• Shannon N Acker, Jacqueline Linton, Gee Mei Tan, Timothy P Garrington, Jennifer Bruny, Joanne M Hilden, Lindsey M Hoffman, and David A Partrick.
• Department of Pediatric Surgery, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, CO USA. Electronic address: Shannon.acker@ucdenver.edu.
• J. Pediatr. Surg. 2015 May 1; 50 (5): 875-8.

PurposeAnterior mediastinal masses (AMM) pose a diagnostic challenge to surgeons, oncologists, anesthesiologists, intensivists, and interventional radiologists as induction of general anesthesia can cause airway obstruction and cardiovascular collapse. We hypothesized that in the majority of patients, diagnosis can be obtained through biopsy of extrathoracic tissue.MethodsWe performed a retrospective review of all patients in the solid tumor oncology clinic with a diagnosis of AMM between 2002 and 2012 including preoperative evaluation and management prior to obtaining a tissue diagnosis, clinical course and complications.ResultsWe identified 69 patients with AMM (mean age 12.2±4.4years, 64% male) secondary to Hodgkin lymphoma (34), Non-Hodgkin lymphoma (26), and other diagnoses (9). The majority of patients (56, 81.2%) underwent biopsy of tissue outside of the mediastinal mass. Local anesthesia with sedation was used for successful biopsy in 21 (30%) patients. Four (5.8%) required repeat biopsy due to inadequate sample obtained at initial procedure. Three (4.4%) suffered respiratory complications with no fatalities or severe complications.ConclusionsOur data demonstrate that in the majority of children with AMM, tissue biopsy can be successfully obtained from tissue outside of the mass itself with minimal complications and highlight the importance of multidisciplinary preoperative planning to minimize anesthetic risks.Copyright © 2015 Elsevier Inc. All rights reserved.

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