Cerebellar metastasis of papillary thyroid carcinoma detected with somatostatin receptor scintigraphy. 2018

Rafał Czepczyński, and Anna Wyszomirska, and Maria Gryczyńska, and Ewelina Szczepanek-Parulska, and Marek Ruchała

BACKGROUND Distant metastases of papillary thyroid carcinoma (PTC) may lack the ability to concentrate radioiodine. In such cases, positive somatostatin receptor scintigraphy might be useful in demonstrating the expression of somatostatin receptors that are potential therapeutic targets. To date, only a few cerebellar metastases from PTC have been reported in the literature. METHODS We present an 82-year-old female, in whom an asymptomatic cerebellar metastasis from PTC was diagnosed by means of Tc-99m-EDDA/HYNIC-TOC scintigraphy four years after the initial diagnosis. She was previously treated with total thyroidectomy and regional lymph node dissection, followed by three cycles of radioiodine therapy. Despite persistently elevated thyroglobulin, no specific radioiodine accumulation was found in the whole body post-treatment scan. Tc-99m-EDDA/HYNIC-TOC scintiscan revealed foci of increased tracer uptake in the lungs, cervical lymph nodes, and a single focus in the head. Thus, therapy with octreotide LAR was initiated. The patient died four months later due to disseminated PTC. CONCLUSIONS In this paper, a patient with asymptomatic previously unknown non-iodine avid cerebellar metastasis of PTC diagnosed by means of scintigraphy using somatostatin analogue Tc-99m-EDDA/HYNIC-TOC is reported. CONCLUSIONS Somatostatin receptor scintigraphy might be useful in the visualisation of non-iodine avid PTC metastases and demonstrat-ing the expression of somatostatin receptors that are potential therapeutic targets.

UI MeSH Term Description Entries
D008297 Male Males
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
D002291 Carcinoma, Papillary A malignant neoplasm characterized by the formation of numerous, irregular, finger-like projections of fibrous stroma that is covered with a surface layer of neoplastic epithelial cells. (Stedman, 25th ed) Carcinomas, Papillary,Papillary Carcinoma,Papillary Carcinomas
D002528 Cerebellar Neoplasms Primary or metastatic neoplasms of the CEREBELLUM. Tumors in this location frequently present with ATAXIA or signs of INTRACRANIAL HYPERTENSION due to obstruction of the fourth ventricle. Common primary cerebellar tumors include fibrillary ASTROCYTOMA and cerebellar HEMANGIOBLASTOMA. The cerebellum is a relatively common site for tumor metastases from the lung, breast, and other distant organs. (From Okazaki & Scheithauer, Atlas of Neuropathology, 1988, p86 and p141) Benign Cerebellar Neoplasms,Cerebellar Cancer,Malignant Cerebellar Neoplasms,Cerebellar Neoplasms, Benign,Cerebellar Neoplasms, Malignant,Cerebellar Neoplasms, Primary,Cerebellar Tumors,Neoplasms, Cerebellar,Neoplasms, Cerebellar, Benign,Neoplasms, Cerebellar, Malignant,Neoplasms, Cerebellar, Primary,Primary Neoplasms, Cerebellum,Benign Cerebellar Neoplasm,Cancer, Cerebellar,Cerebellar Cancers,Cerebellar Neoplasm,Cerebellar Neoplasm, Benign,Cerebellar Neoplasm, Malignant,Cerebellar Neoplasm, Primary,Cerebellar Tumor,Cerebellum Primary Neoplasm,Cerebellum Primary Neoplasms,Malignant Cerebellar Neoplasm,Neoplasm, Benign Cerebellar,Neoplasm, Cerebellar,Neoplasm, Cerebellum Primary,Neoplasm, Malignant Cerebellar,Primary Cerebellar Neoplasm,Primary Cerebellar Neoplasms,Primary Neoplasm, Cerebellum,Tumor, Cerebellar
D004492 Edetic Acid A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. EDTA,Edathamil,Edetates,Ethylenediaminetetraacetic Acid,Tetracemate,Calcium Disodium Edetate,Calcium Disodium Versenate,Calcium Tetacine,Chelaton 3,Chromium EDTA,Copper EDTA,Coprin,Dicobalt EDTA,Disodium Calcitetracemate,Disodium EDTA,Disodium Ethylene Dinitrilotetraacetate,Distannous EDTA,Edetate Disodium Calcium,Edetic Acid, Calcium Salt,Edetic Acid, Calcium, Sodium Salt,Edetic Acid, Chromium Salt,Edetic Acid, Dipotassium Salt,Edetic Acid, Disodium Salt,Edetic Acid, Disodium Salt, Dihydrate,Edetic Acid, Disodium, Magnesium Salt,Edetic Acid, Disodium, Monopotassium Salt,Edetic Acid, Magnesium Salt,Edetic Acid, Monopotassium Salt,Edetic Acid, Monosodium Salt,Edetic Acid, Potassium Salt,Edetic Acid, Sodium Salt,Ethylene Dinitrilotetraacetate,Ethylenedinitrilotetraacetic Acid,Gallium EDTA,Magnesium Disodium EDTA,N,N'-1,2-Ethanediylbis(N-(carboxymethyl)glycine),Potassium EDTA,Stannous EDTA,Versenate,Versene,Acid, Edetic,Acid, Ethylenediaminetetraacetic,Acid, Ethylenedinitrilotetraacetic,Calcitetracemate, Disodium,Dinitrilotetraacetate, Disodium Ethylene,Dinitrilotetraacetate, Ethylene,Disodium Versenate, Calcium,EDTA, Chromium,EDTA, Copper,EDTA, Dicobalt,EDTA, Disodium,EDTA, Distannous,EDTA, Gallium,EDTA, Magnesium Disodium,EDTA, Potassium,EDTA, Stannous,Edetate, Calcium Disodium,Ethylene Dinitrilotetraacetate, Disodium,Tetacine, Calcium,Versenate, Calcium Disodium
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077273 Thyroid Cancer, Papillary An ADENOCARCINOMA that originates from follicular cells of the THYROID GLAND and accounts for the majority of THYROID CANCER cases. Cells exhibit enlarged, oval, or elongated morphologies with clear, round, nuclei. Fusions of RET, NTRK1, TPM3, and PCM1 genes are associated with this cancer. Familial Nonmedullary Thyroid Cancer,Nonmedullary Thyroid Carcinoma,Papillary Carcinoma Of Thyroid,Papillary Thyroid Carcinoma,Thyroid Carcinoma, Papillary,Cancer, Papillary Thyroid,Cancers, Papillary Thyroid,Carcinoma, Nonmedullary Thyroid,Carcinoma, Papillary Thyroid,Carcinomas, Nonmedullary Thyroid,Carcinomas, Papillary Thyroid,Nonmedullary Thyroid Carcinomas,Papillary Thyroid Cancer,Papillary Thyroid Cancers,Papillary Thyroid Carcinomas,Thyroid Cancers, Papillary,Thyroid Carcinoma, Nonmedullary,Thyroid Carcinomas, Nonmedullary,Thyroid Carcinomas, Papillary
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old
D013667 Technetium The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m Technetium 99m,99m, Technetium
D013964 Thyroid Neoplasms Tumors or cancer of the THYROID GLAND. Cancer of Thyroid,Thyroid Cancer,Cancer of the Thyroid,Neoplasms, Thyroid,Thyroid Adenoma,Thyroid Carcinoma,Adenoma, Thyroid,Adenomas, Thyroid,Cancer, Thyroid,Cancers, Thyroid,Carcinoma, Thyroid,Carcinomas, Thyroid,Neoplasm, Thyroid,Thyroid Adenomas,Thyroid Cancers,Thyroid Carcinomas,Thyroid Neoplasm

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