aggressive osteoblastoma (ao) is a benign osteoblastic tumor which is rare in the head and neck region. clinical and histological features are therefore overlap with other benign and low-grade malignant tumors. the aim of this article is to report and discuss the differential diagnosis of an aggressive osteoblastoma in the mandible. a 25-year-old male patient reported with pain and asymmetry on...

introduction: schwannoma, or neurilemmoma, is a benign neoplasm of schwann cells that is extremely rare in the soft palate. herein we present a case of a soft palate schwannoma presenting with an ulcerated surface and purplish colour in a 12 year-old girl. this report also introduces a successful surgical technique for coverage of the defect left by surgery.

background: metastasis and recurrence of colorectal cancer after treatment is attributed to stem cells. the aim of this study was to determine the relationship between the expression of stem cell marker cd166 in colorectal cancer by immunohistochemistry and clinicopathologic parameters.methods: from 2006 to 2012, 121 colectomy specimens of patients with colon cancer that were operated in babol ...

Abstract Background and Aims Chronic kidney disease affects >10% of the world's population is associated with high mortality morbidity. The best predictor CKD progression extent fibrosis, i.e., pathological deposition extracellular matrix (ECM) loss functional parenchyme. Currently, there are no specific treatment options invasive biopsies remain gold standard for diagnosis. Multiple sig...

this is a report of a penile fibrosarcoma in a two-year-old crossbred holstein bull. the ulcerated tumormass with dimensions of 7 × 9 × 6.5 cm, was enveloped the glans and body of the penis. it had a white-graycolor at cross section appearance. there was no metastatic evidence of regional lymph node enlargement.histopathologically, elongated spindle-shaped cells arranged densely in the interwov...