Foreign bodies in upper airway may have various presentations and be life threatening. Leeches can attach to upper airway and cause serious problems. Herein we report a 55-year-old man with hemoptysis due to attachment of leech and explain our technique for its removal.

Metastatic skin cancer is a rare complication of internal malignancies.  Patients who develop cutaneous metastases rarely present with a zosteriform distribution.  Herein, we describe a 65-year-old woman with a prior history of breast cancer in whom zosteriform metastases developed along her left T8-9 abdominal dermatomes.

acinetobacter lwoffii, an important nosocomial pathogen, is a gram-negative aerobic bacillus that is a component of the normal flora on the skin, oropharynx, and perineum of about 20-25% of healthy individuals. we herein present a case of a 66-year-old man with combined mitral and aortic valve endocarditis associated with multi-drug resistance acinetobacter lowffii bacteremia.

cor triatriatum is defined as a membrane within the left atrium, which might lead to restricted pulmonary venous return. diagnosis is usually achieved by echocardiography in early infancy. therapy of choice is the excision of the membrane. herein, successful correction of cor triatriatum in a 4-year-old girl is presented, and the clinical features, echocardiographic findings, and the surgical t...

priapism is a prolonged and usually painful erection which is not associated withthe sexual desire. ït is an uncommon urologic emergency with variety ofknown etiologies such as the use of psychotropic medications. priapism underconcurrent treatment with chlorpromazine and risperidone has notbeen reported so far. herein, a psychotic patient whodeveloped priapism during chlorpromazine and risperi...

takayasu's arteritis and crohn's disease co morbidity seems to be rare. to our knowledge, no patient with crohn - takayasu syndrome has been reported yet from our region. herein we present a 22 year old iranian woman previously diagnosed with crohn's disease with subsequent development of takayasu's arteritis.

design of crystal-like lattices can be achieved by using some net operations. hypothetical networks, thus obtained, can be characterized in their topology by various counting polynomials and topological indices derived from them. the networks herein presented are related to the dyck graph and described in terms of omega polynomial and piv polynomials.

this review reports recent advances in the field of polymer–layered silicate nano composites. thesematerials have attracted both academic and industrial attention because they exhibit dramaticimprovement in properties at very low filler contents. herein, the structure, preparation andproperties of polymer–layered silicate nanocomposites are discussed in general, and finally the effectof clay na...

Coronary aneurysms in adults are rare clinical entities. Herein, we presented a 54-year-old man who was admitted with an acute extensive anterior myocardial infarction. The emergency coronary angiography revealed an isolated large aneurysm at the proximal segment of the left anterior descending coronary artery. The patient was successfully treated with a graft-coated stent