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Nakajo M, Jinguji M, Ito S, Tani A, Hirahara M, Yoshiura T. Clinical application of 18F-fluorodeoxyglucose positron emission tomography/computed tomography radiomics-based machine learning analyses in the field of oncology. Jpn J Radiol 2024; 42:28-55. [PMID: 37526865 PMCID: PMC10764437 DOI: 10.1007/s11604-023-01476-1] [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: 07/10/2023] [Accepted: 07/18/2023] [Indexed: 08/02/2023]
Abstract
Machine learning (ML) analyses using 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) radiomics features have been applied in the field of oncology. The current review aimed to summarize the current clinical articles about 18F-FDG PET/CT radiomics-based ML analyses to solve issues in classifying or constructing prediction models for several types of tumors. In these studies, lung and mediastinal tumors were the most commonly evaluated lesions, followed by lymphatic, abdominal, head and neck, breast, gynecological, and other types of tumors. Previous studies have commonly shown that 18F-FDG PET radiomics-based ML analysis has good performance in differentiating benign from malignant tumors, predicting tumor characteristics and stage, therapeutic response, and prognosis by examining significant differences in the area under the receiver operating characteristic curves, accuracies, or concordance indices (> 0.70). However, these studies have reported several ML algorithms. Moreover, different ML models have been applied for the same purpose. Thus, various procedures were used in 18F-FDG PET/CT radiomics-based ML analysis in oncology, and 18F-FDG PET/CT radiomics-based ML models, which are easy and universally applied in clinical practice, would be expected to be established.
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Affiliation(s)
- Masatoyo Nakajo
- Department of Radiology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan.
| | - Megumi Jinguji
- Department of Radiology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Soichiro Ito
- Department of Radiology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Atushi Tani
- Department of Radiology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Mitsuho Hirahara
- Department of Radiology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Takashi Yoshiura
- Department of Radiology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
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Tatar G, Alçın G, Erol Fenercioğlu Ö, Şahin R, Çermik TF. Findings of I-131 SPECT/CT, 18F-FDG, and 68Ga-FAPI-04 PET/CT Imaging in a Patient Treated with Radioiodine Therapy for Metastatic Papillary Thyroid Carcinoma. Mol Imaging Radionucl Ther 2023; 32:57-61. [PMID: 36819619 PMCID: PMC9950682 DOI: 10.4274/mirt.galenos.2022.02438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Abstract
A 50-year-old man undergone total thyroidectomy and histopathology revealed papillary thyroid carcinoma with a tumor size of 4.5 cm. The patient was referred to a nuclear medicine clinic for radioiodine therapy. Since the thyroglobulin level before the treatment was 495 ug/L, low-dose (185 MBq) I-131 scan was performed. In addition to multiple liver metastases, bone metastases were detected in the sacrum and right 7th rib in I-131 whole body scanning and single photon emission computed tomography/computed tomography (CT) imaging at the time of initial staging. We present a case of multiple metastatic papillary thyroid carcinoma whose radioiodine treatment response and clinical outcome were evaluated with 18F-fluorodeoxyglucose and Gallium-68 FAPI-04 positron emission tomography/CT.
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Affiliation(s)
- Gamze Tatar
- University of Health Sciences Turkey, İstanbul Bağcılar Training and Research Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey,* Address for Correspondence: University of Health Sciences Turkey, İstanbul Bağcılar Training and Research Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey Phone: +90 212 444 40 00 E-mail:
| | - Göksel Alçın
- University of Health Sciences Turkey, İstanbul Training and Research Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
| | - Özge Erol Fenercioğlu
- University of Health Sciences Turkey, İstanbul Training and Research Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
| | - Rahime Şahin
- University of Health Sciences Turkey, İstanbul Training and Research Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
| | - Tevfik Fikret Çermik
- University of Health Sciences Turkey, İstanbul Training and Research Hospital, Clinic of Nuclear Medicine, İstanbul, Turkey
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Muller S, Senne M, Kirschniak A, Königsrainer A, Bares R, Falch C. Impact of surgical resection extension on outcome for primary well-differentiated thyroid cancer-a retrospective analysis. World J Surg Oncol 2017; 15:190. [PMID: 29065879 PMCID: PMC5655869 DOI: 10.1186/s12957-017-1261-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 10/09/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The surgical resection extension in well-differentiated thyroid cancer is controversially discussed with the possibility of an overtreatment on the one hand against the risk of local disease recurrence. The aim of this study is to evaluate how the surgical resection extension with the adjunction of radioiodine therapy affects postoperative morbidity and the oncologic outcome of patients primarily treated for well-differentiated thyroid cancer. METHODS All patients undergoing primary surgery for a well-differentiated, non-recurrent thyroid cancer from January 2005 to April 2013 at Tuebingen University Hospital were retrospectively analyzed. RESULTS Papillary thyroid cancer (PTC) was present in 73 patients (including 27 papillary microcarinoma) and follicular thyroid cancer in 14 patients. Fifty-six of 87 patients (64%) underwent one-stage surgery, of which 26 patients (30%) received simultaneous lymph node dissection (LND). The remaining 31 patients (36%) underwent a two-stage completion surgery (29 patients with LND). Only in three patients a single lymph node metastasis was newly detected during two-stage completion surgery. Patients with LND at either one-stage and two-stage completion surgery had a significant higher rate of transient postoperative hypocalcemia. Postoperative adjuvant radioiodine therapy was performed in 68 of 87 patients (78%). After a median follow-up of 69 months [range 9-104], one local recurrence was documented in a patient suffering from PTC 23 months after surgery. CONCLUSION No prophylactic two-stage lymphadenectomy should be performed in case of well-differentiated thyroid cancer to avoid unnecessary complication without any proven oncologic benefit.
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Affiliation(s)
- S Muller
- Department of General, Visceral and Transplant Surgery, Tuebingen University Hospital, Hoppe-Seyler Str. 3, 72076, Tuebingen, Germany.
| | - M Senne
- Department of General, Visceral and Transplant Surgery, Tuebingen University Hospital, Hoppe-Seyler Str. 3, 72076, Tuebingen, Germany
| | - A Kirschniak
- Department of General, Visceral and Transplant Surgery, Tuebingen University Hospital, Hoppe-Seyler Str. 3, 72076, Tuebingen, Germany
| | - A Königsrainer
- Department of General, Visceral and Transplant Surgery, Tuebingen University Hospital, Hoppe-Seyler Str. 3, 72076, Tuebingen, Germany
| | - R Bares
- Department of Nuclear Medicine and Clinical Molecular Imaging, University Hospital Tuebingen, Tuebingen, Germany
| | - C Falch
- Department of General, Visceral and Transplant Surgery, Tuebingen University Hospital, Hoppe-Seyler Str. 3, 72076, Tuebingen, Germany
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Yang JH, Maciel RMB, Nakabashi CCD, Janovsky CCPS, Padovani RP, Macellaro D, Camacho CP, Osawa A, Wagner J, Biscolla RPM. Clinical utility of 18F-FDG PET/CT in the follow-up of a large cohort of patients with high-risk differentiated thyroid carcinoma. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2017; 61:416-425. [PMID: 28977157 PMCID: PMC10522253 DOI: 10.1590/2359-3997000000285] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 03/18/2017] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To evaluate the clinical utility of 18F-FDG PET/CT in patients with high-risk DTC. SUBJECTS AND METHODS Single-center retrospective study with 74 patients with high-risk differentiated thyroid cancer (DTC), classified in 4 groups. Group 1: patients with positive sTg or TgAb, subdivided in Group 1A: negative RxWBS and no foci of metastases identified at conventional image (n = 9); Group 1B: RxWBS not compatible with suspicious foci at conventional image or not proportional to sTg level (n = 13); Group 2: patients with histological findings of aggressive DTC variants (n = 21) and Group 3: patients with positive RxWBS (n = 31). RESULTS 18F-FDG PET/CT identified undifferentiated lesions and helped restage the disease in groups 1B and 2. The scan helped guide clinical judgment in 9/13 (69%) patients of group 1B, 10/21 (48%) patients of group 2 and 2/31 (6%) patients of group 3. There was no clinical benefit associated with group 1A. 18F-FDG PET/CT was associated with progressive disease. CONCLUSION 18F-FDG PET/CT is a useful tool in the follow-up of patients with high-risk DTC, mainly in the group of RxWBS not compatible with suspicious foci at conventional image or not proportional to sTg level and in those with aggressive DTC variants. Additionally, this study showed that 18F-FDG PET/CT was associated with progression and helped display undifferentiated lesions guiding clinical assessments regarding surgeries or expectant treatments.
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Affiliation(s)
- Ji H. Yang
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Rui M. B. Maciel
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Claudia C. D. Nakabashi
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Carolina C. P. S. Janovsky
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Rosalia P. Padovani
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Danielle Macellaro
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Cléber P. Camacho
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
| | - Akemi Osawa
- Departamento de ImagemHospital Israelita Albert EinsteinSão PauloSPBrazilDepartamento de Imagem, Hospital Israelita Albert Einstein (HIAE), São Paulo, SP, Brazil
| | - Jairo Wagner
- Departamento de ImagemHospital Israelita Albert EinsteinSão PauloSPBrazilDepartamento de Imagem, Hospital Israelita Albert Einstein (HIAE), São Paulo, SP, Brazil
| | - Rosa Paula M. Biscolla
- Divisão de EndocrinologiaDepartamento de Medicina, Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazilCentro de Doenças da Tireoide e Laboratório de Endocrinologia Molecular e Translacional, Divisão de Endocrinologia, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM-Unifesp), São Paulo, SP, Brazil
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Araz M, Çayır D. 18F-Fluorodeoxyglucose-Positron Emission Tomography/Computed Tomography for Other Thyroid Cancers: Medullary, Anaplastic, Lymphoma and So Forth. Mol Imaging Radionucl Ther 2017; 26:1-8. [PMID: 28291004 PMCID: PMC5350500 DOI: 10.4274/mirt.60783] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Positron emission tomography/computed tomography (PET/CT) with 18F-fluorodeoxyglucose (FDG) is used in staging, restaging, and evaluation of therapy response in many cancers as well as differentiated thyroid carcinomas especially in non-iodine avid variants. Its potential in less frequent thyroid tumors like medullary, anaplastic thyroid cancers, thyroid lymphoma and metastatic tumors of the thyroid however, is not well established yet. The aim of this review is to provide an overview on the recent applications and indications of 18F-FDG PET/CT in these tumors and to focus on the controversies in the clinical setting.
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Affiliation(s)
- Mine Araz
- Dışkapı Yıldırım Beyazıt Training and Research Hospital, Clinic of Nuclear Medicine, Ankara, Turkey Phone: +90 532 666 73 13 E-mail:
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Singh I, Bikas A, Garcia CA, Desale S, Wartofsky L, Burman KD. 18F-FDG-PET SUV AS A PROGNOSTIC MARKER OF INCREASING SIZE IN THYROID CANCER TUMORS. Endocr Pract 2016; 23:182-189. [PMID: 27849386 DOI: 10.4158/ep161390.or] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Positron emission tomography/computed tomography (PET/CT) scans with 2-[fluorine-18] fluoro-2-deoxy-D-glucose (18F-FDG) are used in high-risk thyroid cancer patients to identify metastasis. The prognostic significance of increases in standardized uptake values (SUVs) has not been clearly defined. This pilot study investigated the correlation between SUV increases and subsequent changes in individual lesion size. METHODS A retrospective chart review of patients with histologically confirmed thyroid cancer who were monitored with serial 18F-FDG-PET/CT scans from 2008 to 2013 was performed. Forty-seven patients were selected for analysis. A mixed-effects statistical model was used after data normalization. RESULTS For a 10% increase in SUV, a 6% increase in tumor area was observed (P<.0001). Analysis on cube root-transformed data from serial scans was significant in 4 of 5 groups: scans 1 to 2 (P = .0001), scans 2 to 3 (P = .0005), scans 3 to 4 (P = .008), scans 4 to 5 (P = .66), and overall (P<.0001). After exclusion of outliers, for a 10% increase in SUV, the expected percentage increases in area on subsequent scans were found to be 3.4% (P = .0006), 2.6% (P = .005), 4% (P = .074), and 4.1% (P = .27) for the second, third, fourth, and fifth scans, respectively. The association was similarly significant in cases with a ≥25% increase in SUV. Secondary analysis showed a significant association of SUV with thyroglobulin (Tg) level (P = .035) but not with thyroid-stimulating hormone (TSH) level (P = .85). CONCLUSIONS A significant positive correlation was noted between the increase in lesional SUV and subsequent increase in lesion area. An increase in lesional SUV in subsequent scans may portend tumor growth and could prompt consideration for earlier or more aggressive intervention. ABBREVIATIONS DTC = differentiated thyroid cancer EORTC = European Organization for Research and Treatment of Cancer 18F-FDG = 2-[fluorine-18] fluoro-2-deoxy-D-glucose FNA = fine-needle aspiration MTC = medullary thyroid cancer PET/CT = positron emission tomography/computed tomography PVE = partial volume effect RAI = radioactive iodine SUV = standardized uptake value Tg = thyroglobulin TSH = thyroid-stimulating hormone.
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Muros de Fuentes M, Mitjavila Casanovas M, Estorch Cabrera M, Lecumberri Santamaria B, Navarro González E. Usefulness of 18 F-FDG PET/CT in thyroid carcinoma. Rev Esp Med Nucl Imagen Mol 2016. [DOI: 10.1016/j.remnie.2016.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Muros de Fuentes MA, Mitjavila Casanovas M, Estorch Cabrera M, Lecumberri Santamaria B, Navarro González E. Usefulness of 18F-FDG PET/CT in thyroid carcinoma. Rev Esp Med Nucl Imagen Mol 2016; 35:186-92. [PMID: 26944558 DOI: 10.1016/j.remn.2016.01.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 01/27/2016] [Accepted: 01/27/2016] [Indexed: 12/14/2022]
Affiliation(s)
- M A Muros de Fuentes
- Servicio de Medicina Nuclear, Hospital Universitario Virgen de las Nieves, Granada, España.
| | - M Mitjavila Casanovas
- Servicio de Medicina Nuclear, Hospital Universitario Puerta de Hierro, Madrid, España
| | - M Estorch Cabrera
- Servicio de Medicina Nuclear, Hospital de la Santa Creu i Sant Pau, Barcelona, España
| | | | - E Navarro González
- Servicio de Endocrinología. Hospital Universitario Virgen del Rocío, Sevilla, España
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Triviño Ibáñez EM, Muros MA, Torres Vela E, Llamas Elvira JM. The role of early 18F-FDG PET/CT in therapeutic management and ongoing risk stratification of high/intermediate-risk thyroid carcinoma. Endocrine 2016. [PMID: 26224589 DOI: 10.1007/s12020-015-0708-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Little is known about the role in ongoing risk stratification of fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) performed early after radioactive iodine (RAI) ablation in differentiated thyroid carcinoma (DTC). The aim of the study is to investigate whether 18F-FDG PET/CT performed early after RAI ablation is useful to detect disease and to influence therapy and ongoing risk stratification. Patients with high/intermediate risk of recurrent DTC were included. 18F-FDG PET/CT scan was performed within 6 months after RAI ablation. We confirmed results with other imaging techniques, pathology reports, or follow-up. We classified the patient response as excellent, acceptable, or incomplete. Modified Hicks criteria were used to evaluate clinical impact. We included 81 patients with high/intermediate risk of recurrent DTC. Forty-one (50.6%) had positive uptake in 18F-FDG PET/CT, with negative (131)I whole-body scan ((131)I WBS). Sensitivity, specificity, and diagnostic accuracy of 18F-FDG PET/CT were 92.5, 90.2, and 91.4%, respectively. 18F-FDG PET/CT results had an impact on therapy in 38.3% of patients. One year after initial therapy, 45.7% showed excellent response, 8.6% acceptable response, and 45.7% incomplete response. A statistically significant relationship was found between negative 18F-FDG PET/CT and excellent response (80 vs. 12.2%, p < 0.001; OR 52.8). 18F-FDG PET/CT scan performed early in surveillance of patients with high/intermediate-risk thyroid carcinoma provides important additional information not available with conventional follow-up methods and had a high impact on therapy. A negative 18F-FDG PET/CT predicts an excellent response to therapy in the new ongoing risk stratification.
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Affiliation(s)
- E M Triviño Ibáñez
- Department of Nuclear Medicine, Virgen de las Nieves University Hospital, Granada, Spain.
| | - M A Muros
- Department of Nuclear Medicine, Virgen de las Nieves University Hospital, Granada, Spain
| | - E Torres Vela
- Department of Endocrinology and Metabolism, San Cecilio University Hospital, Granada, Spain
| | - J M Llamas Elvira
- Department of Nuclear Medicine, Virgen de las Nieves University Hospital, Granada, Spain
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Multimodal imaging with (18)F-FDG-PET/CT and (111)In-Octreotide SPECT in patients with metastatic medullary thyroid carcinoma. Ann Nucl Med 2016; 30:234-41. [PMID: 26753628 DOI: 10.1007/s12149-015-1056-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 12/13/2015] [Indexed: 01/05/2023]
Abstract
OBJECTIVE The aim of our study was to determine the role of fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG-PET/CT) and indium-111 Octreotide single photon emission tomography ((111)In-Octreotide SPECT) in the evaluation of metastatic medullary thyroid carcinoma (MMTC). METHODS Twenty-five MMTC patients were retrospectively evaluated. All patients had undergone whole-body (18)F-FDG-PET/CT including 20 who had also undergone (111)In-Octreotide SPECT within a maximum interval of 6 weeks. Diagnostic contrast-enhanced computed tomography (CT) alone or as part of (18)F-FDG-PET/CT examination was performed in all patients. RESULTS Contrast-enhanced CT detected a total of 131 lesions including 79 enlarged lymph nodes and 14 bone lesions. (18)F-FDG-PET/CT visualized a total of 92 true positive lesions (SUVmax range 1.1-10.0, mean 4.0 ± 1.7) including 66 lymph nodes, 7 of which were not enlarged on CT, and 8 bone metastases. In the 20 patients studied with both techniques, a total of 64 and 46 true positive lesions were detected by (18)F-FDG-PET/CT and (111)In-Octreotide SPECT, respectively. In particular, (18)F-FDG uptake was found in 43 lymph nodes and in 7 bone metastases whereas (111)In-Octreotide uptake was detected in 27 lymph nodes and in 10 bone metastases. CONCLUSIONS In MMTC patients, (18)F-FDG-PET/CT provides a useful contribution mainly in evaluating lymph node involvement whereas (111)In-Octreotide SPECT can contribute to the detection and somatostatin receptor characterization especially of bone lesions.
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Wiebel JL, Esfandiari NH, Papaleontiou M, Worden FP, Haymart MR. Evaluating Positron Emission Tomography Use in Differentiated Thyroid Cancer. Thyroid 2015; 25:1026-32. [PMID: 26133765 PMCID: PMC4560853 DOI: 10.1089/thy.2015.0062] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Using the Surveillance, Epidemiology, and End Results-Medicare database, a substantial increase was found in the use of positron emission tomography (PET) scans after 2004 in differentiated thyroid cancer (DTC) patients. The reason for the increased utilization of the PET scan was not clear based on available the data. Therefore, the indications for and outcomes of PET scans performed at an academic institution were evaluated. METHODS A retrospective cohort study was performed of DTC patients who underwent surgery at the University of Michigan Health System from 2006 to 2011. After identifying patients who underwent a PET scan, indications, rate of positive PET scans, and impact on management were evaluated. For positive scans, the location of disease was characterized, and presence of disease on other imaging was determined. RESULTS Of the 585 patients in the cohort, 111 (19%) patients had 200 PET scans performed for evaluation of DTC. Indications for PET scan included: elevated thyroglobulin and negative radioiodine scan in 52 scans (26.0%), thyroglobulin antibodies in 13 scans (6.5%), rising thyroglobulin in 18 scans (9.0%), evaluation of abnormality on other imaging in 22 scans (11.0%), evaluation of extent of disease in 33 scans (16.5%), follow-up of previous scan in 57 scans (28.5%), other indications in two scans (1.0%), and unclear indications in three scans (1.5%). The PET scan was positive in 124 studies (62.0%); positivity was identified in the thyroid bed on 25 scans, cervical or mediastinal lymph nodes on 105 scans, lung on 28 scans, bone on four scans, and other areas on 14 scans. Therapy following PET scan was surgery in 66 cases (33.0%), chemotherapy or radiation in 23 cases (11.5%), observation in 110 cases (55.0%), and palliative care in one case (0.5%). Disease was identifiable on other imaging in 66% of cases. PET scan results changed management in 59 cases (29.5%). CONCLUSIONS In this academic medical center, the PET scan was utilized in 19% of patients. Indications for the PET scan included conventional indications, such as elevated thyroglobulin with noniodine avid disease, and more controversial uses, such as evaluation of extent of disease or abnormalities on other imaging tests. PET scan results changed management in about 30% of cases.
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Affiliation(s)
- Jaime L. Wiebel
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan
| | - Nazanene H. Esfandiari
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan
| | - Maria Papaleontiou
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan
| | - Francis P. Worden
- Division of Hematology/Oncology, University of Michigan, Ann Arbor, Michigan
| | - Megan R. Haymart
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan
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Marcus C, Antoniou A, Rahmim A, Ladenson P, Subramaniam RM. Fluorodeoxyglucose positron emission tomography/computerized tomography in differentiated thyroid cancer management: Importance of clinical justification and value in predicting survival. J Med Imaging Radiat Oncol 2015; 59:281-8. [PMID: 25676871 DOI: 10.1111/1754-9485.12286] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 12/26/2014] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The purpose of this study was to evaluate the added value of follow-up fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) to clinical assessment and predicting survival outcome in patients with differentiated thyroid cancers. METHODS This is an institutional review board approved, retrospective study of 202 biopsy-proven thyroid cancer patients at a single tertiary centre. A total of 327 follow-up or surveillance PET/CT scans done 6 or more months from initial treatment completion were included in this study. Median follow-up from completion of primary treatment was 94 months (range, 6.17-534.1 months). Overall survival benefit was measured using Kaplan-Meier plots with a Mantel-Cox log-rank test. Multivariate Cox regression model is provided with clinical covariates. RESULTS Of the 327 PET/CT scans from 202 patients, 161 were positive and 166 as negative for recurrence or metastasis. A total of 23 patients died during the study period. Patients with a positive PET/CT scan had shorter overall survival than those who had a negative scan (P < 0.0001, hazard ratio 6.1 (3.0-14.3) ). In the context of clinical assessment, PET/CT identified recurrence in 50% (25/50) of scans without prior clinical suspicion and ruled out recurrence in 36.8% (102/277) of scans with prior clinical suspicion. In a multivariate Cox regression model, factors associated with overall survival were stage (P < 0.0001), time to scan (P = 0.0005) and PET/CT result (P < 0.0001). CONCLUSION FDG PET/CT performed in follow-up more than 6 months from primary treatment completion adds value to clinical judgment and a prognostic marker of overall survival in thyroid cancer patients.
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Affiliation(s)
- Charles Marcus
- Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Alexander Antoniou
- Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Arman Rahmim
- Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Paul Ladenson
- Department of Endocrinology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.,Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Rathan M Subramaniam
- Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.,Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.,Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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Wiebel JL, Banerjee M, Muenz DG, Worden FP, Haymart MR. Trends in imaging after diagnosis of thyroid cancer. Cancer 2015; 121:1387-94. [PMID: 25565063 DOI: 10.1002/cncr.29210] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 11/24/2014] [Accepted: 11/25/2014] [Indexed: 11/06/2022]
Abstract
BACKGROUND The largest growth noted among differentiated thyroid cancer (DTC) diagnosis is in low-risk cancers. Trends in imaging after the diagnosis of DTC are understudied. Hypothesizing a reduction in imaging use due to rising low-risk disease, the authors evaluated postdiagnosis imaging patterns over time and patient characteristics that are associated with the likelihood of imaging. METHODS Using the Surveillance, Epidemiology, and End Results-Medicare database, the authors identified patients diagnosed with localized, regional, or distant DTC between 1991 and 2009. Medicare claims were reviewed for use of neck ultrasound, iodine-131 (I-131) scan, or positron emission tomography (PET) scan within 3 years after diagnosis. Trends in imaging use were evaluated using regression analyses. Multivariable logistic regression was used to estimate the likelihood of imaging based on patient characteristics. RESULTS A total of 23,669 patients were included. Compared with patients diagnosed between 1991 and 2000, those diagnosed between 2001 and 2009 were more likely to have localized disease (P<.001) and tumors measuring <1 cm (P<.001). Use of neck ultrasound and I-131 scans increased in patients with localized disease (P ≤.001 and P = .003, respectively), regional disease (P<.001 and P<.001, respectively), and distant metastasis (P = .001 and P = .015, respectively). Patients diagnosed after 2000 were more likely to undergo neck ultrasound (odds ratio, 2.15; 95% confidence interval, 2.02-2.28) and I-131 scan (odds ratio, 1.44; 95% confidence interval, 1.35-1.54). Compared with 1996 through 2004, PET scan use from 2005 to 2009 increased 32.4-fold (P≤.001) in patients with localized disease, 13.1-fold (P<.001) in patients with regional disease, and 33.4-fold (P<.001) in patients with distant DTC. CONCLUSIONS Despite an increase in the diagnosis of low-risk disease, the use of postdiagnosis imaging increased among patients with all stages of disease. The largest growth observed was in the use of PET after 2004.
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Affiliation(s)
- Jaime L Wiebel
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan
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14
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Antoniou AJ, Marcus C, Subramaniam RM. Value of Imaging in Head and Neck Tumors. Surg Oncol Clin N Am 2014; 23:685-707. [DOI: 10.1016/j.soc.2014.07.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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15
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Madani A, Jozaghi Y, Tabah R, How J, Mitmaker E. Rare metastases of well-differentiated thyroid cancers: a systematic review. Ann Surg Oncol 2014; 22:460-6. [PMID: 25192681 DOI: 10.1245/s10434-014-4058-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Indexed: 12/19/2022]
Abstract
BACKGROUND A minority of metastatic well-differentiated thyroid cancer (WDTC) patients present with end-organ disease other than in the lung, bone or lymph nodes. These metastases tend to be overlooked because of their low incidence, and this results in delayed diagnosis. The purpose of this study was to perform a systematic review of the clinical and histologic features of unusual WDTC metastases. METHODS A systematic literature search of bibliographic databases, reference lists of articles, and conference proceedings was performed up to 2013. Studies were included if they reported on adult patients with WDTC and pathology-proven metastases to end-organs other than lung, bone, or lymph nodes. A total of 238 studies were included in a qualitative analysis. Data is expressed as N (%) and median [interquartile range]. RESULTS A total of 492 patients (median age, 62 years [50-70 years]) were identified in 197 case reports and 42 case series. There were 22 different end-organ metastatic sites documented with either papillary [255 (57 %)], follicular [172 (39 %)], or Hürthle-cell [18 (4 %)] histology. A total of 181 (41 %) patients presented with solitary metastasis and 54 (93 %) with elevated serum thyroglobulin. Positron emission tomography and whole-body radioactive iodine scans revealed hypermetabolic foci in 28 (97 %) and 50 (81 %) cases, respectively. Disease-free interval following the initial diagnosis of the primary thyroid cancer was highly variable, ranging from synchronous presentation [66 (33 %)] to metachronous disease after 516 months [mean 86 months (SD 90)]. CONCLUSIONS WDTC can manifest with highly variable and unusual clinical features. Rare sites of metastases should be considered in the absence of the more common extra-cervical disease recurrence locations.
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Affiliation(s)
- Amin Madani
- Division of General Surgery, McGill University, Montreal, QC, Canada,
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Diagnostic value of 18F-FDG PET/CT in patients with TENIS syndrome: correlation with thyroglobulin levels. Ann Nucl Med 2013; 28:241-7. [PMID: 24379008 DOI: 10.1007/s12149-013-0801-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 12/17/2013] [Indexed: 01/08/2023]
Abstract
OBJECTIVE The aim of the study was to disclose the place of (18)F-FDG PET/CT to predict recurrent disease in patients with differentiated thyroid cancer (DTC), negative radioiodine whole-body scan (WBS) and high serum thyroglobulin (Tg). METHODS Seventy-one patients who underwent total thyroidectomy followed by radioactive iodine ablation and had negative radioiodine WBS but elevated Tg levels underwent PET/CT. They were followed up for 6-50 months (median 23) for the occurence of recurrent disease as detected by either clinical findings, other imaging modalities or histopathological examination. The place of PET/CT findings at baseline to predict the presence of recurrent disease was evaluated. Correlation between PET/CT findings and Tg levels was examined and a threshold for Tg level above which the predictive value of PET/CT was highest was determined. RESULTS PET/CT was positive for recurrent disease in 38 (53.5%) patients. The sensitivity, specificity, PPV, NPV and diagnostic accuracy of PET/CT to predict the occurence of recurrent disease at follow-up were 68.8, 78.3, 86.8, 54.5 and 71.9%, respectively. The sensitivity, accuracy and PPV of PET/CT increased with increasing Tg levels. The highest diagnostic accuracy of PET/CT, with a sensitivity of 76.2% and a specificity of 100% to detect recurrent disease appeared to be at a Tg level greater than 29 ng/mL. CONCLUSION Our findings suggest that (18)F-FDG-PET/CT is a valuable tool to predict the occurence of recurrent disease in patients with DTC, negative WBS and elevated Tg levels. PET/CT positivity has been shown to be strongly and positively correlated with Tg levels in this patient subset.
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