non-hodgkin lymphoma (nhl) is one of the masquerade syndromes of malignant melanoma that can occur with two main patterns of presentations in the eye: metastatic involvement of uveal tract, and primary involvement of retina. we report ophthalmic, imaging and histopathological findings in the first case diagnosed as primary choroidal nhl without central nervous system or systemic involvement. a ...

the result of the 6 years study of patients with hydatiform mole (hm) and its malignant degeneration in isfahan are presented. the over all frequency is estimated to be one hm in 440 child births. this frequency has remained relatively unchanged through out the study. increased consumption of meet did not seem to lower the frequency of hydatiform mole in our study. the over all frequency of mal...

156 iranian patients with primary malignant tumors of the small intestine were reviewed. malignant lymphoma was the most common tumor type, comprising 128 patients (82%), followed by adenocarcinoma (22 patients, 14.1 %), leiomyosarcoma (4 patients, 2.56%) and carcinoid tumor (2 patients, 1.28%). lymphomas and adenocarcinomas were primarily located in the duodenum or jejunum, whereas leiomyosarc...

#no abstract#

background:   although the majority of soft tissue masses are benign, it is important to consider malignancy in differential diagnoses. because most soft tissue sarcomas present as a painless mass, clinicians must watch for signs suggestive of malignancy, including large size, rapid growth, and site deep into the deep fascia.the purpose of this study was to determine the relative prevalence acc...

a 41 year old woman was referred to our center because of a left breast mass lesion of about two months duration. routine pathologic examination of the mass revealed a .neoplastic tissue composed of large ovoid cells with clear cytoplasm arranged in broad sheets that were separated by thin bundles of connective tissue. immunohistochemically tumor cells express smooth muscle actin, cytokeratin, ...

a 17 year old male who underwent surgery for thoracic outlet syndrome developed a postoperative complication which was labelled and diagnosed as malignant hyperthermia in kerman medical center. the temperature recorded was 43°c, pac02 70 mmhg and serum potassium level was 7 meq/l. the patient was hospitalized in the intensive care unit for 10 days. on discharge, the patient had aphasia and inco...

postmortem examination of a 5.5-year-old holstein cow with history of sudden death showed a veryhuge spleen (120 × 45 × 10 cm) associated with severe haemoperitoneum. histopathological findingsincluded extensive infiltration of medium to large sized lymphocytic and lymphoblastic cells with smallamounts of cytoplasm, round nuclei with coarsely granular chromatin in the spleen, and limited foci o...

osteosarcoma is a primary malignant tumor of bone, which can involve jaws. this article reviews osteosarcoma of the jaws referred to the department of oral pathology, dental faculty of tehran university of medical sicences and pathology department of cancer institiute in imam khomeini hospital during 30 years from 1349 to 1378 and also reviews jaw osteosarcoma in english literature. the purpose...

zosteriform metastasis is a rare clinical distribution from spreading neoplasms of every organ to the skin. tumors most often arise from a n internal o r hematologic malignancy. w e report a 69-year-old man, a known case of malignant melanoma of the left heel. in this case, multiple red-brown metastatic nodules appeared four months after diagnosis. distribution of metastatic lesions resembled a...