the aisi 316 l stainless steel (ss) specimens were exposed to passivation surface through two different processes including; holding in 40-vol% hno3 at temperature of 60 ºc for 30 min and 15-vol%h2so4 at ambient temperature for 1 hour. the corrosion behavior of specimens was evaluated in physiological solutions by electrochemical in vitro tests through linear and tafel polarization tests. cycli...

This is a preliminary report of 28 patients with ulcerative colitis who we surgically treated with "J" pouch endorectal pull-through operation from 1978 to 1996. All patients are continent with a median stool frequency of 4 times per day, no night soilage. low postoperative complications and one mortality due to pulmonary embolism.

Introduction: Surgical approaches for the management of pulmonary aspergilloma have been accompanied with high levels of morbidity and mortality. However, these therapeutic options are still favored over other approaches for the treatment of Pulmonary Aspergilloma. In this study, we aimed to describe the characteristics of 30 patients with aspergilloma who referred to  Ghaem hospital between 20...

conclusions ica with trigeminal neuralgia and local neuropathic itch is very rarely encountered in clinical practice. as it is not always diagnosed at first, some patients miss the best treatment period. therefore, we call for emphasis to be placed on early diagnosis and timely surgical treatment. introduction intramedullary cavernous angioma (ica) is a rare lesion of the spinal cord, represent...

granulomatous mastitis (gm) is a rare breast disease with unknown etiology. clinical management strategies for gm include surgery, antibiotics, and steroid treatments. as patients with gm often respond to steroids, gm is thought to be an autoimmune disease. here we describe a case of trauma?induced gm that presented as autoimmune disease but was successfully treated by surgery without steroids....

objectives: the aim of this retrospective observational study was to identify local and clinical factors related to the need of surgical repair. patients and methods: in this retrospective study, 122 (0.06%) fpas treated among 21060 patients over a period of five years were assessed. patient characteristics and therapeutic procedures were analyzed through hospital records. results: there were 1...

Approximately 20% of caustic ingestions result in some degree of esophageal injury. Alkaline materials are the most frequent corrosive materials ingested.     The physical form and PH of ingested materials play a critical role in the site and type of gastrointestinal injury (PH > 12 or PH < 1.5, crystalline drain cleaners). Unlike Alkaline solutions, strong acids are bitter, burn on contact and...

Male factor is the sole reason or a component for infertility in 20 and 30% of cases respectively. The management of the disease may be via medical or surgical treatment. The surgical approach is classified as techniques which improves sperm production and delivery in order to achieve spontaneous pregnancy or sperm retrieval techniques prior to assisted reproductive techniques (ART). Varicocele...