostate lesions and hyperplasia sometimes cannot be done on the basis of morphologic findings. considering the fact that in the prostate adenocarcinoma there is no basal cell layer, basal cell markers ...

hepatic inflammatory pseudotumor (ipt) is a rare non-neoplastic process of unknown etiology, generally following a benign inflammatory condition. it is often mistaken as an either primary or metastatic malignancy in imaging studies. we report a 48 year-old female with numerous target lesions (2-4 cm) seen on high resolution ultrasound, spiral ct scan, and mri in all liver lobes compatible with ...

background: presence of discordance between the gleason score on needle biopsy and the score of radical prostatectomy specimen is common and universal. in this study, we determined the accuracy of gleason grading of biopsies in predicting histological grading of radical prostatectomy specimens and the degree of overgrading and undergrading of prostatic adenocarcinoma in our center, which is one...

purpose: to report a case of metastatic tumor to the right upper eyelid originating from a lung adenocarcinoma without any systemic signs. case report: a 68-year-old man had a two-month history of painless swelling in the right upper eyelid. the tumor slowly grew. two years before his presentation, he had received chemotherapy for lung cancer for one year. systemic and ocular examinations were ...

conclusions a complete immunohistochemical study should be considered in cases of malignant salivary gland tumors. to reduce the recurrence rate of these tumors, the optimum therapies are radiotherapy and chemotherapy. introduction salivary gland tumors are rare head and neck lesions. the majority are benign, with only 20% of cases malignant. an epithelial-myoepithelial carcinoma is a rare low-...

despite the high rate of prostate cancer, the incidence of penile metastasis originating from prostate cancer is extremely rare, especially in the form of peyronie’s disease. moreover, brain metastasis, which is caused by prostate cancer, is not a common phenomenon and occurs mostly in older patients. herein, we report a case of a middle-aged man with penile and brain metastasis originating fro...

purpose: true neoplasm (adenocarcinoma) of retinal pigment epithelium (rpe) is very rare since it can be misdiagnosed as intraocular malignant melanoma it is of importance to know the clinical and pathologic aspects of this neoplasm. here, we report a case of adenocarcinoma of rpe. methods: case report. results: a 60-year-old man with progressive loss of the vision of the right eye was enucleat...