background cerebral venous sinus thrombosis (cvst) is a frequent cause of cerebrovascular disease in iran. objectives in this study, we report cumulative data of published iranian studies in a systematic manner with critically appraisal and presenting future directions. materials and methods the authors systematically searched the isi web of knowledge, pubmed, scopus, ebesco and iranmedex for k...

hemangiomas of the sinonasal tract are rare, and because these lesions lack the typical signs or symptoms, they can be confused with other malignant conditions. we report a case of cavernous hemangioma of the maxillary sinus in a 68-year-old man that was completely resected by endoscopic sinus surgery. although computed tomography (ct) and magnetic resonance imaging (mri) showed several enhanci...

a ruptured sinus of valsalva aneurysm rarely accompanies the aortic and tricuspid valve endocarditis. a 36-year-old woman presented with low-threshold dyspnea on exertion and fever. transthoracic and transesophageal echocardiography showed a ruptured noncoronary sinus of valsalva aneurysm with large vegetations on the tricuspid and aortic valves, resulting in moderately severe tricuspid regurgi...

littoral cell angioma is a splenic vascular tumor of splenic sinus lining cells that is considered benign in general. this report describes a case of littoral cell angioma with no malignant histological features. the lesion is composed of anastomosing vascular channels resembling splenic sinus; they are lined by endothelial cells which show mitotic activity very rare. immunohistochemically, the...

this is a report of a case with unilateral cavernous sinus thrombosis due to ipsilateral ethmoid sinusitis. a 10 year old female was admitted in our hospital with severe headache, purulent postnasal discharge, right eye proptosis and third cranial nerve palsy in the same eye. she had history of viral upper respiratory tract infection and then acute otitis media which did not improve with routin...

This is a report of a case with unilateral cavernous sinus thrombosis due to ipsilateral ethmoid sinusitis. A 10 year old female was admitted in our hospital with severe headache, purulent postnasal discharge, right eye proptosis and third cranial nerve palsy in the same eye. She had history of viral upper respiratory tract infection and then acute otitis media which did not improve with rou...

a case of direct carotid-cavernous sinus fistula (ccf) after closed head injury is presented. a 22-year-old male presented to the emergency department of shohada tajrish hospital with the chief complaint of blurred vision and pulsatile retro-orbital headache. the patient had closed head injury due to car accident 2 month ago with lower limb fracture. after a 2-week symptom-free period, he devel...

b a c k ground: over the past decades, instruments and techniques of the transsphenoidal approach have improved greatly. all of these procedures, whether microscopic or endoscopic, must pass through the sphenoid sinus to reach the lesions. the sphenoid sinus is surrounded by several vital anatomical structures. knowing the details of the anatomy of the sphenoid sinus and the extent of pneumatiz...

patients with valvular heart disease suffer from atrial fibrillation for more than 12 months after valve surgery and have a low probability of remaining in sinus rhythm. we performed an intra-operative procedure similar to surgical maze ііі procedure for conversion of this arrhythmia to sinus rhythm. we did this study to evaluate the efficacy of this procedure to restore the sinus rhythm in pat...