An Alaska Native Corporation or ANC means any Regional Corporation, Village Corporation, Urban Corporation, or Group Corporation organized under the laws of the State of Alaska in. accordance with the Alaska Native Claims Settlement Act, as amended (43 U.S.C. 1601, et seq.)
The tibia and fibula are the most common locations. The epicenter is cortical. The appearance consists of diffuse, mature cortical thickening. Severe venous insufficiency or venous ectasia can result in tibial or fibular cortical thickening secondary to mature periosteal bone formation (Fig 27).Venous stasis is probably the most common cause of diffuse cortical thickening in the tibia.tress fracture occurs at all ages, and there is no sex predilection. The location is diaphyseal in the tibia, and the epicenter is eccentric. The appearance consists of smooth cortical thickening, sometimes associated with lucent foci.
Mucoperiosteal thickening is a finding that's common in sinus x-rays or CT. It means the the tissue around the bone surrounding the sinuses is thick.ucoperiosteal thickening of the maxillary sinus is a disease of  the sinuses. It is caused by a build up of secretions and is  usually diagnosed by carrying out a nasal end â¦ oscopy. 1 person found this useful.