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174 results on '"Roarke, Michael C."'

16. Injection of.sup.99mTc-labeled sulfur colloid the day before operation for breast cancer sentinel lymph node mapping is as successful as injection the day of operation

Author

Gray, Richard J., Pockaj, Barbara A., and Roarke, Michael C.

Subjects
Sulfur compounds, Breast cancer, Health
Abstract

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.amjsurg.2004.08.053 Byline: Richard J. Gray (a), Barbara A. Pockaj (a), Michael C. Roarke (b) Keywords: Breast cancer; Sentinel node; Radiocolloid; Technique Abstract: We investigated whether the timing of injection of.sup.99mTc-labeled sulfur colloid (radiocolloid) significantly influenced the success of breast cancer sentinel lymph node (SLN) mapping. Author Affiliation: (a) Department of Surgery, Section of Surgical Oncology, CB Surgery, Mayo Clinic, Scottsdale, AZ 85259, USA (b) Department of Diagnostic Radiology, Section of Nuclear Medicine, Mayo Clinic, Scottsdale, AZ, USA Article History: Received 20 July 2004; Revised 7 August 2004

Published
2004

23. (S018) A Prospective Trial of Intensity-Modulated Radiation Therapy (IMRT) Incorporating a Simultaneous Integrated Boost for Prostate Cancer: Long-Term Outcomes Compared With Standard Image-Guided IMRT

Author

Schild, Steven E., primary, Schild, Michael H., additional, Wong, William W., additional, Vora, Sujay A., additional, Keole, Sameer R., additional, Vargas, Carlos E., additional, Daniels, Thomas B., additional, Ezzell, Gary A., additional, Nguyen, Ba E., additional, and Roarke, Michael C., additional

Published
2017
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24. A Prospective Trial of Intensity Modulated Radiation Therapy (IMRT) Incorporating a Simultaneous Integrated Boost for Prostate Cancer: Long-term Outcomes Compared With Standard Image Guided IMRT

Author

Schild, Michael H., primary, Schild, Steven E., additional, Wong, William W., additional, Vora, Sujay A., additional, Keole, Sameer R., additional, Vargas, Carlos E., additional, Daniels, Thomas B., additional, Ezzell, Gary A., additional, Nguyen, Ba D., additional, and Roarke, Michael C., additional

Published
2017
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25. 99mTc-Sulfur Colloid Bone Marrow Scintigraphy in Diagnosis of Diffuse Pulmonary Extramedullary Hematopoiesis Secondary to Myelofibrosis.

Author

Ming Yang, Covington, Matthew F., Nguyen, Ba D., Johnson, Geoffrey B., Mesa, Ruben A., Roarke, Michael C., and Yang, Ming

Subjects
MYELOFIBROSIS, LUNGS, EXTRAMEDULLARY hematopoiesis, RETROSPECTIVE studies, SINGLE-photon emission computed tomography, RADIOPHARMACEUTICALS, RESEARCH funding, BONE marrow, COMPUTED tomography
Abstract

Our objective was to define the role of combined 99mTc-sulfur colloid bone marrow (SC BM) scintigraphy, SPECT or SPECT/CT, and chest CT in diagnosing diffuse pulmonary extramedullary hematopoiesis (PEMH) in patients with myelofibrosis. Methods: We retrospectively reviewed 99mTc-SC BM scintigraphy scans performed at our institution for the diagnosis of diffuse PEMH, as well as accompanying chest CT and SPECT/CT imaging findings. Relevant clinical information, including respiratory manifestations, pulmonary hypertension, and subjective response to whole-lung radiation therapy, was also summarized. Results: Twenty-two myelofibrosis patients with 27 99mTc-SC BM scintigraphy scans were diagnosed with diffuse PEMH. In 21 patients (95%) with accompanying chest CT and SPECT/CT scans, the most common CT findings were ground-glass opacity, interstitial infiltration, and pleural effusion. Of 20 patients (91%) who underwent 2-dimensional echocardiography studies, 12 (55%) were diagnosed with pulmonary hypertension. All 12 patients exhibited the aforementioned nonspecific CT imaging findings, with 8 (66%) of them presenting with respiratory symptoms, including dyspnea, shortness of breath, and cough. In the remaining 8 patients, without pulmonary hypertension, half had similar respiratory symptoms. Fourteen patients (64%) of this cohort received whole-lung radiation therapy, of whom 7 (50%) experienced symptom relief after therapy. Conclusion: Nonspecific respiratory symptoms should raise concern about pulmonary hypertension and diffuse PEMH in patients with advanced-stage myelofibrosis. Combined 99mTc-SC BM scintigraphy and SPECT/CT is a promising noninvasive imaging tool to diagnose this rare clinical entity.Key Words: hematology; respiratory; SPECT/CT; pulmonary hematopoiesis; Tc-99m sulfur colloid scintigraphy; myelofibrosis. [ABSTRACT FROM AUTHOR]

Published
2018
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