A case of malignant pheochromocytoma treated with 131I-metaiodobenzylguanidine and alpha-methyl-p-tyrosine. 1990

Y Nakagami, and K Nomura, and K Kusakabe, and N Miko, and T Tsushima, and H Demura
Department of Medicine, Tokyo Women's Medical College, Japan.

A 47-year-old man had surgery for paraaortic paraganglioma in 1980 and 1985. In 1987, his urinary excretion of catecholamines and metabolites was extremely high. Scintigraphy with 131I-metaiodobenzylguanidine (MIBG) showed multiple bone and liver metastases. He was treated twice with infusions of 3.7 GBq of 131I-MIBG. After the first treatment, he had transient hypertension and pain in the back and right leg. Subsequent 131I-MIBG scintigraphy showed that the number of metastatic tumors had decreased. The second treatment was less effective. Excess catecholamines were treated with alpha-methyl-p-tyrosine (MPT), a catecholamine synthesis inhibitor, at doses between 250 and 2000 mg/day, which significantly decreased urinary NE excretion. This is the first case treated with 131I-MIBG in Japan.

UI MeSH Term Description Entries
D007457 Iodine Radioisotopes Unstable isotopes of iodine that decay or disintegrate emitting radiation. I atoms with atomic weights 117-139, except I 127, are radioactive iodine isotopes. Radioisotopes, Iodine
D007462 Iodobenzenes Any derivative of BENZENE that contains IODINE.
D008297 Male Males
D008676 Metanephrine Product of epinephrine O-methylation. It is a commonly occurring, pharmacologically and physiologically inactive metabolite of epinephrine. Metadrenaline
D008781 Methyltyrosines A group of compounds that are methyl derivatives of the amino acid TYROSINE.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009638 Norepinephrine Precursor of epinephrine that is secreted by the ADRENAL MEDULLA and is a widespread central and autonomic neurotransmitter. Norepinephrine is the principal transmitter of most postganglionic sympathetic fibers, and of the diffuse projection system in the brain that arises from the LOCUS CERULEUS. It is also found in plants and is used pharmacologically as a sympathomimetic. Levarterenol,Levonorepinephrine,Noradrenaline,Arterenol,Levonor,Levophed,Levophed Bitartrate,Noradrenaline Bitartrate,Noradrénaline tartrate renaudin,Norepinephrin d-Tartrate (1:1),Norepinephrine Bitartrate,Norepinephrine Hydrochloride,Norepinephrine Hydrochloride, (+)-Isomer,Norepinephrine Hydrochloride, (+,-)-Isomer,Norepinephrine d-Tartrate (1:1),Norepinephrine l-Tartrate (1:1),Norepinephrine l-Tartrate (1:1), (+,-)-Isomer,Norepinephrine l-Tartrate (1:1), Monohydrate,Norepinephrine l-Tartrate (1:1), Monohydrate, (+)-Isomer,Norepinephrine l-Tartrate (1:2),Norepinephrine l-Tartrate, (+)-Isomer,Norepinephrine, (+)-Isomer,Norepinephrine, (+,-)-Isomer
D009647 Normetanephrine A methylated metabolite of norepinephrine that is excreted in the urine and found in certain tissues. It is a marker for tumors. 3-Methoxynoradrenaline,Normetadrenaline,3 Methoxynoradrenaline
D010673 Pheochromocytoma A usually benign, well-encapsulated, lobular, vascular tumor of chromaffin tissue of the ADRENAL MEDULLA or sympathetic paraganglia. The cardinal symptom, reflecting the increased secretion of EPINEPHRINE and NOREPINEPHRINE, is HYPERTENSION, which may be persistent or intermittent. During severe attacks, there may be HEADACHE; SWEATING, palpitation, apprehension, TREMOR; PALLOR or FLUSHING of the face, NAUSEA and VOMITING, pain in the CHEST and ABDOMEN, and paresthesias of the extremities. The incidence of malignancy is as low as 5% but the pathologic distinction between benign and malignant pheochromocytomas is not clear. (Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1298) Pheochromocytoma, Extra-Adrenal,Extra-Adrenal Pheochromocytoma,Extra-Adrenal Pheochromocytomas,Pheochromocytoma, Extra Adrenal,Pheochromocytomas,Pheochromocytomas, Extra-Adrenal
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide

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