Page last updated: 2024-08-26

yttrium radioisotopes and Cancer of Pituitary

yttrium radioisotopes has been researched along with Cancer of Pituitary in 46 studies

Research

Studies (46)

Timeframe	Studies, this research(%)	All Research%
pre-1990	28 (60.87)	18.7374
1990's	9 (19.57)	18.2507
2000's	4 (8.70)	29.6817
2010's	5 (10.87)	24.3611
2020's	0 (0.00)	2.80

Authors

Authors	Studies
Baert, E; Caemaert, J; Hallaert, G; Okito, JP; Van Roost, D; Vanhauwaert, D	1
Julow, J	1
Bálint, K; Julow, J; Kolumbán, Z	1
Bečulić, H; Dizdarević, K; Hadžić, E	1
Julow, JV	1
Giovanelli, M; Losa, M; Mortini, P	1
FREY, E; MATTER, H; PESTALOZZI, D	1
FREY, E	1
Bálint, K; Hajda, M; Julow, J; Lányi, F; Nyáry, I; Szeifert, GT; Viola, Á	1
Bálint, K; Czirják, S; Julow, J; Sarker, MH; Sipos, L; Szeifert, GT	1
Backlund, EO; Bálint, K; Hajda, M; Julow, J; Lányi, F; Nyáry, I; Szeifert, GT	1
Bussolati, G; Gatti, G; Limone, P; Papotti, M; Riva, C	1
Bowley, NB; Ch'ng, JL; Joplin, GF; Jung, RT; Mashiter, K	1
Doyle, FH; Hall, R; Joplin, GF; Mashiter, K; Rosenstock, J	1
Hammer, J	1
Georgi, P; Penzholz, H; Scheer, KE; Schlegel, W; Strauss, L; Sturm, V	1
Quabbe, HJ	1
Clorius, JH; Georgi, P; Ostertag, H; Schlegel, W; Strauss, L; Sturm, V; van Kaick, G	1
Kirsch, CM; Lange, M; Oeckler, R; Steude, U	1
Huang, H; Kang, G; Li, S; Liu, Z; Tian, Z; Wang, Y; Xu, Y; Yu, X	1
Fabrizi, AP; Fioravanti, A; Frank, F; Frank, G	1
Liu, Z; Tian, Z; Wang, Y	1
Bingham, JB; Cox, TC; Jarosz, JM; Malcolm, PN	1
Blackburn, TP; Doughty, D; Plowman, PN	1
Banks, LM; Doyle, FH; Joplin, GF; Kelly, WF; Mashiter, K	1
Cassar, J; Doyle, FH; Joplin, GF; Lewis, PD; Mashiter, K; Noorden, S	1
Fehm, HL; Herfarth, C; Ozyol, MB; Petrykovski, Wv; Schmidt, K; Teller, W; Voigt, KH	1
Halves, E	1
Banks, LM; Doyle, FH; Gordon, H; Joplin, GF; Kelly, WF; Mashiter, K	2
Lee, KJ	1
Joplin, GF; Kelly, W	1
Child, DF; Gordon, H; Joplin, GF; Mashiter, K	1
Blaauw, G; Breeman, WA; Rahmy, A; Van den Berge, JH; Wijngaarde, R	1
Bálint, K; Julow, J; Lányi, F; Pásztor, E; Slowik, F; Szeifert, GT	1
Lanfermann, H; Thun, F	1
Hajda, M; Julow, J; Lányi, F; Pásztor, E; Simkovits, M; Szeifert, G	1
Axelsson, B; Backlund, EO; Bergstrand, CG; Eriksson, AL; Norén, G; Rähn, T; Ribbesjö, E; Sääf, M; Schnell, PO; Tallstedt, L	1
Backlund, EO; Bergstrand, CG; Norén, G; Rähn, T; Sääf, M; Tallstedt, L; Thorén, M	1
Belov, SA; Krymskiĭ, VA; Liass, FM; Minakova, EI; Raevskaia, SA	1
Joplin, GF; O'Donnell, CJ; Yong, K	1
Burrin, JM; Donckier, J; Joplin, GF; Williams, G	1
Gamroth, A; Rosenthal, R; Sturm, V; van Kaick, G; Wowra, B	1
Askienazy, S; Betti, O; Blond, S; Chodkiewicz, JP; Lajat, Y; Munari, C; Musolino, A; Schaub, C	1
Arany, I; Hajda, M; Julow, J; Lányi, F; Pásztor, E; Simkovics, M; Tóth, S	1

Reviews

5 review(s) available for yttrium radioisotopes and Cancer of Pituitary

Article	Year
Treatment of cystic craniopharyngioma by endocavitary instillation of yttrium⁹⁰ radioisotope--still a valuable treatment option. Journal of neurological surgery. Part A, Central European neurosurgery, 2013, Volume: 74, Issue:5 Topics: Adolescent; Adult; Aged; Algorithms; Beta Particles; Child; Craniopharyngioma; Female; Follow-Up Studies; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Pituitary Neoplasms; Stereotaxic Techniques; Tomography, X-Ray Computed; Treatment Outcome; Vision Disorders; Young Adult; Yttrium Radioisotopes	2013
Image fusion guided brachytherapy of brain tumors. Ideggyogyaszati szemle, 2010, May-30, Volume: 63, Issue:5-6 Topics: Brachytherapy; Brain Neoplasms; Brain Stem Neoplasms; Craniopharyngioma; Cysts; Female; Glioma; Humans; Image Processing, Computer-Assisted; Iodine Radioisotopes; Male; Meningioma; Pinealoma; Pituitary Neoplasms; Radiosurgery; Radiotherapy Planning, Computer-Assisted; Yttrium Radioisotopes	2010
[The role of somatostatin analogues in the treatment of hypophyseal adenomas]. Minerva endocrinologica, 2003, Volume: 28, Issue:1 Topics: Acromegaly; Adenoma; Adrenocorticotropic Hormone; Antineoplastic Agents, Hormonal; Combined Modality Therapy; Cushing Syndrome; Forecasting; Human Growth Hormone; Humans; Insulin-Like Growth Factor I; Octreotide; Peptides, Cyclic; Pituitary Neoplasms; Prolactinoma; Radiopharmaceuticals; Receptors, Somatostatin; Somatostatin; Thyrotropin; Treatment Outcome; Yttrium Radioisotopes	2003
Intracavitary brachytherapy of cystic craniopharyngiomas. Journal of neurosurgery, 1992, Volume: 77, Issue:4 Topics: Adolescent; Adult; Brachytherapy; Child; Child, Preschool; Craniopharyngioma; Endocrine System Diseases; Eye Diseases; Female; Follow-Up Studies; Humans; Male; Middle Aged; Pituitary Neoplasms; Quality of Life; Survival Rate; Tomography, X-Ray Computed; Treatment Outcome; Visual Acuity; Visual Fields; Yttrium Radioisotopes	1992
[Intracystic instillation of yttrium 90 silicate colloid in cystic craniopharyngioma]. Orvosi hetilap, 1989, Jun-25, Volume: 130, Issue:26 Topics: Administration, Topical; Adolescent; Adult; Child; Child, Preschool; Colloids; Craniopharyngioma; Cysts; Humans; Infant; Pituitary Neoplasms; Tomography, X-Ray Computed; Yttrium Radioisotopes	1989

Other Studies

41 other study(ies) available for yttrium radioisotopes and Cancer of Pituitary

Article	Year
[Shrinkage dynamics of cystic craniopharyngeomas after Yttrium-90 colloid brachytherapy]. Ideggyogyaszati szemle, 2011, Jan-30, Volume: 64, Issue:1-2 Topics: Brachytherapy; Colloids; Craniopharyngioma; Follow-Up Studies; Humans; Magnetic Resonance Imaging; Pituitary Neoplasms; Tomography, X-Ray Computed; Treatment Outcome; Yttrium Radioisotopes	2011
Giant craniopharyngioma: 9-year follow up after stereotactic Yttrium -90 instillation and microsurgical resection. Medicinski glasnik : official publication of the Medical Association of Zenica-Doboj Canton, Bosnia and Herzegovina, 2012, Volume: 9, Issue:2 Topics: Adolescent; Child; Craniopharyngioma; Follow-Up Studies; Humans; Male; Microsurgery; Pituitary Neoplasms; Radiosurgery; Yttrium Radioisotopes	2012
Intracystic irradiation for craniopharyngiomas. Pituitary, 2013, Volume: 16, Issue:1 Topics: Adolescent; Brachytherapy; Child; Child, Preschool; Craniopharyngioma; Female; Humans; Male; Pituitary Neoplasms; Treatment Outcome; Yttrium Radioisotopes	2013
[Transnasal implantation of a predominantly suprasellar hypophysial tumor with yttrium 90 rods]. Strahlentherapie, 1961, Volume: 114 Topics: Humans; Neoplasms; Pituitary Gland; Pituitary Neoplasms; Radioactivity; Skull; Yttrium; Yttrium Radioisotopes	1961
[Indications, technic and limitations of the transnasal implantation of radioisotopes in a pituitary tumor]. Radiologia clinica, 1960, Volume: 29 Topics: Humans; Neoplasms; Pituitary Gland; Pituitary Neoplasms; Radioactivity; Radioisotopes; Yttrium; Yttrium Radioisotopes	1960
Stereotactic intracavitary irradiation of cystic craniopharyngiomas with yttrium-90 isotope. Progress in neurological surgery, 2007, Volume: 20 Topics: Craniopharyngioma; Cysts; Humans; Pituitary Neoplasms; Radiosurgery; Radiotherapy Dosage; Vision Disorders; Visual Acuity; Visual Fields; Yttrium Radioisotopes	2007
Pathological findings in cystic craniopharyngiomas after stereotactic intracavitary irradiation with yttrium-90 isotope. Progress in neurological surgery, 2007, Volume: 20 Topics: Biopsy; Craniopharyngioma; Cysts; Pituitary Neoplasms; Radiosurgery; Treatment Outcome; Yttrium Radioisotopes	2007
Long-term results and late complications after intracavitary yttrium-90 colloid irradiation of recurrent cystic craniopharyngiomas. Neurosurgery, 2007, Volume: 61, Issue:2 Topics: Adolescent; Adult; Aged; Brachytherapy; Child; Child, Preschool; Colloids; Combined Modality Therapy; Craniopharyngioma; Cysts; Female; Humans; Kaplan-Meier Estimate; Male; Middle Aged; Pituitary Neoplasms; Radiosurgery; Radiotherapy Dosage; Recurrence; Tomography, X-Ray Computed; Yttrium Radioisotopes	2007
Malignant evolution of an ACTH-producing pituitary tumor treated with intrasellar implantation of 90Y. Case report and review of the literature. Applied pathology, 1984, Volume: 2, Issue:1 Topics: Adrenalectomy; Adrenocorticotropic Hormone; Adult; Brachytherapy; Combined Modality Therapy; Cushing Syndrome; Female; Humans; Microscopy, Electron; Nelson Syndrome; Neoplasms, Radiation-Induced; Pituitary Gland; Pituitary Neoplasms; Tomography, X-Ray Computed; Yttrium Radioisotopes	1984
Does bromocriptine jeopardise the response to later yttrium-90 irradiation for macroprolactinemias? Lancet (London, England), 1982, Nov-13, Volume: 2, Issue:8307 Topics: Brachytherapy; Bromocriptine; Pituitary Neoplasms; Prolactin; Yttrium Radioisotopes	1982
Childhood acromegaly successfully treated with interstitial irradiation using yttrium-90. Acta paediatrica Scandinavica, 1982, Volume: 71, Issue:5 Topics: Adenoma, Acidophil; Adolescent; Body Height; Female; Humans; Pituitary Irradiation; Pituitary Neoplasms; Prolactin; Yttrium Radioisotopes	1982
[Interstitial radiotherapy]. Wiener medizinische Wochenschrift (1946), 1983, Jun-30, Volume: 133, Issue:12 Topics: Brachytherapy; Breast Neoplasms; Cobalt Radioisotopes; Gold Radioisotopes; Head and Neck Neoplasms; Humans; Iodine Radioisotopes; Iridium; Male; Mouth Neoplasms; Pituitary Neoplasms; Prostatic Neoplasms; Radioisotope Teletherapy; Radioisotopes; Tantalum; Urinary Bladder Neoplasms; Yttrium Radioisotopes	1983
[Intracavitary contact radiation of cystic craniopharyngiomas by stereotaxic Y-90 application]. Strahlentherapie. Sonderbande, 1981, Volume: 76 Topics: Brachytherapy; Craniopharyngioma; Humans; Pituitary Neoplasms; Stereotaxic Techniques; Yttrium Radioisotopes	1981
Treatment of acromegaly by trans-sphenoidal operation, 90-yttrium implantation and bromocriptine: results in 230 patients. Clinical endocrinology, 1982, Volume: 16, Issue:2 Topics: Acromegaly; Adolescent; Adult; Aged; Brachytherapy; Bromocriptine; Child; Female; Growth Hormone; Humans; Male; Methods; Middle Aged; Pituitary Function Tests; Pituitary Neoplasms; Prospective Studies; Yttrium Radioisotopes	1982
Radioisotope therapy of cystic craniopharyngomas. International journal of radiation oncology, biology, physics, 1982, Volume: 8, Issue:9 Topics: Adolescent; Adult; Brain; Child; Child, Preschool; Craniopharyngioma; Humans; Middle Aged; Pituitary Neoplasms; Tomography, X-Ray Computed; Yttrium Radioisotopes	1982
Intracavitary treatment of intrasellar cystic craniopharyngeomas with 90-Yttrium by trans-sphenoidal approach--a technical note. Acta neurochirurgica, 1995, Volume: 135, Issue:3-4 Topics: Adolescent; Aged; Brachytherapy; Child; Combined Modality Therapy; Craniopharyngioma; Diagnostic Imaging; Female; Humans; Male; Pituitary Irradiation; Pituitary Neoplasms; Radiotherapy Dosage; Radiotherapy, Adjuvant; Treatment Outcome; Yttrium Radioisotopes	1995
Stereotactic intratumour irradiation with nuclide for craniopharyngiomas. Chinese medical journal, 1996, Volume: 109, Issue:3 Topics: Adolescent; Adult; Aged; Brachytherapy; Child; Child, Preschool; Craniopharyngioma; Female; Follow-Up Studies; Humans; Male; Middle Aged; Phosphorus Radioisotopes; Pituitary Neoplasms; Stereotaxic Techniques; Yttrium Radioisotopes	1996
Stereotactic management of craniopharyngiomas. Stereotactic and functional neurosurgery, 1995, Volume: 65, Issue:1-4 Topics: Adolescent; Adult; Aged; Bleomycin; Child; Child, Preschool; Combined Modality Therapy; Craniopharyngioma; Humans; Iodine Radioisotopes; Magnetic Resonance Imaging; Middle Aged; Pituitary Neoplasms; Stereotaxic Techniques; Tomography, X-Ray Computed; Yttrium Radioisotopes	1995
[Stereotactic intratumoral irradiation of huge craniopharyngioma]. Zhonghua zhong liu za zhi [Chinese journal of oncology], 1996, Volume: 18, Issue:3 Topics: Adolescent; Adult; Aged; Brachytherapy; Child; Child, Preschool; Craniopharyngioma; Female; Follow-Up Studies; Humans; Male; Middle Aged; Phosphorus Radioisotopes; Pituitary Irradiation; Pituitary Neoplasms; Stereotaxic Techniques; Yttrium Radioisotopes	1996
Magnetic resonance imaging features of pituitary yttrium-90 rod implantation. Clinical radiology, 1998, Volume: 53, Issue:8 Topics: Adenoma; Aged; Brachytherapy; Female; Follow-Up Studies; Humans; Magnetic Resonance Imaging; Middle Aged; Pituitary Neoplasms; Sphenoid Bone; Tomography, X-Ray Computed; Yttrium Radioisotopes	1998
Stereotactic intracavitary therapy of recurrent cystic craniopharyngioma by instillation of 90yttrium. British journal of neurosurgery, 1999, Volume: 13, Issue:4 Topics: Adult; Brachytherapy; Child; Craniopharyngioma; Female; Humans; Male; Middle Aged; Neoplasm Recurrence, Local; Pituitary Neoplasms; Salvage Therapy; Tomography, X-Ray Computed; Treatment Outcome; Vision Disorders; Yttrium Radioisotopes	1999
Treatment of prolactin-secreting pituitary tumours in young women by needle implantation of radioactive yttrium. The Quarterly journal of medicine, 1978, Volume: 47, Issue:188 Topics: Adult; Amenorrhea; Bromocriptine; Circadian Rhythm; Female; Follicle Stimulating Hormone; Galactorrhea; Humans; Infertility, Female; Luteinizing Hormone; Methods; Pituitary Neoplasms; Pregnancy; Prolactin; Thyrotropin; Thyrotropin-Releasing Hormone; Yttrium Radioisotopes	1978
Treatment of Nelson's syndrome by pituitary implantation of yttrium-90 or gold-198. British medical journal, 1976, Jul-31, Volume: 2, Issue:6030 Topics: Adenoma; Adolescent; Adrenalectomy; Adrenocorticotropic Hormone; Adult; Child; Diabetes Insipidus; Female; Gold Radioisotopes; Humans; Male; Middle Aged; Pigmentation Disorders; Pituitary Neoplasms; Radiotherapy Dosage; Yttrium Radioisotopes	1976
[Criteria for surgical therapy of hypothalamo-hypophyseal Cushing's syndrome]. Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen, 1977, Volume: 48, Issue:4 Topics: Adenoma; Adrenalectomy; Adrenocorticotropic Hormone; Adult; Cushing Syndrome; Female; Humans; Hypothalamo-Hypophyseal System; Iridium; Male; Pituitary Irradiation; Pituitary Neoplasms; Radioisotopes; Yttrium Radioisotopes	1977
Space occupying growth of a pituitary adenoma producing hGH and hPrl during bromocriptin therapy. Clinical neurology and neurosurgery, 1977, Volume: 80, Issue:4 Topics: Acromegaly; Adenoma, Acidophil; Bromocriptine; Female; Growth Hormone; Humans; Middle Aged; Pituitary Irradiation; Pituitary Neoplasms; Prolactin; Yttrium Radioisotopes	1977
Pregnancies in women with hyperprolactinaemia: clinical course and obstetric complications of 41 pregnancies in 27 women. British journal of obstetrics and gynaecology, 1979, Volume: 86, Issue:9 Topics: Adult; Brachytherapy; Bromocriptine; Cesarean Section; Female; Humans; Labor, Induced; Pituitary Irradiation; Pituitary Neoplasms; Pregnancy; Pregnancy Complications; Prolactin; Yttrium Radioisotopes	1979
Pregnancy in patients presenting with hyperprolactinaemia. British medical journal, 1979, Nov-10, Volume: 2, Issue:6199 Topics: Female; Humans; Pituitary Irradiation; Pituitary Neoplasms; Pregnancy; Pregnancy Complications; Prolactin; Yttrium Radioisotopes	1979
The sublabial transseptal transsphenoidal approach to the hypophysis. The Laryngoscope, 1978, Volume: 88, Issue:7 Pt 2 Sup Topics: Breast Neoplasms; Cryosurgery; Diabetic Retinopathy; Gold Radioisotopes; Headache; Humans; Hypophysectomy; Male; Pituitary Gland; Pituitary Irradiation; Pituitary Neoplasms; Prostatic Neoplasms; Sella Turcica; Skull; Sphenoid Sinus; Surgical Instruments; Ultrasonics; Yttrium Radioisotopes	1978
Hyperprolactinaemia and pituitary tumours. British medical journal, 1978, Apr-22, Volume: 1, Issue:6119 Topics: Female; Fertility; Humans; Pituitary Neoplasms; Pregnancy; Pregnancy Complications; Prolactin; Yttrium Radioisotopes	1978
Pituitary-dependent Cushing's disease. British medical journal, 1977, Apr-23, Volume: 1, Issue:6068 Topics: Cushing Syndrome; Gold Radioisotopes; Humans; Hypophysectomy; Pituitary Neoplasms; Yttrium Radioisotopes	1977
Pregnancy, prolactin, and pituitary tumours. British medical journal, 1975, Oct-11, Volume: 4, Issue:5988 Topics: Adult; Amenorrhea; Bromocriptine; Clomiphene; Diabetes Insipidus; Female; Humans; Labor, Obstetric; Menotropins; Pituitary Neoplasms; Pregnancy; Pregnancy Complications; Pregnancy in Diabetics; Prolactin; Vision Disorders; Visual Fields; Yttrium Radioisotopes	1975
Pathological changes in cystic craniopharyngiomas following intracavital 90yttrium treatment. Acta neurochirurgica, 1990, Volume: 102, Issue:1-2 Topics: Brachytherapy; Combined Modality Therapy; Craniopharyngioma; Cysts; Humans; Hyalin; Pituitary Neoplasms; Silicates; Silicic Acid; Silicon Dioxide; Yttrium; Yttrium Radioisotopes	1990
[Intracranial giant aneurysm due to the effects of radiation]. Der Radiologe, 1991, Volume: 31, Issue:5 Topics: Adenoma; Brachytherapy; Carotid Artery Diseases; Female; Humans; Intracranial Aneurysm; Male; Pituitary Neoplasms; Yttrium Radioisotopes	1991
Treatment of craniopharyngiomas--the stereotactic approach in a ten to twenty-three years' perspective. I. Surgical, radiological and ophthalmological aspects. Acta neurochirurgica, 1989, Volume: 99, Issue:1-2 Topics: Adolescent; Adult; Child; Child, Preschool; Craniopharyngioma; Female; Humans; Male; Middle Aged; Optic Disk; Pituitary Neoplasms; Stereotaxic Techniques; Tomography, X-Ray Computed; Visual Acuity; Visual Fields; Yttrium Radioisotopes	1989
Treatment of craniopharyngiomas--the stereotactic approach in a ten to twenty-three years' perspective. II. Psychosocial situation and pituitary function. Acta neurochirurgica, 1989, Volume: 99, Issue:3-4 Topics: Adolescent; Adult; Brachytherapy; Child; Child, Preschool; Craniopharyngioma; Disability Evaluation; Female; Follow-Up Studies; Humans; Hypopituitarism; Male; Middle Aged; Pituitary Function Tests; Pituitary Irradiation; Pituitary Neoplasms; Social Adjustment; Stereotaxic Techniques; Yttrium Radioisotopes	1989
[The place of radiotherapy in the treatment of pituitary adenomas]. Meditsinskaia radiologiia, 1989, Volume: 34, Issue:8 Topics: Adenoma; Brachytherapy; Cobalt Radioisotopes; Humans; Particle Accelerators; Pituitary Neoplasms; Radioisotope Teletherapy; Yttrium Radioisotopes	1989
Assessment of computed tomographic artefact in the pituitary fossa following needle implantation of radioactive rods. Clinical radiology, 1989, Volume: 40, Issue:2 Topics: Adenoma; Brachytherapy; Gold Radioisotopes; Humans; Needles; Pituitary Neoplasms; Sella Turcica; Tomography, X-Ray Computed; Yttrium Radioisotopes	1989
Anterior pituitary function after treatment of Cushing's disease with interstitial irradiation. Acta clinica Belgica, 1988, Volume: 43, Issue:3 Topics: Adenoma; Adult; Brachytherapy; Cushing Syndrome; Female; Humans; Male; Middle Aged; Pituitary Irradiation; Pituitary Neoplasms; Yttrium Radioisotopes	1988
[Cystic craniopharyngiomas: computed tomography in the pretherapeutic evaluation and control of treatment results following intracystic contact irradiation]. Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al], 1987, Volume: 163, Issue:9 Topics: Brachytherapy; Craniopharyngioma; Female; Humans; Male; Pituitary Neoplasms; Tomography, X-Ray Computed; Yttrium Radioisotopes	1987
[Stereotaxic treatment of expanding cysts in craniopharyngiomas by endocavitary beta-irradiation (Re-186; Au-198; Y-90)]. Neuro-Chirurgie, 1985, Volume: 31, Issue:3 Topics: Adolescent; Adult; Brachytherapy; Child; Child, Preschool; Craniopharyngioma; Cysts; Female; Gold Radioisotopes; Humans; Injections; Male; Middle Aged; Pituitary Neoplasms; Radioisotopes; Radiotherapy Dosage; Rhenium; Stereotaxic Techniques; Therapeutic Irrigation; Time Factors; Yttrium Radioisotopes	1985
The radiotherapy of cystic craniopharyngioma with intracystic installation of 90Y silicate colloid. Acta neurochirurgica, 1985, Volume: 74, Issue:3-4 Topics: Adolescent; Adult; Brachytherapy; Child; Combined Modality Therapy; Craniopharyngioma; Cysts; Female; Humans; Male; Neoplasm Recurrence, Local; Pituitary Neoplasms; Silicates; Tomography, X-Ray Computed; Yttrium; Yttrium Radioisotopes	1985