Patterns of regional spread for esthesioneuroblastoma.

摘要: BACKGROUND AND PURPOSE: ENB is a rare malignant neoplasm that affects the anterior skull base. Disease stage significant predictor of survival, in particular presence or absence lymph node metastases. Multiple studies have identified cervical nodes as most frequent site spread; however, no attempted to characterize radiographic appearance metastatic identify primary nodal drainage for these tumors. MATERIALS METHODS: We retrospectively reviewed medical records and imaging examinations patients with pathologically proved diagnosis from single tertiary care institution 2004 2010. A head neck radiologist 9 years experience evaluating all metastases confirm findings. RESULTS: Spread was discovered 14/48 (29%). Of 14 patients, 5 (36%) were involvement at initial staging, while (64%) showed development disease on surveillance examinations. Level II frequently involved (13/14 cases). Levels I (57%) III (50%) RPNs (43%) also involved. Metastatic predominantly solid demonstrated marked contrast enhancement, often approaching degree enhancement nearby blood vessels. moderately highly FDG-avid. CONCLUSIONS: exhibits predictable pattern metastasis nodes, typically spreading first level RPNs. characteristic features can assist radiologists identification disease.