نتایج جستجو برای: radioguided occult lesion localization
تعداد نتایج: 242462 فیلتر نتایج به سال:
INTRODUCTION The aim of this study was to assess the utility of [Lys40(Ahx-HYNIC-99mTc/EDDA)NH2]-exendin-4 scintigraphy in the management of patients with hypoglycemia, particularly in the detection of occult insulinoma. MATERIALS AND METHODS Forty patients with hypoglycemia and increased/confusing results of serum insulin and C-peptide concentration and negative/inconclusive results of other...
Two cases of osteoid osteoma tumor (OO) are presented and our early experience with intraoperative gamma probing to localize OO during surgery is reported. The concept of radioguided surgery was developed 60 years ago and the gamma detection probe technology for radioguided biopsy and/or resection of bone lesions has been applied since the early 1980s. Bone scintigraphy is very important for in...
The recent development of radioguided parathyroidectomy has allowed parathyroidectomy to be quickly performed by a significantly less invasive procedure. Radioguided parathyroidectomy is also likely to decrease operation time, risk of complications, hospital stay, and the overall cost of patient care, result in a smaller scar and rapid, nearly pain-free recovery, and allow local anesthesia. Des...
Ectopic thyroid tissue results from abnormal embryologic development and migration of the thyroid gland. True malignant transformation in ectopic thyroid tissue is extremely rare and is always diagnosed after surgical excision of the lesion by pathology examinations. There are well-documented cases of ectopic thyroid cancer while primary tumoral lesion occurs in the orthotopic thyroid, but only...
Aim of the present study was to investigate the feasibility and long-term results of focused radioguided parathyroidectomy using a "low" 37 MBq (1 mCi) 99mTc-sestamibi dose protocol compared to conventional "high 740 MBq (20 mCi) 99mTc-sestamibi dose protocol" in patients with primary hyperparathyroidism (PHPT). The data of focused radioguided surgery obtained in a group of 320 consecutive PHPT...
BACKGROUND Radioguided surgery using 99m-Technetium-methoxyisobutylisonitrile (99mTc-MIBI) has been recommended for the surgical treatment of mediastinal parathyroid adenomas. However, high myocardial 99mTc-MIBI uptake may limit the feasibility of radioguided surgery in aortopulmonary window parathyroid adenoma. CASE PRESENTATION Two female patients aged 72 (#1) and 79 years (#2) with primary...
1Regional Center of Nuclear Medicine, University of Pisa Medical School, Pisa, Italy; 2Division of Surgery, John Wayne Cancer Institute, Santa Monica, California; 3Radiotherapy and Nuclear Medicine Department, Regional Hospital of Padua, Padua, Italy; 4Institute of Endocrine Surgery, University of Pisa Medical School, Pisa, Italy; and 5Institute of General Surgery, University of Padua Medical S...
BACKGROUND/AIM Breast lesions that are not palpable on physical examination but considered suspicious for malignancy on mammography or ultrasonography should be marked before surgery. Wire-guided localization (WGL) is the most frequently used method for preoperative marking of nonpalpable breast lesions (NPBLs). An alternative is marking by a radioactive agent (radio-guided occult lesion locali...
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