conclusion our preliminary results have shown that although there is some overlap between benign and malignant tumors, adding dwi, mr imaging to routine soft tissue tumor protocols may improve diagnostic accuracy. results there was only one patient with a malignant cystic tumor and was not included in the statistical analysis. the median adc values of benign and malignant tumors were 2.31 ± 1.2...

Granular cell tumor is a rare benign non-encapsulated tumor that mostly presents in oral cavity. Breast localization is uncommon and occurs in about one per 1000 cases of breast cancers. It mainly affects premenopausal women showing the possible role of estrogen and progesterone levels in the progression of this tumor. Granular cell tumor is a great emulator of the invasive ductal carcinoma of ...

abstract bizarre parosteal osteochondromatous proliferation (bpop), also known as nora's lesion is a rare osteocartilaginous lesion composed of a disorganized mixture of cartilage, bone, and fibrous tissue. in this article we report a case of bpop arising on the proximal and middle phalanx of ring finger in a 31 year-old woman. the clinical, radiographic, mr imaging and histopathologic findings...

Introduction: Different imaging modalities are used to evaluate salivary gland diseases, including tumors. Ultrasonography (US) is the preferred method on account of its ease of use, affordability, safety profile, and good tolerance among patients. The aim of this study was to evaluate the role of US in differentiating malignant from benign parotid tumors, in the context of previous controversy...

twenty five cases of minor saliva ry glands tumors which was observedat the department of pathology of university of tehran from 1967 to 1972 are presented and discussed . benign mixed tumor is the most common and the only benign lesion in this series of 75 patient with intraoral salivary gland tumor. there were eleven malignant type and hence about 44% of all the tumor arc malignant and it cor...

Background: Schwannoma is a peripheral nerve sheath tumor originating from schwann cells. It is the most common neurogenic tumor of the posterior mediastinum. Pleural effusion is a rare presentation of benign schwannoma and it is mainly related to malignant tumors. Histologically, schwannoma as well as solitary fibrous tumor should be considered as a differential diagnosis of spindle cell lesio...

Primary malignant neoplasms of the pericardium are rare and are predominantly mesotheliomas, followed by benign localized fibrous mesothelioma, malignant fibrosarcoma, angiosarcoma and benign and malignant teratomas. 1 This article concerns an atypical presentation of this malignant tumor with symptoms and signs of pericardial effusion. This unusual feature was complete encasement of the h...

desmoid tumor of breast is a rare benign, locally aggressive tumor with a high recurrence rate. it has been associated with scar from previous breast surgery or trauma. especially in breast cancer patients with previous operation history, it may simulate recurrent breast cancer clinically and radiologically. we presented multimodality imaging findings (ultrasound, computed tomography, magnetic ...