Complementary role of parathormone washout test to Tc-MIBI parathyroid scintigraphy and histopathologic analysis of cell types in parathyroid adenomas.

Objective: Parathyroid scintigraphy (PS) can be negative or equivocal (N/E) in a considerable number of cases with highly suspicious clinical findings and biochemical results for parathyroid adenoma (PA). The aims of this study were to investigate the complementary role of parathormone washout test (PWT) to PS in patients with primary hyperparathyroidism (PHPT) and evaluate histopathologic aspects of PAs in comparison with PS results.

Material And Methods: Thirty-eight patients with PHPT referred for PS were included in the study.

Evaluation of predictor variables of diagnostic [18F] FDG-PET/CT in fever of unknown origin.

Background: Fever of unknown origin (FUO) is defined as an illness having fever which lasts at least 3 weeks of duration and is higher than 38.3 ºC on several measurements. The causes are infections, malignancies, noninfectious inflammatory diseases and miscellaneous.

The efficacy of mesenchymal stem cell transplantation in caustic esophagus injury: an experimental study.

Introduction. Ingestion of corrosive substances may lead to stricture formation in esophagus as a late complication. Full thickness injury seems to exterminate tissue stem cells of esophagus.

The efficacy of bioceramics for the closure of burr-holes in craniotomy: case studies on 14 patients.

Purpose: Bioceramics are currently in use to cover bone defects in orthopedics and craniofacial surgery. But their compatibility and efficacy in cranium were not investigated in detail. The aims of this study were to produce, characterize, and assess the biocompatibility and osteointegration of Si-HA, Si-Sr-HA, HA-Wollastonite, and HA-Wollastonite-Frit bioceramics.

Effect of alpha-tocopherol on bone formation during distraction osteogenesis: a rabbit model.

Purpose: The purpose of this study was to evaluate the effects of alpha-tocopherol on distraction osteogenesis.

Materials And Methods: Right tibias of 30 New Zealand white rabbits were distracted at a rate of 0.5 mm/day for 20 days with a circular external fixator.

Incidental finding of sacral hemiagenesis on the (99m)Tc-MDP bone scan as a casual regression syndrome type II.

A 69 years old woman with chronic low back pain referred to our Department for bone scintigraphy. Patient did not have any other complaint and his physical examination of the patient was normal. Whole-body scan was acquired 3 h after the intravenous injection of 740 MBq of technetium-99m methylene diphosphonate ((99m)Tc-MDP).

Prospective study of the impact of thyroid hormone replacement on objective voice parameters.

Objectives: Hypothyroidism has long been considered to have an impact on phonation. In this study, objective evaluation of vocal function in women with hypothyroidism was performed in order to characterize potential dysphonia; their subsequent response to thyroid hormone replacement was prospectively studied. It was hypothesized that thyroid hormone replacement therapy in this cohort would have an objectively measurable impact on vocal function.

Effects of hyperbaric oxygen therapy on rabbit skeletal muscle during extremity lengthening.

Introduction: Extremity lengthening through distraction osteogenesis is limited by the surrounding skeletal muscle and neurovascular structures rather than the bone itself. The purpose of this study is to evaluate the effects of hyperbaric oxygen therapy on skeletal muscle during distraction osteogenesis.

Materials And Methods: Twenty New Zealand white rabbits were randomly divided into two groups.

Bilateral femoral insuffiency fractures treated with inflatable intramedullary nails: a case report.

Stress fractures could be classified as fatigue fractures and insufficiency fractures (IF). Fatigue fractures occur when abnormal mechanical stress is applied to a normal bone, on the other hand insufficiency fractures occur when normal to moderate pressure is applied to a bone that has decreased resistance (Daffner and Pavlov in Am J Radiol 159:242-245, 1992). IF have been observed mainly in patients with postmenopausal osteoporosis, and are becoming more common with the increase of elderly population (Daffner and Pavlov in Am J Radiol 159:242-245, 1992).

Disseminated metastatic disease of osteosarcoma of the femur in the abdomen: unusual metastatic pattern on Tc-99m MDP bone scan.

A 25-year-old patient with osteosarcoma of the right distal femur underwent a bone scintigraphy with Tc-99m methylene diphosphonate (MDP). Whole-body bone scan revealed extensive metastatic disease in the abdominal region. Abdominal computerized tomography confirmed the presence of ascites and calcified masses on the greater omentum and peritoneal surfaces.

Saving the zone of stasis: is glutathione effective?

One of the main subjects that burn researches are focused on is saving the zone of stasis. There are many molecules that are used for this purpose, but all have their drawbacks. Glutathione is one of the major buffer molecules of the cells and is known to increase the thermo-resistance of the cells.

Unilateral temporary functional stasis in the upper urinary tract caused by "a filled bladder" on Tc-99m DTPA diuresis renography: a teaching case.

A 2-year-old girl with recurrent urinary tract infection having slight left pelvicaliceal dilatation on her renal ultrasound underwent a Tc-99m DTPA diuresis renography. During the excretion phase, a prominent and persisting left pelvicaliceal stasis was noticed even after the diuretic injection. However, it disappeared simultaneously with an uncontrolled micturition.

Fused pelvic kidneys: "hourglass sign" on Tc-99m DTPA diuresis renography.

A 13-year-old girl with fused pelvic kidneys detected on ultrasonographic examination was referred to our department for a diuresis renography to assess urine drainage dynamics and exclude the possibility of urinary tract obstruction. Renal scan demonstrated fused pelvic kidneys functioning normally without obstruction. The authors present this case to demonstrate the diuresis renography findings of the combined position, fusion and rotation anomalies of the kidneys that is a rare congenital anomaly of the urinary tract.

Varices of inferior epigastric veins caused by chronic inferior vena cava obstruction: mimicking normal venous flow pattern on radionuclide venography.

A 21-year-old patient with long-standing inferior vena cava obstruction secondary to idiopathic thrombosis extending from the external iliac veins underwent a radionuclide venography with Tc-99m pertechnetate labeled erythrocytes. The blood pool phase of the study revealed bilaterally distorted inferior epigastric veins mimicking normal venous flow pattern. The authors present this case to discuss the possible alternative routes and the underlying physiopathologic mechanism of this unusual flow pattern in chronic inferior vena cava obstruction.

Unusual patterns of I-131 contamination.

Whole body imaging with radioiodine can detect functioning metastases, which can often be effectively treated with appropriate amounts of radioiodine. Non-physiologic I-131 uptake detected on images is usually interpreted as suggesting functioning thyroid metastases. However, extra-thyroidal I-131 accumulation does not always imply thyroid cancer metastases and has been reported on many occasions, including various non-thyroidal neoplasms, and contamination by body secretions.

Uterine doughnut in early proliferating phase: potential pitfall in gastrointestinal bleeding studies.

A 41-year-old woman with rectal bleeding was referred to our department for gastrointestinal (GI) bleeding study. She was in early post-menstrual period and had stable vital signs. A GI bleeding study with Tc-99m SC revealed uterine blush in the pelvis.