objective: The aim of this study is to evaluate the results of different modalities of treatment of neurovas-cular compression manifestations of thoracic outlet syndrome (TOS) .
Patients and methods: This pros­pective study included 50 patients with neuro and / or vascular compres­sion manifestations at thoracic outlet area. They were admitted to the Vas­cular Surgery Unit, Mansoura, Univer­sity Hospital, Mansoura, Egypt, during the period from January 2000 to May 2003. Patients were classified into two main groups. Group I (Neurogenic TOS, 35 patients with 40 limbs): included patients presenting mainly with "neurogenic manifesta­tions. Scaienectomy ± ex. rib excision
was done in 22 limbs and combined Scaienectomy + ex. rib in addition to 1St rib excision was done in 18 limb. Group IIA (arterial TOS, 9 patients with 10 limbs): This group included patients presenting mainly with arteri­al manifestations. They were subject­ed to surgical decompression, various methods of arterial reconstruction ± sympathectomy. Group IIB (venous TOS, 6 patients): This group included patients presenting mainly with arteri­al manifestations. They were subject­ed to surgical decompression, various methods of arterial reconstruction ± sympathectomy.