background: formaldehyde is extensively used for preservation of cadavers in departments of anatomy. however, it is a noxious chemical which may cause serious health problems. objective: to assess the effect of exposure of medical students to formaldehyde at the department of anatomy, niger delta university, nigeria. methods: in a questionnaire-based study, 93 second-year medical students were ...

acute aortic dissection (aad) is the most frequent catastrophic event of the aorta; it occurs nearly three times as frequently as the rupture of abdominal aortic aneurysm . sixty percent of dissection cases are classified as proximal or type a and 40% as distal or type b, according to the stanford classification. the most frequent causes of death in acute type b dissection are aortic rupture an...

immediate and late post operative complications or radical neck dissection were discussed. preventive measures and the treatment of each were mentioned briefly. our 10 years experience with complications or neck dissection in the cancer institute was presented.

Aortic dissection occurs when a tear develops in the wall of the aorta, which is rare in the young population. This fatal disorder is hard to diagnose, especially in young patients. We present the case of aortic dissection in a 15-year-old boy referred to the Emergency Department of Yazd University of Medical Sciences in November 2015. The patient presented to our department with sudden acute c...

Aortic coarctation is a rare but dangerous condition. Presence of aortic dissection in addition to coarctation is significantly rarer and more life-threatening. Here, we present a case of acute inferior MI due to aortic dissection complicating a native aortic coarctation. A 17-year-old boy was admitted to our emergency department due to severe chest pain and loss of consciousness. His ele...

introduction: aortic dissection is a rare condition in young women and usually related with congenital anomalies of aorta and connective tissue disorders. we reported a 34-year-old postpartum woman with aortic dissection. case presentation: the patient complained of respiratory distress and weakness with no abdominal pain or chest pain 20 days after delivery and had no history of hypertension d...

spontaneous coronary artery dissection is a rare cause of acute coronary syndrome and sudden cardiac death. we report coronary artery dissection in a 36-year-old woman with retrosternal chest pain 2 weeks after abortion. electrocardiography showed st elevation in leads v2-v4 and st depression in the inferior leads. lab data were normal. cardiac catheterization showed a suspicious thrombotic les...

dissection of the sinus of valsalva is a rare and life-threatening event. it often occurs during percutaneous coronary intervention in the right coronary artery (rca). dissection flap usually involves the rca and the right sinus of valsalva. here we report two extremely rare cases of spontaneous dissection limited to the non-coronary sinus of valsalva, causing severe aortic valve regurgitation:...

background: sentinel lymph node biopsy (slnb) has replaced axillary lymph node dissection (alnd) in early breast cancer patients as the first line surgical approach to axillary nodes. further dissection is performed only when sln is involved by tumor cells. however, in a significant proportion of patients, non-sentinel nodes are still not involved and axillary dissection has no additional thera...

background: time of day can affect the outcome of medical procedures and surgical operations. the current study was designed to assess whether time of day can influence the quality of breast cancer surgery or not. methods: patients who underwent breast cancer surgery and axillary lymph node dissection in tehran, iran between march 2012 and march 2013 were enrolled. surgeries were categorized in...