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  • Book
    Jeffrey S. Ross, Kevin R. Moore, Lubdha M. Shah, Bryson Borg, Julia Crim.
    Contents:
    Congenital
    Scoliosis
    Vertebral column, discs, and paraspinal muscle
    Cord, dura, and vessels
    Degenerative diseases
    Spondylolisthesis and spondylolysis
    Inflammatory, crystalline, and miscellaneous arthritides
    Infections
    Inflammatory and autoimmune disorders
    Neoplasms
    Nonneoplastic cysts and tumor mimics
    Vascular and systemic disorders
    Plexus and peripheral nerve lesions
    Postoperative imaging and complications
    Hardware
    Post-radiation and chemotherapy complications.
    Print Access Request
    Location
    Version
    Call Number
    Items
    Books: General Collection (Downstairs)
    2010
    RD768 .D535 2010
    1
  • Article
    Masuoka M, Shikata M, Fuziwara R, Nakayama R.
    Acta Endocrinol Suppl (Copenh). 1979;229:24-35.
    Using a simple steroid determination technique, in situ steroid absorption from a subcutaneously injected sesame oil solution in rats was pursued following the time-course changes in the steroid concentration. Based on the knowledge thus obtained, the anti-androgenic effect of a steroidal compound, TSAA-330, could be manifested in the subcutaneous route. (1) Anti-androgenic steroid TSAA-291 and its esters in the subcutaneously injected sesame oil solution were selectively absorbed into the general circulation at different rates according to their chemical nature and structures, while the oil itself remained at the injected site for a considerably long period. At the injected site where subcutaneous doses of steroids molar equivalent to 50 mg of TSAA-291 were administered in 5 ml/rat of sesame oil, TSAA-291 decreased to the level of 10% of the initial concentration on the 4th day. TSAA-328 decreased slowly to the 50% and 20% levels on the 7th and 21st day, respectively. TSAA-335 decreased more slowly to the 50% level on the 14th day. TSAA-330 decreased most slowly only to the 70% level on the 49th day. (2) A single subcutaneous administration of 200 mg of TSAA-330 suppressed the weight increase of the accessory sex organs caused by a single subcutaneous injection of testosterone caproate (10 mg) in the immature orchiectomized rat. The suppressive effect was obvious from 2 weeks after the administration, and seemed to last for more than two weeks. The levator ani weight was not affected by the administration of TSAA-330. (3) Dose-dependent inhibitions of the accessory sex organs were obtained three weeks after a single subcutaneous administration of 50 to 400 mg of TSAA-330 in the adult male rat. (4) Daily oral administrations of 50 mg of TSAA-291 or TSAA-330 to the adult male rat for 8 days resulted in depression of the accessory sex organs to almost the same extent obtained with either agent. One week after the last administration, however, the weight of the accessory sex organs of the TSAA-291-administered animals recovered to almost the comparable level with the control, whereas a significant after-effect of the inhibition was still evident in the TSAA-330-administered animals.
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