objective(s): considering the fact that the standardized uptake value (suv) of a normal lung tissue is expressed as x±sd, x+3×sd could be considered as the threshold value to outline the internal tumor volume (itv) of a lung neoplasm. methods: three hollow models were filled with 55.0 kbq/ml fluorine18- fluorodeoxyglucose (18f-fdg) to represent tumors. the models were fixed to a barrel filled w...

p53 and pcna expression in keratocystic odontogenic tumors compared with selected odontogenic cysts summary: the aim of this study was to evaluate p53 and pcna expression in different odontogenic lesions regarding their different clinical behaviors. slices prepared from 94 paraffin-embedded tissue blocks (25 radicular cysts (rc), 23 dentigerous cysts (dc), 23 keratocystic odontogenic tumors (kc...

background: to determine which radiotherapy parameters are associated with the tumor response of locally advanced non-small cell lung cancer (nsclc) patients undergoing concurrent chemoradiotherapy. materials and methods: thirty one patients with iiia/iiib nsclc underwent chemoradiotherapy with a median dose of 63 gy. on our actual treatments, we made radiotherapy planning to cover the planning...

background & importance: acute autonomic system impairment can be dangerous and life-threatening, and a clinician should be aware of its occurrence possibility. according to the anatomy of this system, spinal cord lesions could disturb its function. there are many reports of autonomic dysreflexia in spinal cord i njuries especially spinal cord trauma. case presentation: a 28 year-old man with a...

the case was an 18-year-old female with progressive crampy abdominal pain, nausea and vomiting, initiated from 4 months ago, who had 4-5 kg weight loss in this period. in physical examination, an ill-defined mass with mild tenderness in periumblical region palpation was detected. in upper gi endoscopy, bulging folds with a necrotic mass in d2- d3 were detected. in small bowel series study, cut ...

conclusions primary extracranial meningiomas (pems) without intracranial origin are very rare and because of their slow growing nature are initially managed by primary care physicians. case presentation we report a case of slowly progressing extracranial meningioma that was presented in a young adult woman. the tumor was asymptomatic but large enough to cause cosmetic discomfort. patient underw...

we herein report a case of ventral side of tongue lipoma in a 60-year old man who referred to our department with a mass at the right ventral side of his tongue that had existed there for an unknown period of time. clinical examination revealed a yellowish nodular lesion measuring 1 cm in diameter. histological examination showed mature adipocytes and varying size vessels between lobules of the...

cancer is still one of the major causes of mortality in both developing and developed countries. at this time, in spite of intensive interventions, a large number of patients have poor prognosis. therefore, the effort for finding new anticancer agents with better efficacy and lesser side effects has continued. according to the traditional recommendations and experimental studies, numerous medic...

approximately 25% of all oral cavity carcinomas involve the lips, and the primary management of these lesions is complete surgical resection. loss of tissue in the lips after resection is treated with a variety of techniques, depending on the extension and location of the defect. here we review highly accepted techniques of lip reconstruction and some of new trials with significant clinical res...

background and objective: wilms’ tumor has been recognized as the most common primary malignancy of kidney at childhood, comprises 5-6% of tumors in this period, and manifests itself with various clinical symptoms. since there have been no sufficient studies in this field in iran, therefore, this study was conducted to investigate its histopathology and clinical symptoms. materials and methods:...