Marsupialization before enucleation as a treatment strategy for a large calcifying odontogenic cyst: Case report.

Introduction: Odontogenic pathological lesions can generally be divided into cysts and tumors. Calcifying odontogenic cyst (COC) is a non-aggressive odontogenic cyst, however, in a few occasions, COC can show excessive growth and destruction. This study describes an uncommon aggressive presentation of a large COC and discusses the treatment strategies used to achieve a favorable result.

Comparison of grafts for anatomical reconstruction of the ACL: patellar versus semitendinosus/gracilis.

Objective: To compare the functional results from surgical treatment for anatomical reconstruction of the anterior cruciate ligament (ACL) with a single band, using two types of autologous grafts.

Methods: Twenty-seven patients who underwent anatomical reconstruction of the ACL by means of the Chambat technique were evaluated prospectively. They were divided into two groups: A, with 14 patients, using grafts from flexor tendons; and B, with 13 patients, using grafts from the patellar tendon.

Treatment of two-part fractures of the surgical neck of the humerus using a locked metaphyseal intramedullary nail proximally with angular stability.

Objectives: To evaluate the functional results from patients with surgical neck fractures treated with a locked metaphyseal intramedullary nail and angular stability.

Methods: Twenty-two patients between the ages of 21 and 69 years were evaluated prospectively between January 2010 and January 2011. Their time taken for consolidation, age, sex, complications and functional results were correlated using the modified protocol of the University of California at Los Angeles (UCLA).

Evaluation of the reproducibility of the Tronzo classification for intertrochanteric fractures of the femur.

Objective: To evaluate the inter-observer reproducibility of the Tronzo classification for transtrochanteric fractures using the kappa concordance coefficient (κ).

Methods: Twenty radiographic images in anteroposterior view on hips with transtrochanteric fractures of the femur were used. These were classified by 12 observers using the Tronzo method.

Interlocking screws placed with freehand technique and uni-planar image intensification: the "dip-stick" technique.

Objective: To report our experience with a novel alternative method of freehand interlocking of intramedullary nails. This method requires the use of only anterior-posterior image intensification and an intramedullary guide wire to verify screw placement. Our results are compared with historical results in the literature.

Facial nerve paralysis following mandibular trauma: a case report.

A strong posteriorly directed force applied to the mandible resulting in fracture, can also displace the mandibular condyle towards the external auditory canal or superiorly against the mandibular fossa, causing its penetration into the middle cranial fossa or even the fracture of the temporal bone. We report the case of a 30-year-old male patient victim of a bicycle accident that developed facial expression muscles paralysis on the left side soon after the trauma. On physical examination he presented left side postauricular ecchymosis, diminished muscular tonus of the left mouth angle and difficulty to close the left eye, he did not present clinical signs of facial fractures.