[Malignant pelvic neoplasias and their resection].

Introduction: Bone tumors of the pelvic area a challenge for the orthopedist surgeon. The pelvic ring has no true barriers to contain the growth of neoplasias and thus by the time patients present to us, their lesion is already quite large.

Objective: Describe the frequency of the bone tumors of the pelvis and their treatment.

[Experience in the use of central venous catheterization via subclavian puncture in a pediatric hospital].

Objective: To assess the frequency and type of complications during central venous catheter installation by subclavian puncture, and during its use in children admitted to an ICU.

Patients And Methods: Patients from one month to 15 years of age, admitted to the Intensive Care Unit of the Hospital de Pediatría Centro Médico Nacional, Siglo XXI, who underwent a percutaneous infraclavicular subclavian puncture for central venous catheter complications were included. Clinical features, diagnosis, complications and indications for the procedure were registered.