Background: Few studies regarding oral lesions of children and adolescents were reported in the medical literature. The aim of this study was to determine the frequency of these lesions in patients from birth to 20 years old in Babol, Northern Iran.Methods: The slides of all cases of oral lesions in children and adolescents, between 1990 and 2012 were obtained from the pathology archives of Sha...

Resently, we treated a 69-year-old patient with squamous cell carcinoma of lung with osteoclast-like giant cells which were similar with the giant cell tumor of bone. The clinical and pathological characteristics of this case were presented, and the literatures were reviewed. The tumor differed histologically from the pleomorphic carcinoma, which occurs most commonly in the lung and showed dive...

The author presents the epidemiology, classification, clinical features and strategies of treatment of Giant Cell Tumor. Giant Cell Tumor of Bone accounts for 4-8% of primary bone tumors. It is most commonly seen in women aged 20 to 40 years. The most common sites are the distal femur and proximal tibia, distal radius, and proximal humerus. Increasing pain at the tumor site is the most common p...

PURPOSE/METHODS To report a rare case of a tumor in a conjunctival location, a giant cell collagenoma. Tissue was stained with hematoxylin-eosin, periodic acid-Schiff, and Masson's trichromic stain and studied by immunohistochemistry. RESULTS/CONCLUSION The clinical and histopathologic features of conjunctival giant cell collagenoma are similar to characteristics of the same tumor occurring i...