Publications by authors named "Rıza Sefizade"

Objectives: The aim of our retrospective study was to evaluate the contribution of single photon emission computed tomography/computed tomography (SPECT/CT) to three phase bone scintigraphy/SPECT for the assessment of osteomyelitis (OM) and patient’s management.

Methods: Eighty-five patients who were suspected as having OM were included in this study. Tc-99m MDP three phase bone scintigraphy and SPECT/CT were performed to the region of suspected OM.

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Hypertrophic pulmonary osteoarthropathy (HPOA) is a paraneoplastic manifestation of gastric and, more frequently, lung carcinomas. It is characterized by extremity pain, clubbing, arthritis and periostitis of the long bones. Periostitis is the hallmark of HPOA and can be revealed with bone scintigraphy.

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Von Hippel-Lindau syndrome (VHLS) is an autosomal dominant hereditary familial disorder characterized by development of malignant and benign neoplasms. Differential diagnosis of the adrenal and pancreatic masses are difficult in patients with VHLS. Iodine-123 metaiodobenzylguanidine (I-123 MIBG) and indium-111 somatostatin receptor scintigraphies (In-111 SRS) have important roles in the differential diagnosis of adrenal and pancreatic masses in those patients.

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Objective: In this study, we aimed to evaluate the contribution of single-photon emission computerized tomography/computed tomography (SPECT/CT) to three-phase planar bone scintigraphy/SPECT in the assessment of aseptic and septic prosthesis loosening in patients with painful hip and knee prostheses.

Methods: Fifty patients who had undergone arthroplasties (20 hips and 30 knees) and were suspected to have complications and had undergone revision surgery were included in this study. Technetium-99m methylene diphosphonate three-phase bone scintigraphy and SPECT/CT were performed at the region of prostheses in all patients.

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