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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 heart ...

background: inhibin is a dimeric glycoprotein that has a depressive effect on the anterior hypophyse secretion. the level of this tumor marker is undetectable in menopause women. in patients with gynecological cancer, especially granulosa and epidermal-type (mucinous), ovarian cancers considerable increase in the serum level of inhibin has been reported. the increased level of inhibin has been ...

cancer stem cells (csc) are the tumor-associated cells existed within tumors or hematological cancers which share characteristics similar to normal stem cells. the common characteristics of a normal stem cell and a csc are their differentiation capacity and self-renewal in tumors. the expression pattern of csc markers differs depending on the type and location of cancers. cd molecules are proba...

benign renal cystic adenoma with out malignant features is a very rare entity. a 75 year old male with obstructive lower tract symptoms and vague flank pain was admitted and planned for nephrectomy of non functional kidney -due to long term nephrolithiasis- intra operative finding was a cystic hydronephrotic kidney filled by thick mucous secretions which turned out to be a cyst adenoma of kidne...

recent studies have indicated the profound  anti-tumor activity of artemisinin's compounds,  among  which;  arteether  is an  oil-soluble derivative of  artemisinin with an endoperoxide bridge that can induce apoptosis in tumor cells but not in the normal cells. an experiment was carried out on tumor-bearing balb/c mice to estimate the effects of arteether  on  tumor  growth  and  antitumor  im...

purpose : to report clinical and pathologic result of a young patient with isolated cavernous hemangioma of conjunctiva case report : a 26-year-old man who presented with smooth, red, lobular surface mass was seen in the bulbar conjunctiva in temporal side with engorged episcleral and conjunctival vessels around the lesion. excisional biopsy was performed. pathologist confirmed the diagnosis of...

conclusions the recurrence of hyperparathyroid hypercalcemia in htp-jt syndrome after an initial total parathyroidectomy is a well-known condition necessitating careful management, an evaluation of any underlying genetic abnormality, and a family examination. a surgical treatment and surveillance of calcium and pth measurements are necessary to prevent a recurrence. introduction cancer in the p...

background & objectives: the accurate assessment of the diseased tissue is fundamental to the diagnosis and management of disorders of the central nervous system (cns). the ‛squash’ or ‛crush’ technique has been universally employed in the intraoperative diagnosis of cns tumors. the aim of our study was to evaluate the accuracy of squash preparation in diagnosing cns tumors by comparing wit...

primitive neuroectodermal tumor (penets) is an uncommon malignancy of bone and soft tissue witch rarely occurs in the kidney. in more than 90% of the cases, the tumor cells relieves a balanced translocation (11; 22) (q24; q12). immunohistochemical staining may be required for diagnosis of penet. the cells of tumor express cd99, vimentin, nse, fl1 but do not express ck, lca, myogenin, and wt1. w...