Jejunal adenocarcinoma: still an elusive diagnosis. Case report and review of the literature.

Tumours arising in the small bowel are rare, accounting for less then 2% of all gastrointestinal neoplasms. Adenocarcinoma accounts for 40% of small bowel malignancies. They are rarely considered as a differential diagnosis, and their discovery is usually greeted with surprise.

Subareolar injection may be more accurate than other techniques for sentinel lymph node biopsy in breast cancer.

Background: The aims of this study were to compare peritumoral injection of (99m)Tc-labeled albumin and subdermal injection of blue dye with subareolar (SA) injection of blue dye alone in terms of success of the sentinel lymph node identification rate, false negative (FN) rate, overall accuracy, and sensitivity of the two procedures.

Methods: From January 1999 to October 2002, 155 patients with localized breast cancer were treated. Patients were subdivided into two groups.