نتایج جستجو برای: sinus
تعداد نتایج: 42032 فیلتر نتایج به سال:
Background and purpose: Despite progresss in the techniques of surgery, there is still a lot of controversy about selection of the best technique and suture material. Many post operation complications such as infection, wound dehiscence, pain and sinus formation are related to the type of the suture used. In this study we compared the complications due to the absorbent suture (PDS) with a non...
Background & Aim: Umbilical pilonidal sinus is a granulomatous reaction to hair shaft penetrating the epidermis of umbilicus from the external surface. Several affected patients never undergo invasive investigations therefore, in most cases no pathological samples are taken. McClenathan(2000) recommended the clinical diagnosis of this entity. This study presents the cases who were pathologi...
Introduction: Pilonidal sinus disease is a chronic disease of sacrococcygeal region which is caused due to growth on hair in intergluteal region causing foreign body reaction and abscess formation. Different procedures are used to treat this condition surgically, which have their own complications, and recurrence rate. Rhomboid excision with Limberg flap is a method with minimal complicat...
Introduction: Odontogenic infections are one of the common cause of maxillary sinusitis. This study aimed to evaluate the relationship between the teeth with periapical lesions or periodontal disease and sinus mucosal thickening using cone-beam computed tomography(CBCT). Methods: This was a retrospective and cross-sectional study. CBCT scans of 97 patients(188 sinuses) were evaluated retrospec...
Background: Medical X-rays are the largest man-made source of public exposure to ionizing radiation. While the benefits of Computed Tomography (CT) are well known in accurate diagnosis, those benefits are not risk-free. CT is a device with higher patient dose in comparison with other conventional radiation procedures. Objective: This study is aimed at evaluating radiation dose to patients from ...
the study was conducted to determine the clinical pattern and etiology of cerebral venous thrombosis in iran. records of all adult patients admitted with a clinical diagnosis and mri of cerebral venous thrombosis from 1993 through 1999 in three major hospitals of tehran, iran were reviewed. fifty patients (39 women, 11 men) aged 14 to 56 years were identified. headache the most frequent and oft...
introduction: misdiagnosis and the resulting mismanagement are challenging issues in complicated cases which present with obscure complaints. interpreting radiologic studies, especially conventional plain radiologic images, remains the most frequently prescribed and useful modality for the first step of assessment. case presentation: in this report, we present a case of mismanagement of a stran...
we present a very rare case of partially unroofed coronary sinus without persistent left superior vena cava in a 74 years old female with a history of hypertension, severe myxomatous bileaflet mitral valve prolapse with severe eccentric mitral regurgitation which was diagnosed during cardiac surgery.
sinonasal undifferentiated carcinoma is an extremely rare malignancy of the paranasal sinuses and nasal cavity. it is of unknown etiology, and occurs more commonly in the elderly men, with a routinely shown aggressive behavior and poor prognosis for survival. radiographically, it looks like severe osteomyelitis. histopathologic study is essential to confirm diagnosis, and the undifferentiated h...
ameloblastomas are slow growing, locally invasive, benign odontogenic tumors of an epithelial origin, accounting for approximately 1% of all oral tumors. a 40-year-old man presented with a chief complaint of a swelling over the left side of his face of 4 years’ duration. on examination, gross facial asymmetry was detected, and a well-defined swelling was noted intraorally involving the left max...
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