Self-inserted urethrovesical foreign bodies are rare in children. A 7-year-old boy inserted a hairpin into the urethra seven days before admission, diagnosis that was made on basis of appearance blood urine, palpation base penis and two directional X-ray imaging. Cystourethroscopy suprapubic cystotomy were used to remove body.The presentation can vary widely, as type object inserted. Definitive...

2 Satoshi Awazu, Risa Araki, Toshihiko Awazu 3 4 Awazu Hospital, Nagasaki, Japan 5 6 Address correspondence to Satoshi Awazu, Awazu Hospital, Nagasaki 851-0251, Japan. Phone: 7 +81-95-826-9088. E-mail: [email protected]. 8 9 10 ABSTRACT 11 12 A previous study revealed loop formation of the colonoscope in the sigmoid colon in 13 79% of patients. Colonoscope looping in the sigmoid colon is ...

The number and the strength of acid sites in catalysts have paramount importance on their efficiency. In zeolites chemistry, increased content framework Al gives a higher strong sites. Their can be disadvantage catalytic reactions (e.g., methanol to olefins conversion) due undesired secondary coke formation. Here, Faujasite type zeolite with has been used for investigating role defects structur...