Heterotopic neuroglial mass in the parapharyngeal space causing dysphagia in a 4 years old child: A case report.

Introduction: Neuroglial heterotopia represents a rare differential diagnosis for pediatric neck masses. Its occurrence in the parapharyngeal space is exceptionally uncommon, with fewer than 30 documented cases in the literature.

Case Report: This report details the case of a 4-year-old girl initially noted to have a mass in the right parotid area at birth with no symptoms.

Multi-Channel Bioimpedance System for Detecting Vascular Tone in Human Limbs: An Approach.

Vascular tone plays a vital role in regulating blood pressure and coronary circulation, and it determines the peripheral vascular resistance. Vascular tone is dually regulated by the perivascular nerves and the cells in the inside lining of blood vessels (endothelial cells). Only a few methods for measuring vascular tone are available.