TY - BOOK AU - Osama Anwar Derias AU - Ahmad Amin Galal , AU - Ahmad Mahmoud Kholeif , TI - Recent advances in the management of avascular necrosis of talus bone / PY - 2011/// CY - Cairo : PB - Osama Anwar Derias , KW - AVN KW - CT KW - NECROSIS N1 - Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Orthopedic Surgery; Issued also as CD N2 - Adequate knowledge of the etiology the extent of the disease and the degree of patient symptoms are required to determine optimal treatment . Talar osteonecrosis occurs when the vascular supply (extra - osseous and intra - osseous vessels ) to the talus is interrupted and the bone is deprived from its oxygen supply UR - http://172.23.153.220/th.pdf ER -