Hypercalcemia in malignant paraganglioma due to parathyroid hormone-related protein. 1998

K Loh, and K K Matthay, and M Hoover, and F A Bracho, and A B Cortez, and F A Conte, and C T Albanese, and T R Miller, and D C Price, and A J Flores, and A Kaviani, and D Shoback
Division of Endocrinology and Metabolism, University of California, San Francisco, Calif., USA. keh_chuan_loh@notes.ttsh.gov.sg

A 15-year-old boy had hypercalcemia in association with malignant retroperitoneal paraganglioma. He had suppressed circulating levels of intact parathyroid hormone, whereas parathyroid hormone-related protein (PTHrP) immunoreactivity was elevated in plasma. Both the serum 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D levels were normal. Preoperatively the patient required control of hypercalcemia with intravenous pamidronate therapy. His circulating calcium and PTHrP concentrations became normal after a successful surgical resection of the primary retroperitoneal tumor. To our knowledge, this is the first reported case of elevated PtHrP levels in a patient with paraganglioma which resolved postoperatively.

UI MeSH Term Description Entries
D008297 Male Males
D010235 Paraganglioma A neural crest tumor usually derived from the chromoreceptor tissue of a paraganglion, such as the carotid body, or medulla of the adrenal gland (usually called a chromaffinoma or pheochromocytoma). It is more common in women than in men. (Stedman, 25th ed; from Segen, Dictionary of Modern Medicine, 1992) Paraganglioma, Gangliocytic,Paragangliomata,Gangliocytic Paraganglioma,Gangliocytic Paragangliomas,Paragangliomas,Paragangliomatas
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D004164 Diphosphonates Organic compounds which contain P-C-P bonds, where P stands for phosphonates or phosphonic acids. These compounds affect calcium metabolism. They inhibit ectopic calcification and slow down bone resorption and bone turnover. Technetium complexes of diphosphonates have been used successfully as bone scanning agents. Bisphosphonate,Bisphosphonates
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006934 Hypercalcemia Abnormally high level of calcium in the blood. Milk-Alkali Syndrome,Hypercalcemias,Milk Alkali Syndrome,Syndrome, Milk-Alkali
D000077268 Pamidronate An aminobisphosphonate that inhibits BONE RESORPTION and is used for the treatment of osteolytic lesions, bone pain, and severe HYPERCALCEMIA associated with malignancies. (3-Amino-1-hydroxypropylidene)-1,1-biphosphonate,1-Hydroxy-3-aminopropane-1,1-diphosphonic acid,AHPrBP,Amidronate,Amino-1-hydroxypropane-1,1-diphosphonate,Aminohydroxypropylidene Diphosphonate,Aminopropanehydroxydiphosphonate,Aredia,Pamidronate Calcium,Pamidronate Disodium,Pamidronate Monosodium,Pamidronic Acid,1 Hydroxy 3 aminopropane 1,1 diphosphonic acid,Amino 1 hydroxypropane 1,1 diphosphonate
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D012186 Retroperitoneal Neoplasms New abnormal growth of tissue in the RETROPERITONEAL SPACE. Neoplasm, Retroperitoneal,Neoplasms, Retroperitoneal,Retroperitoneal Neoplasm
D014057 Tomography, X-Ray Computed Tomography using x-ray transmission and a computer algorithm to reconstruct the image. CAT Scan, X-Ray,CT Scan, X-Ray,Cine-CT,Computerized Tomography, X-Ray,Electron Beam Computed Tomography,Tomodensitometry,Tomography, Transmission Computed,X-Ray Tomography, Computed,CAT Scan, X Ray,CT X Ray,Computed Tomography, X-Ray,Computed X Ray Tomography,Computerized Tomography, X Ray,Electron Beam Tomography,Tomography, X Ray Computed,Tomography, X-Ray Computer Assisted,Tomography, X-Ray Computerized,Tomography, X-Ray Computerized Axial,Tomography, Xray Computed,X Ray Computerized Tomography,X Ray Tomography, Computed,X-Ray Computer Assisted Tomography,X-Ray Computerized Axial Tomography,Beam Tomography, Electron,CAT Scans, X-Ray,CT Scan, X Ray,CT Scans, X-Ray,CT X Rays,Cine CT,Computed Tomography, Transmission,Computed Tomography, X Ray,Computed Tomography, Xray,Computed X-Ray Tomography,Scan, X-Ray CAT,Scan, X-Ray CT,Scans, X-Ray CAT,Scans, X-Ray CT,Tomographies, Computed X-Ray,Tomography, Computed X-Ray,Tomography, Electron Beam,Tomography, X Ray Computer Assisted,Tomography, X Ray Computerized,Tomography, X Ray Computerized Axial,Transmission Computed Tomography,X Ray Computer Assisted Tomography,X Ray Computerized Axial Tomography,X Ray, CT,X Rays, CT,X-Ray CAT Scan,X-Ray CAT Scans,X-Ray CT Scan,X-Ray CT Scans,X-Ray Computed Tomography,X-Ray Computerized Tomography,Xray Computed Tomography

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