X-ray and CT findings of costal eosinophilic granuloma / 中华放射学杂志

Objective To study the X-ray and CT features of costal eosinophilic granuloma for a better understanding.Methods Eight patients with costal eosinophilic granuloma proved by surgery or biopsy were analyzed retrospectively.All patients had X-ray plain film, 6 patients had CT examination,including a case of enhanced CT scan.Results All 8 lesions were solitary.Six lesions were in the anterior rib and 2 in the posterior rib.On X-ray, all case showed single cavity and oval lesion with clear boundary.On CT images, 5 lesions demonstrated expansile destruction of bone with cortical bone thinning, and 3 were osteolystic destruction with soft tissue mass around.On the patient with enhanced CT scan, the lesions showed a moderate and uniform enhancement.Conclusion The X-ray and CT findings of costal eosinophilic granuloma are characteristic.

Isolation and Identification of Marine Actinomycete JMC06001 Exhibiting Strong Antibacterial Activity / 微生物学通报

One slightly halophilic marine actinomycete strain JMC 06001 was isolated from a saline mud sample collected from the Island Naozhou in the South China Sea,near Zhanjiang,a city of southern China. The fermentation broth of strain JMC 06001 strongly inhibited the growth of Staphylococcus aureaus,Sarcina lutea,Bacillus subtilis,Escherichia coli,Micrococcus luteus and Proteus vulgaris.The combination of morphology,physiological and biochemical characteristics,chemotaxonomic data and 16S rRNA gene sequence analysis supported the view that strain JMC 06001 belong to a known species of the genus Steptomyces, S.peucetius.The strain studied grown well on most media tested,with white aeriel hyphae and pale yellow to pale brown substance hyphae.Yellow diffusible pigments were produced on oatmeal agar(ISP 3), potato extract agar and glucose/asparagines agar,and pale brown to deep brown diffusible pigments were produced on yeast extract/malt extract agar(ISP 2),glycerol/asparagine agar(ISP5),peptone-yeast ext-Fe agar(ISP 6)and nutrient agar.Growth occurred at 4℃～40℃and pH 6.0～9.0,with optimum growth at 28℃and pH 7.0.The tolerant range of NaCl was 0～1.5 mol/L,with best growth occurring in media containing 0.2～0.5 mol/L NaC1.