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Botulinum toxin A 단독및 Verapamil 또는 Lidocaine 병용투여후 가토상직근의 신경재생에 관한 연구
문남주,김재찬,신경환,구본술,송계용 중앙대학교 의과대학 의과학연구소 1991 中央醫大誌 Vol.16 No.2
The purpose of the present study was to observe the morphological changes of nerve following intramuscular injection of Botulinum toxin A (B.toxin A) alone or combined with verapamil or lidocaine at the neuromuscular junction. Thirty five rabbits were divided into five experimental groups : A ; saline, B; B.toxin A (2.5U), C; B, toxin A (2.5U) with lidocaine, D; B.toxin A (2.5U) with verapamil and E; B.toxin A (1.25U). Degree of ptosis was measured daily, and morphological change of superior rectus muscle was examined on 3 days, 1 week, 2 weeks, 3 weeks, 4 weeks, 6 weeks and 8 weeks after injection. Light and electron microscopic observation was performed following H & E, Bodian silver stain. was performed following H & E and Bodian silver stain. 1. Degree of ptosis was most severe in B.toxin A (2.5U) group followed by combined verapamil or lidocaine injected group (p<0.01). The degree of ptosis was more market in the 2.5U group of B,toxin A than the 1.25U group. 2. Structural changes of the nerve included hydropic degeneration of axoplasm in both myelinated and unmyelinated nerve fibers as well as Schwann cells after 3days. Hydropic degeneration of axoplasm, death of Schwann cells and splitting of myelin sheath were marked after 3weeks. 3. The degree of the degenerative changes were most extensive in B. toxin A (2.5U) group followed by combined verapamil or lidocaine injected group. The reparative process and early sprouting of tne nerve was noted after 6weeks in B. toxin A group and almost complete regeneration was noted after 8weeks in all groups. 4. The degree of morphologic changes was more marked in the 2.5U group of B. toxin A than 1, 25U group. 5. Muscular changes exhibited diffuse intracellular edema, atrophy, seperating myofilaments associated with focal lysis vacuolization. It was suggested that the effeots of Botulinum toxin A couid be modified by combined application of other drugs and different dosages of the B. toxin A in the clinical use.
Orbital Sarcoidosis Presenting as Diffuse Swelling of the Lower Eyelid
이정규,문남주 대한안과학회 2013 Korean Journal of Ophthalmology Vol.27 No.1
The author reports a case of orbital Sarcoidosis in a 70-year-old female that initially presented as diffuse swelling of the lower eyelid. The patient complained of painless swelling of the left lower lid without palpable mass, and a computerized tomography (CT) scan of the orbit was unremarkable. A serum angiotensin converting enzyme level was elevated, and hilar lymphadenopathy was noted on the chest CT. The patient underwent surgical debulking for histologic confirmation, which led to a final diagnosis of sarcoidosis involving the orbital fat. Unexplained chronic eyelid swelling without a mass should be considered a possible ophthalmic manifestation of orbital sarcoidosis.