background and aims. several diagnostic methods are being employed to detect benign and malignant lesions, one of which is silver nitrate staining for organizer regions. the number of nucleolar organizing regions (nors) can be used to show the degree of cell activity or metabolism in pathologic lesions. this study was designed to evaluate nors as determinants of precancerous and squamous cell c...

conclusions based on evidence, dentists and dental health care professionals should consider periodontal disease as a risk factor for the development of neoplasms in the oral cavity. it also seems a good idea to provide periodontal therapy for patients with cancer to achieve ideal therapeutic results. results cancer of the oral cavity and periodontal disease are related from different aspects. ...

Cervical squamous intraepithelial lesions (SIL) and cervical cancer (CxCa) develop because of high-risk human papillomavirus (HR-HPV) infection; however, other cofactors such as endogenous hormones could contribute to the development this neoplasia.

▼ BENIGN “VIRUS-INDUCED” TUMORS (ORAL SQUAMOUS PAPILLOMAS AND WARTS) ▼ SYNDROMES WITH BENIGN ORAL NEOPLASTIC OR HAMARTOMATOUS COMPONENTS Von Recklinghausen’s Neurofibromatosis Gardner’s Syndrome Peutz-Jeghers Syndrome Nevoid Basal Cell Carcinoma Syndrome Multiple Endocrine Neoplasia Type III (Multiple Mucosal Neuroma Syndrome) Tuberous Sclerosis Acanthosis Nigricans Albright’s Syndrome Paget’s ...

this is a case report concerning a 60 years old man who lived for a short period in an endemic area of khuzestan province (neighboring province of persian gulf in iran) for approximately 20 years ago. recently he referred to the urology department of kerman university of medical sciences with hematuria and dysuria. in the sonography a polypoid mass on the bladder floor was observed. in the cyst...

skin cancer is one of the most important type of cancers in the world. in this way, molecular investigation in order to detect some novel mechanisms and polymorphisms involved in cancer development can be impressive and vital. in this way, the aim of this study was the histopathological investigation of skin cancer and its relationship with polymorphism of cdkn2a gene. this case-control study w...

melatonin inhibits tumor genesis in a variety of in vivo and in vitro experimental models of neoplasia. in industrialized societies, light at night, by suppressing melatonin production, poses a new risk for the development of a variety of cancers such as breast cancer. this effect on skin has been previously studied only in animals and not in humans. our goal was to examine the relationship bet...

BACKGROUND: The assessment of tumor invasion of underlying benign stroma in neoplastic squamous proliferation of the larynx may pose a diagnostic challenge, particularly in small biopsy specimens that are frequently tangentially sectioned. We studied whether thresholds of an eosinophilic response to laryngeal squamous neoplasms provides an adjunctive histologic criterion for determining the pre...