Objective To explore the diagnosis and treatment of altitude sickness combined with urinary retention. Methods 30 cases of altitude sickness combined with urinary retention were treated from April 16th to 26th,2010.They were all male,The average age of them was 24 years (range,19 -38).All were the first time entering the high altitude area (3600 -5000 m) from low altitude area (600 - 1800 m ).The urinary frequency of 25 patients reduced from 8 to 10 times/d to 2 to 4 times/d,the urine output reduced from the 1500- 2400 ml/d to 600- 800 ml/d; the other 5 patients had no urine in 12 -18 h,even had no sense to urinate.26 patients also combined with altitude pulmonary edema and 4 combined with altitude cerebral edema.30 patients had double renal columns enlarged,21 cases had urinary protein ( + ～ ++ ). Results 30 patients were exported urine 300 -600 ml within 10 min,leaded to urine 1800 -2300ml in 12 h,returned to normal voiding after catheter removal in 18 -24 h. After comprehensive treatment such as oxygen,dehydration,diuretic,sedative,antispasmodic and anti-infection,22 cases who with chest tightness,shortness of breath,dyspnea,hemoptysis foam sputum,headache,vomiting and other symptoms of jet-like improved apparently after hospital admission within 1 hour.Their heart rate downed from 90 - 145beats/min to 68 -92 beats/min,respiration from 28 -45 times/min to 18 - 28 times/min,oxygen saturation from 48％ - 84％ to 92％ - 100％ ; 8 cases who with shortness of breath,palpitation and headache improved not obviously.After the antihypertensive treatment,their blood pressure was still high (systolic blood pressure 150 - 180 mm Hg,diastolic blood pressure 90 -110 mm Hg),oxygen saturation between 78％ to 87％,so they were carried to rear area for further treatment.30 cases were all cured no death. Conclusions The high altitude urinary retention is reversible disease,which is often associated with high altitude pulmonary edema,altitude cerebral edema,acute subclinical renal dysfunction and gastrointestinal disorders.They are easily being induced by elements such as gastroenteritis,lung infection,tonsillitis,periodontitis,tiredness and so on; low atmospheric pressure,hypoxia and high altitude is the possible cause; the ratio of missed diagnosis is high; the treatment of oxygen and indwelling catheterization is better; The best method of prevention is to wear pressurized suits and adapt the environment in a ladder-step gradual way.

Objective To study the CT specialities of small lung cancer with the thin-section scan images by general CT machine.Methods Through the 3 mm-scan means in breathless condition,CT specialities of 36 cases of little lung carcinoma were analysed,which were scanned with CT before operation and proved by pathology.Results CT specialities of peripheral small lung cancer had lobular sign(91.6%);coarse spicules sign(77.8%);bubble-like lucency sign(50%);pleural retraction sign(88.9%);honeycomb sign(11.1%);cavity(2.7%);convergence sign of pulmonary vessels(66.7%),the radiative shadiness of pathological pleural side(11.1%).Conclusion The CT specialities are divided into prime and subaltern specialities in the diagnosis of peripheral small lung carinoma.The prime specialities have lobular sign,edge coarse spicules sign,bubble-like lucency sign,pleural retraction sign,convergence sign of pulmonary vessels,and the CT specialities are not agreeable with the small lung carcinoma of different tissue types.

Objective To evaluate the clinical characteristics and pathological features of Meckel's diverticulum(MD) in children.Methods 244 MD cases admitted between January 2010 and December 2014 were retropectively analyzed.Results In fifty patients,MD was an incidental finding at laparotomy or laparoscopy for unrelated entities.Among the remaining 194 symptomatic patients,there were 76 patients presenting GI bleeding,forty eight patients were identified with perforated Meckel's diverticulum,thirty six patients suffered from intestinal obstruction.34 patients had MD caused severe complications such as volvulus and intestinal necrosis,diverticular perforation and peritonitis.61 out of 76 GI bleeding patients underwent a 99mTc scan,and positive tracer was found in 42 patients.Among the 19 negative 99mTc scan patients,8 received capsule endoscopy and only 3 patients were suspected of diverticulum.242 patients underwent one stage resection of the diverticulum.Histology revealed ectopic gastric mucosa or ectopic pancreatic tissue in 128 patients.One patient died of volvulus and intestinal necrosis postoperatively,and two suffered from adhesive intestinal obstruction during one to five year's follow up.Conclusions It is necessary to maintain a high suspicion of MD in the pediatric age group with symptoms of abdominal pain,gastrointestinal hemorrhage or intestinal obstruction.Ectopic mucosa assumes the ultimate responsibility for major complications of MD.