[Giant mediastinal cystic lymphangioma: clinical case and review of the literature].

Benign cystic lymphangioma is a relatively rare tumor of the human body. It's more frequent in young patients. It is usually localized in the neck but may have mediastinal or intra-abdominal localization.

Risk factors for postthyroidectomy hypocalcemia.

Background: Hypocalcemia is a common complication of thyroidectomy. The aim of this study was to evaluate the incidence of hypocalcemia after thyroid operation and its relation to clinical, biologic, and surgical factors.

Study Design: A retrospective study of 265 patients who underwent unilateral (n = 50) or bilateral (n = 215) thyroidectomy between 1996 and 2000 was done to determine incidence and risk factors for hypocalcemia.