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A friendly benign, green, rapid and facile strategy for synthesis a series of arylquinoxalines was achieved by condensation of aromatic 1,2-diamines with arylglyoxals under clay-catalyzed as an inexpensive and eco-friendly catalyst using grindstone chemistry. Significant decreases in reaction times and high yields have been observed by this green chemistry approach in comparison with previously...

A Critical Analysis of Iranian Training Programs forTechno-Vocational Teachers across Time   A. A. Khallaaghi, Ph.D.* A. Navidi, Ph.D.**   The Iranian educational system has been facing, not only a shortage of techno-vocational teachers across all such schools and over the past one hundred years, but inadequacies in the qualities of those who have served in this sector. An analysis of th...

We consider the problem of identifying a central subgraph of a given simple connected graph. The case where the subgraph comprises a discrete set of vertices is well known. However, the concept of eccentricity can be extended to connected subgraphs such as: paths, trees and cycles. Methods have been reported which deal with the requirement that the subgraph is a path or a constrained tree. We e...

Anti-tuberculosis medications can cause various side effects, including drug rash. When a patient on anti-tuberculosis treatment (ATT) develops rash, we usually stop all medicines, rechallenge the patient with medications individually, and find the offending agent. It should be mentioned that drug rash can be also a manifestation of other diseases. Herein, we report a case of tuberculosis who d...

Myiasis is an infestation of tissues with larval stage of dipterous flies.  This condition most often affects the skin and may also occur in certain body cavities.  It is mainly seen in the tropics, though it may also be rarely encountered in non-tropical regions.  Herein, we present a case of cutaneous furuncular myiasis in an Iranian male who had travelled to Africa and his condition was fina...

Intraventricular tuberculoma (IVT) is extremely rare, CT and MRI patterns have been only sparsely described.  Herein, a case of intraventricular tuberculoma in a 40 year-old woman is reported.  At admission, the patient displayed malaise and was confused and deteriorated suddenly.  Brain CT and MRI findings were very similar to intraventricular meningioma.  The patient underwent surgery and tub...

Congenital cystic lesions of the pancreas are rare findings. Furthermore, dermoid cyst of the pancreas is exceptionally uncommon. A review of the world literature showed that only 18 documented cases of dermoid cyst of the pancreas were reported so far. The pre-operative evaluation of this lesion is rather questionable, with definitive diagnosis taking place intra-operatively. Herein, we presen...

Hydatid cysts are known to occur in most organs especially in the endemic areas. However, its occurrence in uterus is extremely rare and it mostly occurs as a secondary involvement. Herein we reported on a 25-year-old woman with primary involvement of the uterus and left fallopian tube. The patient presented with a colicky abdominal pattern and fever and was admitted to the Emergency Ward.