1. Embryomas may be benign or malignant, and include neuroBlastomas and Wilms tumors.

2. Neuroblastomas produce chemicals called vanillylmandelic and homovanillic acid which are excreted in the urine and permit early detection of the tumour.(139) Some neuroblastomas in infants disappear spontaneously, even those that are widespread.

3. Clinically, the measurement of circulating Catecholamines is valuable in the diagnosis of catecholamine secreting tumors associated chiefly with hypertension (pheochromocytomas, neuroblastomas and …

4. Clinically, the measurement of circulating Catecholamines is valuable in the diagnosis of catecholamine secreting tumors associated chiefly with hypertension (pheochromocytomas, neuroblastomas and …