Four patients are described in whom a follicular carcinoma developed following thyroidectomy for a benign follicular neoplasm. It is possible that the initial thyroid neoplasm was a well- differentiated follicular carcinoma which was microscopically indistinguishable from a benign adenoma. Realizing this pathologic pitfall in thyroid diagnosis, the need for meticulous examination of the pa...

Splenogonadal fusion is a rare congenital malformation whereby the splenic tissue is found attached or surrounded by the testis, and presents in both continuous and discontinuous forms. Splenogonadal fusion may be misinterpreted as a primary malignant testicular or an adenomatoid tumor. Knowledge about the existence of such an entity is essential in order to preserve the testis during surgical ...

Several advances in the filed of organ transplantation in last decades have resulted in significant increase in the number and methods of transplantation. In this article various aspects of organ transplantation including immunosuppressive medications, common skin tumors seen in transplant recipients, possible mechanisms involved in increased incidence of skin tumors and finally preventive meas...

background: sonoelastography is a new ultrasound method which could be helpful to determine which thyroid nodule is malignant. we designed this study to evaluate the accuracy of sonoelastography in differentiating of benign and malignant thyroid nodules in iranian patients. methods: forty thyroid nodules in forty consecutive patients who had been referred for sonography‑guided fine‑needle aspir...

a survey of malignant lymphoid tumors among iranians the frequency. histopathologic features, and clinical aspects of malignant lymphoid tumors. among iranians arc discussed on the basis of 68,000 consecutive biopsies and 1917 autopsies performed over a twenty.five years period in the department of pathology at teheran university. of the 5814 lymph nodes examined on biopsy, 1368 (23%) showed ma...

background: malignant melanoma, one of the most deadly skin cancers, is a skin tumor that arises from the epidermal melanocytes. the aim of this study is to evaluate the demographic and clinical data of malignant melanoma patients in a referral dermatology center in the south of iran. methods: in this retrospective study, we have reviewed files of 116 patients diagnosed with malignant melanoma ...

background: the alteration of th1 and th2 cytokine levels is the subject of controversy in pleural effusions caused by malignancy, a situation that favors a th2 immune response. objective: to examine the different levels of il-4 and il-10 (th2 cytokines), and il-2 and interferon-γ (ifn-γ) (th1 cytokines) in malignant and non-malignant pleural effusions. method: the cytokine levels in pleural fl...

Malignant mixed germ cell tumors,though rare overall, are the most common type of malignant ovarian neoplasms in young and adolescent girls. These tumors are rapidly growing and can metastasize. We report a case of 13-yr-old girl who presented at SHKM GMC, Nalhar, Mewat, Haryana, India in December 2013 with huge abdominal lump of a malignant mixed germ cell tumor comprising both immature terato...

Salivary  gland  tumors  accounts  for  less  than  1%  of  all  tumors.  Minor  salivary  gland  tumors (MSGTs) are uncommon and make up about 10% of all salivary gland neoplasms. The clinical and histopathological distribution of these tumors vary geographically. A case of a 38 yr old man with a minor salivary gland mass at chin region isreported here. The tumor invaded into the anterior ...