sertoli cell tumors of the testis are extremely rare tumors with a heterogeneous pathology. three histological variants have been described: sertoli cell tumor not otherwise specified (nos), large cell calcifying sertoli cell tumor and the sclerosing sertoli cell tumor. the sclerosing sertoli cell tumor described herein is associated with prominent stromal sclerosis. they present as painless sc...

introduction: non-ossifying fibroma (nof) is a relatively common benign and non-neoplastic lesion in long bones of children and adolescents. as far as very few cases of nof have been reported in jaws and what was managed to be found regarding all reported cases having occurred only in the mandible, in this article we are going to report a case of maxillary nof in a 38-year-old female.

abstract introduction moyamoya is a rare chronic progressive occlusive cerebrovascular disease that its manifestation varies from stroke, progressive learning impairment and transient ischemic attack to headache and seizure. there is no known medical treatment and surgery usually is needed. the incidence of this disease is about 1 person in 10 million people and angiographic picture of this dis...

malformations which occur during the development of the avian body organs can lead to structural and functional abnormalities. most defects are recognized at hatching, but some go undetected until somewhat later. the cause of the majority of animal congenital malformations is unknown. a significant proportion of congenital malformations of unknown cause are likely to have an important genetic c...

although amniotic fluid embolism is a rare event, but it is a tragic event. this kind of embolism occurs in 1 per 20,000 to 30,000 births with 86% maternal mortality rate in the united states. amniotic fluid embolism is in charge of near 10-15% of all maternal deaths. this article reflects the experiences of a nurse midwife encountered with a maternal and neonatal death due to an amniotic fluid...

premixed non-setting calcium hydroxide (caoh 2 ) paste in pressure syringe system is commonly used in root canal therapy. the aim of this paper is to present a case involving an iatrogenic extrusion of the medicament during endodontic treatment and a literature review of similar reports. the present case demonstrates severe tissue necrosis and other deleterious effects following the extrusion o...

a mandibular first molar requiring root canal therapy was found with five canals, three mesial canals, and two distal canals. initially, four canals (mesiobuccal, mesiolingual, distobuccal, and distolingual) were identified. the mesiobuccal and mesiolingual canals were found in their normal locations, and a fifth canal was noted between these two. this case demonstrates a rare anatomical config...

elephantiasis nostras verrucosa (env) is a rare condition in which hyperkeratosis, fibrosis and disfiguration of dermis occurs. it is caused mostly by non infectious diseases such as surgery, trauma, tumors, and venous obstructions. to our knowledge there is not any case report of env in middle east region. in this patient, env caused by trauma and patient presented with enlargement of right lo...

this condition is due to deficiency in electron transport flavoprotein or electron transport fluvoprotein dehydrogenase.the clinical presentation is characteristic of fatty acid oxidation disorders. this disorder is poor prognostic and death in infancy is common.the central nervous system involving causes neurodevelopmental delay, hypotonia, and head lag. different type of seizures such as infa...

contralateral pneumothorax crossing the midline in a patient with autopneumonectomy can mimic bilateral pneumothoraces on chest radiography. in this study, we report a rare case of right pneumothorax mimicking bilateral pneumothoraces in a patient with left autopneumonectomy. a 37-year-old man complained of progressive chest pain and dyspnea. the initial chest radiography revealed visible visce...