Mukherjee, SGhosh, A KMullick, R N Basu2002-08-082009-05-302002-08-082009-05-302002-08-08Mukherjee S, Ghosh AK, Mullick RN. Left sided cervical and thoracic malignant extra-adrenal pheochromocytoma. Journal of the Association of Physicians of India. 2002 Aug; 50(): 1079-81http://imsear.searo.who.int/handle/123456789/86739Extra-adrenal Pheochromocytomas are rare entities. High index of suspicion among diastolic hypertensives followed by screening test for 24-hour urinary catecholamine level helps in diagnosis. 123I MIBG scintigraphy is specific for tumour localisation and surgical debulking of tumour or 131I MIBG therapy are alternative modes of treatment.eng3-Iodobenzylguanidine --diagnostic useAdultHumansIodine Radioisotopes --diagnostic useLymphatic MetastasisMalePheochromocytoma --radionuclide imagingThoracic Neoplasms --radionuclide imagingCase Reports