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Goyal-Honavar A, Sarkar S, Chacko G, Balakrishnan R, Asha HS, Chacko AG. Growth hormone storm following infarction of a residual growth hormone secreting pituitary macroadenoma. Br J Neurosurg 2024; 38:983-986. [PMID: 34615430 DOI: 10.1080/02688697.2021.1988055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 09/15/2021] [Accepted: 09/28/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Thyrotroph pituitary adenomas have been reported to be a rare cause of 'thyroid storms', causing myriad metabolic and autonomic disturbances. In this case, we describe the second reported case in literature of a 'GH storm' in an infarcted somatotroph adenoma. CASE DESCRIPTION We describe a residual invasive somatotroph macroadenoma that underwent infarction, producing a dramatic elevation in serum GH levels. While infarction of adenomas may in some cases lead to remission, the patient went on to require re-surgery and re-radiation due to growth of the residual viable tumour. CONCLUSIONS 'GH storms' are rare but interesting events that may occur in somatotroph adenomas. Infarction or apoplexy must be considered when managing residual adenomas.
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Affiliation(s)
| | - Sauradeep Sarkar
- Department of Neurosurgery, Christian Medical College, Vellore, India
| | - Geeta Chacko
- Department of Pathology, Christian Medical College, Vellore, India
| | | | - H S Asha
- Department of Endocrinology, Christian Medical College, Vellore, India
| | - Ari G Chacko
- Department of Neurosurgery, Christian Medical College, Vellore, India
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Esene IN, Elserry T, Radwan H, Mohammed Elsabaa A. Gamma knife radiosurgery in patients with Cushing's Disease: Is it a curative option? EGYPTIAN JOURNAL OF NEUROSURGERY 2021. [DOI: 10.1186/s41984-021-00131-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The first line of treatment of Cushing’s disease (CD) is surgery. However, surgical resection is not amenable in all cases and the role of radiosurgical management of residual tumors or upfront treatment has been reported. Our study highlights the effectiveness and safety of Gamma Knife Radiosurgery for the treatment of Cushing’s disease.
Methods
This was an ambidirectional descriptive cohort study on 16 consecutive patients with a confirmed Cushing’s disease that underwent Gamma Knife Radiosurgery (GKR) before July 2014 and assessed for outcome during the study period between January 2014 and June 2016 (30 Months). We included patients with a minimum of two years follow up. The main outcomes were biochemical remission and tumor volume control. Secondary outcomes were visual field changes and morbidity.
Results
Sixteen cases with CD were included into the study. The Mean age ± SD was 34.81 ± 10.10 years. The male to female sex ratio was 1:3.
Six cases (37.5%) were de novo. Normalization of hypersecretion at 2 years was achieved in 13 cases (81.3%).The median hormone normalization time was 23 months. Tumor volume control was achieved in all the cases, whereas tumor shrinkage was achieved in (10 cases) 62.5%. The median shrinkage time was 13 months. Of the 12 eyes with pre-Gamma Knife visual affection, 8 (75%) normalized, 4 (25%) improved, and none deteriorated. No patient developed new hypopituitarism after GK radiosurgery. One case developed diplopia at 24 months follow up from abducens palsy. No mortality occurred in our series.
Conclusion
Gamma Knife Stereotactic Radiosurgery is an effective and safe treatment option for Cushing’s disease. It can be used as a complementary therapeutic procedure to classic surgery or as a first line treatment in selected number of patients.
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Gómez-Amador JL, Martínez-Anda JJ, Guerrero-Suarez PD, Rosales-Amaya AM, Delgado-Arce JC, Guerrero-López DA. Endoscopic endonasal lateral transellar approach for growth hormone-secreting adenomas with cavernous sinus invasion: Technical note and surgical results. NEUROCIRUGÍA (ENGLISH EDITION) 2021; 32:170-177. [PMID: 34218877 DOI: 10.1016/j.neucie.2020.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 05/27/2020] [Indexed: 10/21/2022]
Abstract
BACKGROUND Cavernous sinus (CS) invasion is found in 15-20% of pituitary adenomas; it represents a poor prognosis factor and a surgical challenge even in experienced pituitary centers. We present our experience and technical note description for surgical management of pituitary adenomas with CS invasion in acromegaly by the transsellar lateral approach with an endoscopic endonasal transsphenoidal route. METHOD prospective case series of patients who underwent endoscopic endonasal surgery for Growing Hormone (GH) producing adenomas with CS invasion treated at the Neurosurgery departments of National Institute of Neurology and Neurosurgery in Mexico City, and of Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces between January 2014 and March 2019. RESULTS Thirty-two of 94 patients with diagnosis of pituitary adenoma treated at our institutions (34%) had acromegaly; thirteen of patients with acromegaly diagnosis met the inclusion criteria for CS invasion. Postoperative images reported gross total resection in 10 patients (76.9%). Mean follow-up time was 28.3 months. Remission criteria were achieved in nine patients (69.2%), with one of these patients (11.1%) having recurrence during follow up. All patients with no biochemical remission had improvement in GH and IGF profiles. Three patients without remission underwent radiosurgery (14Gy), and one patient had remission after the procedure. CONCLUSIONS We consider this to be a safe and efficient approach for tumors invading CS, when surgical team have good experience in endoscopy of the skull base and reconstruction techniques, appropriate instruments are available, and tumor has soft consistency.
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Affiliation(s)
- Juan Luis Gómez-Amador
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery Manuel Velasco Suarez, Insurgentes Sur Av. 3877, Barrio La Fama, Postal Code 14269 Mexico City, Mexico
| | - Jaime Jesús Martínez-Anda
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico.
| | - Pablo David Guerrero-Suarez
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
| | - Arturo Miguel Rosales-Amaya
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
| | - Julio Cesar Delgado-Arce
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
| | - David Antonio Guerrero-López
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
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Uygur MM, Deyneli O, Yavuz DG. Long-term endocrinological outcomes of gamma knife radiosurgery in acromegaly patients. Growth Horm IGF Res 2020; 55:101335. [PMID: 33190108 DOI: 10.1016/j.ghir.2020.101335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 06/06/2020] [Accepted: 06/06/2020] [Indexed: 12/17/2022]
Abstract
UNLABELLED Gamma knife radiosurgery (GKS) is a treatment option for recurrent or persistent disease in patients with acromegaly. OBJECTIVE We aimed to retrospectively evaluate acromegaly patients who had undergone GKS in terms of pituitary hormone status, efficacy of GKS, and prognostic factors. METHOD One-hundred and ten acromegaly patients who underwent GKS, and who were referred to our outpatient endocrinology clinic between 2007 and 2017, were included in the study. Anterior pituitary hormones and radiology imaging during follow-up were recorded. Remission for acromegaly was defined as a normal insulin-like growth factor 1 (IGF-1) level adjusted for age and gender, and a random growth hormone (GH) level < 1 ng/ml. Endocrine control was defined as normal GH and IGF-1 levels under medication. RESULTS After a mean follow-up of 6.5 ± 4.7 years; remission, endocrine control, and uncontrolled status was observed in 16.4%, 60%, and 23.6% of patients; respectively. Adenoma volume was decreased after GKS (P < .0001). Remnant adenoma diameter was higher in the uncontrolled group compared to the remission and endocrine control group. The presence of tumor extension was associated with disease status (P = .03) and higher initial GH and IGF-1 levels. The mean time after GKS to remission was 26.5 months. Six (5.4%) patients had new-onset pituitary deficiency after GKS. In the multivariate analysis, pre-GKS IGF-1 levels and patient's age were associated with disease status. CONCLUSION GKS is an effective adjuvant treatment with minimal side effects to control GH and IGF-1 levels, increase remission rates, endocrine control, and reduce tumor diameter in persistent acromegaly patients after surgery.
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Affiliation(s)
- Meliha Melin Uygur
- Marmara University School of Medicine, Section of Endocrinology and Metabolism, Istanbul, Turkey.
| | - Oğuzhan Deyneli
- Marmara University School of Medicine, Section of Endocrinology and Metabolism, Istanbul, Turkey
| | - Dilek Gogas Yavuz
- Marmara University School of Medicine, Section of Endocrinology and Metabolism, Istanbul, Turkey
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Graffeo CS, Donegan D, Erickson D, Brown PD, Perry A, Link MJ, Young WF, Pollock BE. The Impact of Insulin-Like Growth Factor Index and Biologically Effective Dose on Outcomes After Stereotactic Radiosurgery for Acromegaly: Cohort Study. Neurosurgery 2020; 87:538-546. [PMID: 32267504 PMCID: PMC7426191 DOI: 10.1093/neuros/nyaa054] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 01/30/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Stereotactic radiosurgery (SRS) is a safe and effective treatment for acromegaly. OBJECTIVE To improve understanding of clinical and dosimetric factors predicting biochemical remission. METHODS A single-institution cohort study of nonsyndromic, radiation-naïve patients with growth hormone-producing pituitary adenomas (GHA) having single-fraction SRS between 1990 and 2017. Exclusions were treatment with pituitary suppressive medications at the time of SRS, or <24 mo of follow-up. The primary outcome was biochemical remission-defined as normalization of insulin-like growth factor-1 index (IGF-1i) off suppression. Biochemical remission was assessed using Cox proportional hazards. Prior studies reporting IGF-1i were assessed via systematic literature review and meta-analysis using random-effect modeling. RESULTS A total of 102 patients met study criteria. Of these, 46 patients (45%) were female. The median age was 49 yr (interquartile range [IQR] = 37-59), and the median follow-up was 63 mo (IQR = 29-100). The median pre-SRS IGF-1i was 1.66 (IQR = 1.37-3.22). The median margin dose was 25 Gy (IQR = 21-25); the median estimated biologically effective dose (BED) was 169.49 Gy (IQR = 124.95-196.00). Biochemical remission was achieved in 58 patients (57%), whereas 22 patients (22%) had medication-controlled disease. Pre-SRS IGF-1i ≥ 2.25 was the strongest predictor of treatment failure, with an unadjusted hazard ratio (HR) of 0.51 (95% CI = 0.26-0.91, P = .02). Number of isocenters, margin dose, and BED predicted remission on univariate analysis, but after adjusting for sex and baseline IGF-1i, only BED remained significant-and was independently associated with outcome in continuous (HR = 1.01, 95% CI = 1.00-1.01, P = .02) and binary models (HR = 2.27, 95% CI = 1.39-5.22, P = .002). A total of 24 patients (29%) developed new post-SRS hypopituitarism. Pooled HR for biochemical remission given subthreshold IGF-1i was 2.25 (95% CI = 1.33-3.16, P < .0001). CONCLUSION IGF-1i is a reliable predictor of biochemical remission after SRS. BED appears to predict biochemical outcome more reliably than radiation dose, but confirmatory study is needed.
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Affiliation(s)
| | - Diane Donegan
- Division of Endocrinology, Indiana University, Indianapolis, Indiana
| | - Dana Erickson
- Department of Endocrinology, Mayo Clinic, Rochester, Minnesota
| | - Paul D Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
| | - Avital Perry
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota
| | - Michael J Link
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota
- Department of Otorhinolaryngology, Mayo Clinic, Rochester, Minnesota
| | - William F Young
- Department of Endocrinology, Mayo Clinic, Rochester, Minnesota
| | - Bruce E Pollock
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
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Gómez-Amador JL, Martínez-Anda JJ, Guerrero-Suarez PD, Rosales-Amaya AM, Delgado-Arce JC, Guerrero-López DA. Endoscopic endonasal lateral transellar approach for growth hormone-secreting adenomas with cavernous sinus invasion: Technical note and surgical results. Neurocirugia (Astur) 2020; 32:S1130-1473(20)30081-6. [PMID: 32690399 DOI: 10.1016/j.neucir.2020.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/07/2020] [Accepted: 05/27/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Cavernous sinus (CS) invasion is found in 15-20% of pituitary adenomas; it represents a poor prognosis factor and a surgical challenge even in experienced pituitary centers. We present our experience and technical note description for surgical management of pituitary adenomas with CS invasion in acromegaly by the transsellar lateral approach with an endoscopic endonasal transsphenoidal route. METHOD prospective case series of patients who underwent endoscopic endonasal surgery for Growing Hormone (GH) producing adenomas with CS invasion treated at the Neurosurgery departments of National Institute of Neurology and Neurosurgery in Mexico City, and of Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces between January 2014 and March 2019. RESULTS Thirty-two of 94 patients with diagnosis of pituitary adenoma treated at our institutions (34%) had acromegaly; thirteen of patients with acromegaly diagnosis met the inclusion criteria for CS invasion. Postoperative images reported gross total resection in 10 patients (76.9%). Mean follow-up time was 28.3 months. Remission criteria were achieved in nine patients (69.2%), with one of these patients (11.1%) having recurrence during follow up. All patients with no biochemical remission had improvement in GH and IGF profiles. Three patients without remission underwent radiosurgery (14Gy), and one patient had remission after the procedure. CONCLUSIONS We consider this to be a safe and efficient approach for tumors invading CS, when surgical team have good experience in endoscopy of the skull base and reconstruction techniques, appropriate instruments are available, and tumor has soft consistency.
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Affiliation(s)
- Juan Luis Gómez-Amador
- Department of Neurosurgery, National Institute of Neurology and Neurosurgery Manuel Velasco Suarez, Insurgentes Sur Av. 3877, Barrio La Fama, Postal Code 14269 Mexico City, Mexico
| | - Jaime Jesús Martínez-Anda
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico.
| | - Pablo David Guerrero-Suarez
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
| | - Arturo Miguel Rosales-Amaya
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
| | - Julio Cesar Delgado-Arce
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
| | - David Antonio Guerrero-López
- Neurosurgery Department, Toluca Medical Center of Social Security Institute of the State of Mexico and Provinces Baja Velocidad, Av. 57.5km Mexico - Toluca Highway, Postal Code 52140 Metepec, State of Mexico, Mexico
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Pai FY, Chen CJ, Wang WH, Yang HC, Lin CJ, Wu HM, Lin YC, Chen HS, Yen YS, Chung WY, Guo WY, Pan DHC, Shiau CY, Lee CC. Low-Dose Gamma Knife Radiosurgery for Acromegaly. Neurosurgery 2018; 85:E20-E30. [DOI: 10.1093/neuros/nyy410] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 08/02/2018] [Indexed: 02/06/2023] Open
Affiliation(s)
- Fu-Yuan Pai
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ching-Jen Chen
- Department of Neurological Surgery, University of Virginia Health System, Charlottesville, Virginia
| | - Wen-Hsin Wang
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Huai-Che Yang
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Chung Jung Lin
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hsiu-Mei Wu
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yi-Chun Lin
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Endocrinology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Harn-Shen Chen
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Endocrinology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yu-Shu Yen
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Wen-Yuh Chung
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Wan-Yuo Guo
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - David Hung-Chi Pan
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
- Taipei Medical University-Shuang Ho Hospital, Taipei, Taiwan
| | - Cheng-Ying Shiau
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Radiation Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Cheng-Chia Lee
- Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
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Babu H, Ortega A, Nuno M, Dehghan A, Schweitzer A, Bonert HV, Carmichael JD, Cooper O, Melmed S, Mamelak AN. Long-Term Endocrine Outcomes Following Endoscopic Endonasal Transsphenoidal Surgery for Acromegaly and Associated Prognostic Factors. Neurosurgery 2018; 81:357-366. [PMID: 28368500 DOI: 10.1093/neuros/nyx020] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 01/13/2017] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Long-term remission rates from endoscopic transsphenoidal surgery for acromegaly and their relationship to prognostic indicators of disease aggressiveness are not well documented. OBJECTIVE To investigate long-term remission rates in patients with acromegaly after endoscopic transsphenoidal surgery, and correlate this with molecular and radiographic markers of disease aggressiveness. METHODS We identified all patients undergoing endoscopic transsphenoidal surgery for acromegaly from 2005 to 2013 at Cedars-Sinai Pituitary Center. Hormonal remission was established by normal insulin-like growth factor (IGF)-1, basal serum growth hormone <2.5 ng/mL, and growth hormone suppression to <1 ng/mL following oral glucose tolerance test. Oral glucose tolerance test was performed at 3 months after surgery, and then as indicated. IGF-1 was measured at 3 months and then at least annually. We evaluated tumor granularity, nuclear expression of p21, Ki67 index, and extent of cavernous sinus invasion, and correlated these with remission status. RESULTS Fifty-eight patients that underwent surgery had follow-up from 38 to 98 months (mean 64 ± 32.2 months). There were 21 microadenomas and 37 macroadenomas. Three months after surgery 40 of 58 patients (69%) were in biochemical remission. Four additional patients were in remission at 6 months after surgery, and 1 patient had recurrence within the first year after surgery. At last follow-up, 43 of 44 (74.1%) of patients remained in remission. Cavernous sinus invasion by tumor predicted failure to achieve remission. CONCLUSIONS Prognostic markers of disease aggressiveness other than cavernous sinus invasion did not correlate with surgical outcome. Long-term remission after surgery alone was achieved in 74% of patients, indicating long-term efficacy of endoscopic surgery.
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Affiliation(s)
- Harish Babu
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Cali-fornia
| | - Alicia Ortega
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Cali-fornia.,Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Miriam Nuno
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Cali-fornia.,Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Aaron Dehghan
- Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Aaron Schweitzer
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Cali-fornia
| | - H Vivien Bonert
- Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - John D Carmichael
- Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Odelia Cooper
- Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Shlomo Melmed
- Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Adam N Mamelak
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Cali-fornia
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Almeida JP, Ruiz-Treviño AS, Liang B, Omay SB, Shetty SR, Chen YN, Anand VK, Grover K, Christos P, Schwartz TH. Reoperation for growth hormone-secreting pituitary adenomas: report on an endonasal endoscopic series with a systematic review and meta-analysis of the literature. J Neurosurg 2017; 129:404-416. [PMID: 28862548 DOI: 10.3171/2017.2.jns162673] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Surgery is generally the first-line therapy for acromegaly. For patients with residual or recurrent tumors, several treatment options exist, including repeat surgery, medical therapy, and radiation. Reoperation for recurrent acromegaly has been associated with poor results, with hormonal control usually achieved in fewer than 50% of cases. Extended endonasal endoscopic approaches (EEAs) may potentially improve the results of reoperation for acromegaly by providing increased visibility and maneuverability in parasellar areas. METHODS A database of all patients treated in the authors' center between July 2004 and February 2016 was reviewed. Cases involving patients with acromegaly secondary to growth hormone (GH)-secreting adenomas who underwent EEA were selected for chart review and divided into 2 groups: first-time surgery and reoperation. Disease control was defined by 2010 guidelines. Clinical and radiological characteristics and outcome data were extracted. A systematic review was done through a MEDLINE database search (2000-2016) to identify studies on the surgical treatment of acromegaly. Using PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, the included studies were reviewed for surgical approach, tumor size, cavernous sinus invasion, disease control, and complications. Cases were divided into reoperation or first-time surgery for comparative analysis. RESULTS A total of 44 patients from the authors' institution were included in this study. Of these patients, 2 underwent both first-time surgery and reoperation during the study period and were therefore included in both groups. Thus data from 46 surgical cases were analyzed (35 first-time operations and 11 reoperations). The mean length of follow-up was 70 months (range 6-150 months). The mean size of the reoperated tumors was 14.8 ± 10.0 mm (5 micro- and 6 macroadenomas). The patients' mean age at the time of surgery was younger in the reoperation group than in the first-time surgery group (34.3 ± 12.8 years vs 49.1 ± 15.7 years, p = 0.007) and the mean preoperative GH level was also lower (7.7 ± 13.1 μg/L vs 25.6 ± 36.8 μg/L, p = 0.04). There was no statistically significant difference in disease control rates between the reoperation (7 [63.6%] of 11) and first-time surgery (25 [71.4%] of 33) groups (p = 0.71). Univariate analysis showed that older age, smaller tumor size, lower preoperative GH level, lower preoperative IGF-I level, and absence of cavernous sinus invasion were associated with higher chances of disease control in the first-time surgery group, whereas only absence of cavernous sinus invasion was associated with disease control in the reoperation group (p = 0.01). There was 1 case (9%) of transient diabetes insipidus and hypogonadism and 1 (9%) postoperative nasal infection after reoperation. The systematic review retrieved 29 papers with 161 reoperation and 2189 first-time surgery cases. Overall disease control for reoperation was 46.8% (95% CI 20%-74%) versus 56.4% (95% CI 49%-63%) for first-time operation. Reoperation and first-time surgery had similar control rates for microadenomas (73.6% [95% CI 32%-98%] vs 77.6% [95% CI 68%-85%]); however, reoperation was associated with substantially lower control rates for macroadenomas (27.5% [95% CI 5%-57%] vs 54.3% [95% CI 45%-62%]) and tumors invading the cavernous sinus (14.7% [95% CI 4%-29%] vs 38.5% [95% CI 27%-50%]). CONCLUSIONS Reoperative EEA for acromegaly had results similar to those for first-time surgery and rates of control for macroadenomas that were better than historical rates. Cavernous sinus invasion continues to be a negative prognostic indicator for disease control; however, results with EEA show improvement compared with results reported in the prior literature.
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Rhome R, Germano IM, Sheu RD, Green S. Long-term outcomes of acromegaly treated with fractionated stereotactic radiation: case series and literature review. Neurooncol Pract 2017; 4:255-262. [PMID: 31385970 DOI: 10.1093/nop/npx002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background Growth hormone (GH)-secreting pituitary adenomas represent an uncommon subset of pituitary neoplasms. Stereotactic radiosurgery (SRS) and fractionated stereotactic radiotherapy (FSRT) have been used as primary or adjuvant treatment. The purpose of this study is to report the long-term tumor control and toxicity from our institution and to perform a systematic literature review of acromegaly patients treated with FSRT. Methods We retrospectively reviewed all patients treated with FSRT (median dose 50.4 Gray [Gy], range 50.4-54 Gy) between 2005 and 2012 who had: 1) GH-secreting adenoma with persistently elevated insulin growth factor-1 (IGF-1) despite medical therapy and 2) clinical follow up >3 years after FSRT. Patients were treated with modern FSRT planning techniques. Biochemical control was defined as IGF-1 normalization. Systematic review of the literature was performed for FSRT in acromegaly. Results With a median follow-up of 80 months, radiographic control was achieved in all 11 patients and overall survival was 100%. Long-term biochemical control was achieved in 10 patients (90.9%) with either FSRT alone (36.4%) or FSRT with continued medical management (45.5%). No patient experienced new hypopituitarism, cranial nerve dysfunctions, or visual deficits. Our systematic review found published rates of biochemical control and hypopituitarism vary, with uniformly good radiographic control and low incidence of visual changes. Conclusions Adjuvant FSRT offered effective long-term biochemical control and radiographic control, and there was a lower rate of complications in this current series. Review of the literature shows variations in published rates of biochemical control after FSRT for acromegaly, but low incidence of serious toxicities.
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Affiliation(s)
- Ryan Rhome
- Department of Radiation Oncology (R.R., R.-D.S., S.G.) and Department of Neurosurgery (I.M.G.), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1236, New York, NY 10029
| | - Isabelle M Germano
- Department of Radiation Oncology (R.R., R.-D.S., S.G.) and Department of Neurosurgery (I.M.G.), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1236, New York, NY 10029
| | - Ren-Dih Sheu
- Department of Radiation Oncology (R.R., R.-D.S., S.G.) and Department of Neurosurgery (I.M.G.), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1236, New York, NY 10029
| | - Sheryl Green
- Department of Radiation Oncology (R.R., R.-D.S., S.G.) and Department of Neurosurgery (I.M.G.), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1236, New York, NY 10029
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11
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Abstract
Aggressive GH-secreting pituitary adenomas (GHPAs) represent an important clinical problem in patients with acromegaly. Surgical therapy, although often the mainstay of treatment for GHPAs, is less effective in aggressive GHPAs due to their invasive and destructive growth patterns, and their proclivity for infrasellar invasion. Medical therapies for GHPAs, including somatostatin analogues and GH receptor antagonists, are becoming increasingly important adjuncts to surgical intervention. Stereotactic radiosurgery serves as an important fallback therapy for tumors that cannot be cured with surgery and medications. Data suggests that patients with aggressive and refractory GHPAs are best treated at dedicated tertiary pituitary centers with multidisciplinary teams of neuroendocrinologists, neurosurgeons, radiation oncologists and other specialists who routinely provide advanced care to GHPA patients. Future research will help clarify the defining features of "aggressive" and "atypical" PAs, likely based on tumor behavior, preoperative imaging characteristics, histopathological characteristics, and molecular markers.
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Affiliation(s)
- Daniel A Donoho
- Department of Neurological Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, USA
| | - Namrata Bose
- Division of Endocrinology, Department of Medicine, Keck School of Medicine of the University of Southern California, USC Pituitary Center, 1520 San Pablo Street #3800, Los Angeles, CA, 90033, USA
| | - Gabriel Zada
- Department of Neurological Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, USA
| | - John D Carmichael
- Division of Endocrinology, Department of Medicine, Keck School of Medicine of the University of Southern California, USC Pituitary Center, 1520 San Pablo Street #3800, Los Angeles, CA, 90033, USA.
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12
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Kuhn E, Chanson P. Fractionated stereotactic radiotherapy: an interesting alternative to stereotactic radiosurgery in acromegaly. Endocrine 2015; 50:529-30. [PMID: 26464057 DOI: 10.1007/s12020-015-0768-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 09/30/2015] [Indexed: 10/23/2022]
Affiliation(s)
- Emmanuelle Kuhn
- Service d'Endocrinologie et des Maladies de la Reproduction, Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, 94275, Le Kremlin-Bicêtre, France
- Unité Mixte de Recherche-S1185, Univ Paris-Sud, Université Paris Saclay, Faculté de Médecine Paris-Sud, 94276, Le Kremlin Bicêtre, France
- Unité 1185, Institut National de la Santé et de la Recherche Médicale, 94276, Le Kremlin Bicêtre, France
| | - Philippe Chanson
- Service d'Endocrinologie et des Maladies de la Reproduction, Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, 94275, Le Kremlin-Bicêtre, France.
- Unité Mixte de Recherche-S1185, Univ Paris-Sud, Université Paris Saclay, Faculté de Médecine Paris-Sud, 94276, Le Kremlin Bicêtre, France.
- Unité 1185, Institut National de la Santé et de la Recherche Médicale, 94276, Le Kremlin Bicêtre, France.
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13
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Sarkar S, Jacob KS, Pratheesh R, Chacko AG. Transsphenoidal surgery for acromegaly: predicting remission with early postoperative growth hormone assays. Acta Neurochir (Wien) 2014; 156:1379-87; discussion 1387. [PMID: 24781680 DOI: 10.1007/s00701-014-2098-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 04/10/2014] [Indexed: 11/28/2022]
Abstract
BACKGROUND Early detection of residual disease may benefit management strategies in patients undergoing transsphenoidal surgery for acromegaly. This requires establishing objective thresholds for early postoperative growth hormone (GH) assays, and incorporating these parameters into a scale for outcome prediction. METHOD We analyzed a database containing the records of 86 patients who had undergone gross total transsphenoidal resection of GH-secreting pituitary adenomas. Early postoperative biochemical testing included a morning fasting basal GH assay on the first postoperative day (POD1) and a second GH assay following suppression with 100 g of oral glucose on the seventh postoperative day (POD7). Remission was defined as a normal IGF-1 with either a GH nadir <0.4 ng/ml following suppression with oral glucose or a basal fasting GH <1 ng/ml on follow-up dated >3 months after surgery. Receiver operator characteristic (ROC) curves identified optimal thresholds for all biochemical parameters. Logistic regression analysis assessed the statistical significance of factors associated with cure. A point system was developed, employing regression coefficients obtained from the multivariate statistical model to quantify the impact of each predictor on cure. RESULTS Remission was achieved in 34.6 % of patients and was associated with smaller, non-invasive tumors with lower preoperative, POD1 and POD7 GH levels. Optimal thresholds obtained from the ROC analysis suggested that lower POD1 and POD7 GH values provided good sensitivity and specificity for cure, despite modest predictive values. The model with the best ability to predict outcome included size, POD1 GH and POD7 GH levels, with a score of ≥95 demonstrating high specificity for prediction of remission. CONCLUSION Early postoperative GH assays are highly sensitivity and specific. The scoring system that we propose provided excellent predictive value and requires further validation in larger cohorts and in different populations. The model may help guide the intensity of follow-up and enable early identification of residual disease.
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Affiliation(s)
- Sauradeep Sarkar
- Section of Neurosurgery, Department of Neurological Sciences, Christian Medical College, Vellore, India
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14
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15
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Abstract
INTRODUCTION Gamma Knife (GK) radiosurgery for pituitary adenomas can offer a means of tumor and biologic control with acceptable risk and low complication rates. METHODS Retrospective review of all the patients treated at our center with GK for pituitary adenomas from Nov 2003 to June 2011. RESULTS We treated a total of 86 patients. Ten were lost to follow-up. Mean follow was 32.8 months. There were 21 (24.4%) growth hormone secreting adenomas (GH), 8 (9.3%) prolactinomas (PRL), 8 (9.3%) adrenocorticotropic hormone secreting (ACTH) adenomas, 2 (2.3%) follicle stimulating hormone/luteinizing hormone secreting (FSH/LH) adenomas, and 47 (54.7%) null cell pituitary adenomas that were treated. Average maximum tumor diameter and volume was 2.21cm and 5.41cm³, respectively. The average dose to the 50% isodose line was 14.2 Gy and 23.6 Gy for secreting and non-secreting adenomas respectively. Mean maximal optic nerve dose was 8.87 Gy. Local control rate was 75 of 76 (98.7%), for those with followup. Thirty-three (43.4%) patients experienced arrest of tumor growth, while 42 (55.2%) patients experienced tumor regression. Of the 39 patients with secreting pituitary tumors, 6 were lost to follow-up. Improved endocrine status occurred in 16 (50.0%), while 14 (43.8%) demonstrated stability of hormone status on continued pre-operative medical management. Permanent complications included: panhypopituitarism (4), hypothyroidism (4), hypocortisolemia (1), diabetes insipidus (1), apoplexy (1), visual field defect (2), and diplopia (1). CONCLUSIONS Gamma Knife radiosurgery is a safe and effective means of achieving tumor growth control and endocrine remission/stability in pituitary adenomas.
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16
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Abstract
Multi-session stereotactic radiosurgery (SRS) enables a high dose per fraction to be delivered to the tumor bed with rapid dose falloff that allows for sparing of critical structures, resulting in less radiation-associated toxicity. In this article, the authors review the basic concepts and techniques of multi-session SRS, indications for this technique, outcomes from single-session and multi-session SRS using 3 commonly treated benign intracranial tumors (meningiomas, vestibular schwannomas, pituitary adenomas), and discuss why multi-session SRS is an attractive approach for the treatment of these tumors.
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17
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Acromegaly: a single centre's experience of stereotactic radiosurgery and radiotherapy for growth hormone secreting pituitary tumours with the linear accelerator. J Clin Neurosci 2013; 20:1506-13. [PMID: 23911106 DOI: 10.1016/j.jocn.2012.11.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Revised: 11/07/2012] [Accepted: 11/17/2012] [Indexed: 01/05/2023]
Abstract
Primary treatment for growth-hormone secreting pituitary adenomas usually involves surgery, with treatment options for recurrent and persistent disease including repeat surgery, medication and radiation therapy. The majority of previously published series for radiation therapy in acromegaly in the past 20 years have been based on Gamma-Knife (Elekta, Stockholm, Sweden) surgery. To our knowledge, we present the largest series of linear accelerator-based treatment for this disease, with a review of 121 patients treated at our institution; since 1990, 86 patients underwent stereotactic radiosurgery (SRS), 10 patients underwent fractionated stereotactic radiotherapy (FSRT), and for the purposes of comparison we also reviewed 25 patients who underwent conventional radiotherapy prior to 1990. Tumour volume control in all three groups was excellent and consistent with previously reported literature - only three of 86 (4%) patients undergoing SRS had a documented increase in tumour size, and none of the patients undergoing FSRT had a documented increase in size following a median follow-up of 5.5 and 5.1 years for SRS and FSRT, respectively. Target growth hormone levels of <2.5 ng/mL were met by 12 of 86 (14%) of the SRS group, and by two of 10 (20%) in the FSRT group. Target insulin-like growth factor-1 levels of age and sex matched controls were achieved in 16 of 86 patients (18.6%) post-SRS and five of 10 patients (50%) post-FSRT. New hormonal deficits requiring replacement therapy were identified in 17 of 86 (19.8%) patients post-SRS which is consistent with previously published radiosurgical series. Identified non-hormonal morbidity was low (<5%).
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18
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McCutcheon IE. Pituitary adenomas: Surgery and radiotherapy in the age of molecular diagnostics and pathology. Curr Probl Cancer 2013; 37:6-37. [PMID: 23391140 DOI: 10.1016/j.currproblcancer.2012.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Ian E McCutcheon
- Department of Neurosurgery, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas 77030, USA
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19
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Grant RA, Whicker M, Lleva R, Knisely JPS, Inzucchi SE, Chiang VL. Efficacy and safety of higher dose stereotactic radiosurgery for functional pituitary adenomas: a preliminary report. World Neurosurg 2013; 82:195-201. [PMID: 23385448 DOI: 10.1016/j.wneu.2013.01.127] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 11/08/2012] [Accepted: 01/30/2013] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Single fraction stereotactic radiosurgery (SRS) is a common adjuvant therapy for hormonally active pituitary adenomas when surgical resection fails to control tumor growth or normalize hypersecretory activity. Marginal doses of 20-24 Gy are used at many centers and here we report our outcome data in patients treated with a higher marginal dose of 35 Gy. METHODS Thirty-one patients with secretory pituitary adenomas (adrenocorticotropic hormone, n = 15; growth hormone, n = 13; prolactin, n = 2; thyroid-stimulating hormone, n = 1) were treated with 35 Gy to the 50% isodose line, and had a mean follow-up time of 40.2 months (range = 12-96). All patients were evaluated post-SRS for time to hormonal normalization, time to relapse, as well as incidence and time course of radiation-induced hypopituitarism and cranial neuropathies. RESULTS Initial normalization of hypersecretion was achieved in 22 patients (70%) with a median time to remission of 17.7 months. After initial hormonal remission, 7 patients (32%) experienced an endocrine relapse, with a mean time to relapse of 21 months. New endocrine deficiency within any of the five major hormonal axes occurred in 10 patients (32%). One patient (3%) developed new-onset unilateral optic nerve pallor within the temporal field 3 years after SRS. Three patients (10%) reported transient new or increasing frontal headaches of unclear etiology following their procedures. CONCLUSION Time to endocrine remission was more rapid in patients treated with 35 Gy, as compared to previously reported literature using marginal doses of 20-24 Gy. Rates of endocrine remission and relapse, post-SRS hypopituitarism, and radiation-induced sequelae were not increased following higher dose treatment.
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Affiliation(s)
- Ryan A Grant
- Department of Neurosurgery, Yale University School of Medicine and Yale-New Haven Medical Center, New Haven, Connecticut, USA
| | - Margaret Whicker
- Department of Neurosurgery, Yale University School of Medicine and Yale-New Haven Medical Center, New Haven, Connecticut, USA
| | - Ranee Lleva
- Section of Endocrinology, Yale University School of Medicine and Yale-New Haven Medical Center, New Haven, Connecticut, USA
| | | | - Silvio E Inzucchi
- Section of Endocrinology, Yale University School of Medicine and Yale-New Haven Medical Center, New Haven, Connecticut, USA
| | - Veronica L Chiang
- Department of Neurosurgery, Yale University School of Medicine and Yale-New Haven Medical Center, New Haven, Connecticut, USA.
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20
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Noël G, Bauer N, Clavier JB, Guihard S, Lim O, Jastaniah Z. [Stereotactic radiotherapy of intracranial benign tumors]. Cancer Radiother 2012; 16:410-7. [PMID: 22921979 DOI: 10.1016/j.canrad.2012.07.179] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Revised: 06/22/2012] [Accepted: 07/05/2012] [Indexed: 11/25/2022]
Abstract
Stereotactic radiotherapy can be delivered in one fraction or in multiple fractions schedule. It is used in benign tumours such as meningiomas, mainly localized in the base of the skull, for acoustic schwannoma and pituitary tumours. Whatever the tumour, results with the Gamma Knife(®) are the most numerous, but those obtained by linear accelerators, adapted or dedicated, are comparable. The peripheral dose is preferred to the dose delivered to the isocentre. One fraction stereotactic irradiation should be proposed in small lesions and fractionated treatment for tumours larger. Whatever the tumour, the results are satisfactory with a control rate of 90%. However, this value reflects a disparity assessment, radiological stability for meningiomas, radiological stability and preservation of useful hearing in schwannoma and radiological stability and a decrease in hormonal secretions for pituitary adenomas. Overall complication rates are low. In total, the treatment of benign lesions with stereotactic irradiation gives satisfactory results with few complications.
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Affiliation(s)
- G Noël
- Département universitaire de radiothérapie, centre de lutte contre le cancer Paul-Strauss, Strasbourg, France.
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21
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Abstract
This article presents management options for the patient with acromegaly after noncurative surgery. The current evidence for repeat surgery, adjuvant medical therapy with somatostatin analogues, dopamine agonists, the growth hormone receptor antagonist pegvisomant, combination medical therapy, and radiotherapy in the context of persistent postoperative disease are summarized. The relative advantages and disadvantages of each of these treatment modalities are explored, and a general treatment algorithm that integrates these modalities is proposed.
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Affiliation(s)
- Nestoras Mathioudakis
- Johns Hopkins University School of Medicine, Division of Endocrinology & Metabolism, Department of Medicine, Baltimore, MD 21287, USA
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22
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Kim W, Clelland C, Yang I, Pouratian N. Comprehensive review of stereotactic radiosurgery for medically and surgically refractory pituitary adenomas. Surg Neurol Int 2012; 3:S79-89. [PMID: 22826820 PMCID: PMC3400491 DOI: 10.4103/2152-7806.95419] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2012] [Accepted: 03/22/2012] [Indexed: 12/13/2022] Open
Abstract
Despite advances in surgical techniques and medical therapies, a significant proportion of pituitary adenomas remain endocrinologically active, demonstrate persistent radiographic disease, or recur when followed for long periods of time. While surgical intervention remains the first-line therapy, stereotactic radiosurgery is increasingly recognized as a viable treatment option for these often challenging tumors. In this review, we comprehensively review the literature to evaluate both endocrinologic and radiographic outcomes of radiosurgical management of pituitary adenomas. The literature clearly supports the use of radiosurgery, with endocrinologic remission rates and time to remission varying by tumor type [prolactinoma: 20–30%, growth hormone secreting adenomas: ~50%, adrenocorticotrophic hormone (ACTH)-secreting adenomas: 40–65%] and radiographic control rates almost universally greater than 90% with long-term follow-up. We stratify the outcomes by tumor type, review the importance of prognostic factors (particularly, pre-treatment endocrinologic function and tumor size), and discuss the complications of treatment (with special attention to endocrinopathy and visual complications). We conclude that the literature supports the use of radiosurgery for treatment-refractory pituitary adenomas, providing the patient with a minimally invasive, safe, and effective treatment option for an otherwise resistant tumor. As such, we provide literature-based treatment considerations, including radiosurgical dose, endocrinologic, radiographic, and medical considerations for each adenoma type.
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Affiliation(s)
- Won Kim
- Department of Neurosurgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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23
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Chanson P, Kamenický P. [Treatment of acromegaly: a critical analysis of the last ten years]. ANNALES D'ENDOCRINOLOGIE 2012; 73:99-106. [PMID: 22521857 DOI: 10.1016/j.ando.2012.03.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The ten previous years in terms of acromegaly treatment were essentially characterized by the experience accumulated with new formulations of somatostatin analogues or new drugs such GH-receptor antagonists recently available. Surgery remains the first-line treatment and its results did not change despite the generalization of endoscopy, which mainly seems to decrease local side-effects. The setting of radiotherapy was essentially modified by the increasing use of gamma-knife or stereotactic radiotherapy; however, their results are essentially the same as the classic fractionated, conventional radiotherapy and nobody knows if it will decrease the side-effects of this therapeutic modality. Nevertheless, thanks to a multistep therapeutic strategy, combining the different therapeutic modalities, it has become very rare for acromegaly not to be controlled in a patient.
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Affiliation(s)
- Philippe Chanson
- Service d'endocrinologie et des maladies de la reproduction, faculté de médecine Paris-Sud, université Paris XI, hôpital de Bicêtre, Assistance Publique-Hôpitaux de Paris, Le Kremlin-Bicêtre, France.
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24
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Rolston JD, Blevins LS. Gamma knife radiosurgery for acromegaly. Int J Endocrinol 2012; 2012:821579. [PMID: 22518132 PMCID: PMC3296174 DOI: 10.1155/2012/821579] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2011] [Revised: 11/18/2011] [Accepted: 11/23/2011] [Indexed: 11/17/2022] Open
Abstract
Acromegaly is debilitating disease occasionally refractory to surgical and medical treatment. Stereotactic radiosurgery, and in particular Gamma Knife surgery (GKS), has proven to be an effective noninvasive adjunct to traditional treatments, leading to disease remission in a substantial proportion of patients. Such remission holds the promise of eliminating the need for expensive medications, along with side effects, as well as sparing patients the damaging sequelae of uncontrolled acromegaly. Numerous studies of radiosurgical treatments for acromegaly have been carried out. These illustrate an overall remission rate over 40%. Morbidity from radiosurgery is infrequent but can include cranial nerve palsies and hypopituitarism. Overall, stereotactic radiosurgery is a promising therapy for patients with acromegaly and deserves further study to refine its role in the treatment of affected patients.
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Affiliation(s)
- John D. Rolston
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, CA 94143-0112, USA
- *John D. Rolston:
| | - Lewis S. Blevins
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, CA 94143-0112, USA
- California Center for Pituitary Disorders, University of California, San Francisco, San Francisco, CA 94143-0350, USA
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25
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Marquez Y, Tuchman A, Zada G. Surgery and radiosurgery for acromegaly: a review of indications, operative techniques, outcomes, and complications. Int J Endocrinol 2012; 2012:386401. [PMID: 22518121 PMCID: PMC3303541 DOI: 10.1155/2012/386401] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2011] [Accepted: 12/21/2011] [Indexed: 12/11/2022] Open
Abstract
Among multimodality treatments for acromegaly, the goals of surgical intervention are to balance maximal tumor resection while preserving normal pituitary function and maintaining patient safety. The resection of growth hormone-(GH-) secreting pituitary adenomas in the hands of experienced surgeons results in hormonal remission in 50-70% of patients. Acromegalic patients often have medical comorbidities and anatomical variations complicating anesthesia and surgical management. Despite these challenges, complications such as CSF leak or new hypopituitarism following surgery remain uncommon. Over the past decade, endoscopic approaches to pituitary tumors have improved visualization and facilitated identification of additional tumor using angled telescopes. Patients with persistent acromegaly following surgery require continued medical and/or radiation-based interventions. The adjunctive use of stereotactic radiosurgery offers hormonal remission in 40-50% of patients. In this article, the current preoperative evaluation, indications for surgery, surgical approaches, role of radiosurgery, complications, and remission criteria following operative resection of GH adenomas are reviewed.
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Affiliation(s)
- Yvette Marquez
- Department of Neurosurgery, Keck School of Medicine, USC Medical Center, University of Southern California, 1200 North State Street, Suite 3300, Los Angeles, CA 90033, USA
- *Yvette Marquez:
| | - Alexander Tuchman
- Department of Neurosurgery, Keck School of Medicine, USC Medical Center, University of Southern California, 1200 North State Street, Suite 3300, Los Angeles, CA 90033, USA
| | - Gabriel Zada
- Department of Neurosurgery, Keck School of Medicine, USC Medical Center, University of Southern California, 1200 North State Street, Suite 3300, Los Angeles, CA 90033, USA
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