conclusions an extremely rare condition, a spontaneous intracranial pneumocephalus with skull base defect origin could be considered as a possible diagnosis in patients with sudden and severe headache. we can safely conclude that medical treatment and close follow-up is an effective mode of therapy in this patient. introduction spontaneous pneumocephalus without any pathological condition is ve...

endometrial calcification along with ossification is an uncommon clinical entity. most of the cases are asymptomatic or present with secondary infertility. endometrial ossification associated with repeated abortions has been reported very infrequently. here we report a case of endometrial calcification with ossification  due to retained fetal bony tissue in a 38 year old symptomatic female havi...

a 4-year-old female miniature pincher with a 40-day history of weight loss, lethargy and vomiting was referred to small animal hospital, faculty of veterinary medicine, university of tehran. the case also had severe jaundice, chronic diarrhoea and steatorrhoea. the efforts for saving the life of the case were not successful and finally the animal died of hypovolaemic shock and electrolyte imbal...

background: e-cadherin is a calcium-dependent molecule that contributes to intercellular adhesion. its proper functioning is important in the maintenance of epithelial structure and integrity. e-cadherin serves as a very important tumor suppressor. in this study, we aimâ to determineâ the frequencyâ of e-cadherin expression aberrancy and its relationship to theâ biologicalâ behavior of gastric ...

Animal models of human prostate cancer are very limited in number but are of obvious importance to develop. Dr. Morris Pollard (M. Pollard, J. Natl. Cancer Inst., 51: 1235-1241, 1973) has reported that Lobund-Wistar rats develop spontaneous metastatic prostatic cancer when they become old (approximately 25% incidence after 25 months). A chemically induced form of the disease has also been descr...

The behavior of a transplanted adenocarcinoma of the uterus of a rabbit has been studied through 12 serial generations in the anterior chamber of the eye and 6 serial generations in the testicle. The transplanted tumor is characterized by slow growth which is at first expansive and later invasive, by an ability to form more or less differentiated structures in response to different environmenta...