leydig stromal cell tumor is a rare ovarian tumor that belongs to the group of sex-cord stromal tumors. they produce testosterone leading to hyperandrogenism. we present a 41yr old woman with symptoms of virilization and a mass of right adenex via ultra sonography, and a rise of total and free serum testosterone. an ovarian source of androgen was suspected and a surgery performed. a diagnosis o...

ABSTRACT Introduction: Pleomorphic adenoma is the most common tumor of the salivary gland. The tumor most commonly arises in the parotid or submandibular salivary glands. Infrequently, it arises from minor salivary glands. Minor salivary gland tumors are mostly malignant. Case Report: We report four cases of pleomorphic adenoma of hard palate. All four cases range from 30–45 years. All were ben...

castleman’s disease, giant lymph node hyperplasia, is a kind of benign lymphoproliferative disease with gentle behavior. its etiology and prevalence are unclear. this rare disease is usually found in mediastinal area asymptomatically and incidentally. it is also rare to see this tumor in the retroperitoneum. in this study, we have introduced a 34-year-old woman who referred just with occasional...

introduction: sialadenoma papilliferum (sp) is a rare benign tumor, which originates from the minor salivary gland. it occurs at sites that have minor salivary glands, such as the palate, retromolar pads, buccal mucosa, and lips. the most common location for tumor development is on the hard palate. a differential diagnosis consists of ruling out other salivary gland tumors. transoral robotic su...

AIMS To investigate the incidence of ordering tests for tumor markers which are used in cancer diagnosis, follow-up treatment and detection of recurrence, the rate of elevation in benign diseases and which clinics order them frequently. MATERIALS AND METHOD Data for the tumor markers carbohydrate antigen 19-9 (CA 19-9), carcinoembryonic antigen (CEA), cancer antigen 125 (CA 125), cancer antig...

introduction hemangioma is the most common benign tumor of the liver. most cases are asymptomatic and do not require treatment. a hemangioma can rarely be pedunculated; as a result, it may undergo torsion and infarction, which can make it symptomatic. case presentation we report the case of a 45-year-old woman with acute abdominal pain due to torsion of a giant pedunculated hepatic hemangioma a...

Microscopically, ovarian malignant Brenner tumor shows components of malignant transitional cell tumor intermixed with benign and borderline elements. We report a case of this tumor with components that transition from benign to malignant on diffusion-weighted images (DWI) and in histologic findings. The benign component showed low signal intensity on T(2)-weighted images, whereas the malignant...

Inflammatory fibroid polyp is a benign mesenchymal tumor most commonly arising in the stomach and ileum. It needs to be distinguished from other tumors of GIT which done with help morphological features IHC.