Mucocele in the maxillary sinus involving the orbit: A report of 2 cases.

Mucocele of the paranasal sinuses is a benign, slow-growing, expansile lesion. Maxillary sinus mucoceles are usually associated with painless bulging of the cheek; however, orbital expansion is rarely observed. Maxillary sinus mucoceles can be classified as primary or secondary according to their etiology.

Long-term durability of the CLS femoral prosthesis in patients with osteonecrosis of the femoral head.

Ninety-five hips with cementless wedge-shaped tapered CLS stem were evaluated with a mean duration of 12.7 years (range, 10.7-17.