CT of pancreatic islet cell tumors.

abstract：:We have reviewed our experience with 118 biliary catheterization procedures in 109 patients from 1979 to 1984. Major complications (septic shock, hemorrhage, subphrenic abscess, and formation of an arteriovenous fistula) occurred in five patients (4.2%), three of whom died (2.5%). Minor complications occurred in 41 pa...

journal_title：Radiology

authors： Hamlin JA,Friedman M,Stein MG,Bray JF

更新日期：1986-01-01 00:00:00

abstract：:The appearance of testicular prostheses on magnetic resonance (MR) images was studied in six patients with seven silicone implants: two with a fluid consistency and five that were solid. On T1-weighted images, both types of prosthesis demonstrated homogeneous low signal intensity; on T2-weighted images, the fluid impl...

journal_title：Radiology

authors： Semelka R,Anderson M,Hricak H

更新日期：1989-11-01 00:00:00

abstract：:Computed tomography (CT) was performed in 42 patients with 49 clinically suspected tears of the posterior tibial tendon. Twenty-eight of the 49 suspected tears were subsequently surgically explored and repaired. Three patterns of tendon abnormalities were recognized on CT scans: type I-intact, hypertrophied, heterogen...

journal_title：Radiology

authors： Rosenberg ZS,Jahss MH,Noto AM,Shereff MJ,Cheung Y,Frey CC,Norman A

更新日期：1988-05-01 00:00:00

abstract：:An adaptation of the Papillon technique was developed in which a superficial x-ray machine was used for treatment of small superficially invasive rectal carcinomas. Modification of the proctoscope-treatment cone apparatus, including addition of a fiberoptic scope, allows confirmation of accurate cone placement through...

journal_title：Radiology

authors： Matar JR,Coffey C 2nd,Maruyama Y

更新日期：1988-08-01 00:00:00

abstract：:The imaging characteristics of microcalcifications in both benign and malignant breast conditions were analyzed in 48 digitized film mammograms. Each case included in this analysis had findings considered suggestive of malignancy by the radiologist, with the underlying histologic structure determined by excisional bio...

journal_title：Radiology

authors： Olson SL,Fam BW,Winter PF,Scholz FJ,Lee AK,Gordon SE

更新日期：1988-11-01 00:00:00

abstract：PURPOSE:To determine technical success with percutaneous abscess drainage (PAD) in patients with Crohn disease during 14 years. MATERIALS AND METHODS:Medical records of 32 patients with Crohn disease who underwent PAD from 1985 to 1999 were reviewed. Results of abscess drainage and nature of subsequent surgical proced...

journal_title：Radiology

authors： Gervais DA,Hahn PF,O'Neill MJ,Mueller PR

更新日期：2002-03-01 00:00:00

abstract：PURPOSE:To determine the effect of surrounding tissue type on coagulation necrosis from radiofrequency (RF) ablation in a homogeneous animal tumor model. MATERIALS AND METHODS:Thirty canine venereal sarcomas were implanted in three tissue sites (subcutaneous, kidney, and lung) in 13 mildly immunosuppressed dogs. Five ...

journal_title：Radiology

authors： Ahmed M,Liu Z,Afzal KS,Weeks D,Lobo SM,Kruskal JB,Lenkinski RE,Goldberg SN

更新日期：2004-03-01 00:00:00

abstract：:In tumor radiobiology, the hypoxic cell has become especially important because of recent evidence of acute hypoxic regions within experimental tumors. The impact of hyperthermia on the development of acute hypoxia is discussed. Two experiments for studying hyperthermia and hypoxia in tumors are presented. Knowledge o...

journal_title：Radiology

authors： Dewhirst MW,Ozimek EJ,Gross J,Cetas TC

更新日期：1980-12-01 00:00:00

abstract：:Sixteen patients with progressive diaphyseal dysplasia (PDD) and aged six months to 76 years were examined. Fourteen cases were hereditary, two were not. The progression of the radiologic manifestations in 13 patients who were followed up from 1 to 32 years and the computed tomography (CT) scans from five patients wer...

journal_title：Radiology

authors： Kaftori JK,Kleinhaus U,Naveh Y

更新日期：1987-09-01 00:00:00

abstract：:Spermatic venography with hot contrast material embolization was undertaken in 81 patients with varicoceles and infertility. Long-term follow-up information was available in 91% of the patients, and there was an overall conception rate of 40.5%. Embolization with hot contrast material was easily performed without spec...

journal_title：Radiology

authors： Smith TP,Hunter DW,Cragg AH,Darcy MD,Castaneda-Zuniga WR,Sinclair TR,Ercole C,Hulbert JC,Kaye KW,Amplatz K

更新日期：1988-07-01 00:00:00

abstract：PURPOSE:To evaluate the use of magnetic resonance (MR) imaging and computed tomography (CT) for predicting the histologic grade of parosteal osteosarcomas. MATERIALS AND METHODS:Sixty parosteal osteosarcomas were analyzed for tumor size and location, presence of a cleavage plane, intramedullary extension, soft-tissue ...

journal_title：Radiology

authors： Jelinek JS,Murphey MD,Kransdorf MJ,Shmookler BM,Malawer MM,Hur RC

更新日期：1996-12-01 00:00:00

abstract：:In a phantom and in 37 patients, a simple laser guidance system for computed tomography (CT)-guided procedures used the software program of the CT scanner and a laser beam mounted on the CT gantry without need for additional software or components. The skin entry point and angulation of the target path were determined...

journal_title：Radiology

authors： Miaux Y,Guermazi A,Gossot D,Bourrier P,Angoulvant D,Khairoune A,Turki C,Bouché E

更新日期：1995-01-01 00:00:00

abstract：PURPOSE:To determine whether various eosinophilic lung diseases can be differentiated by means of thin-section computed tomography (CT). MATERIALS AND METHODS:Thin-section CT scans in 111 patients with eosinophilic lung diseases-40 with chronic eosinophilic pneumonia, 16 with Churg-Strauss syndrome, 16 with allergic b...

journal_title：Radiology

authors： Johkoh T,Müller NL,Akira M,Ichikado K,Suga M,Ando M,Yoshinaga T,Kiyama T,Mihara N,Honda O,Tomiyama N,Nakamura H

更新日期：2000-09-01 00:00:00

abstract：PURPOSE:To retrospectively determine if solid renal cortical tumors can be differentiated on computed tomographic (CT) images on the basis of their morphologic features and enhancement patterns. MATERIALS AND METHODS:Institutional review board approval was obtained and the informed consent requirement was waived for t...

journal_title：Radiology

authors： Zhang J,Lefkowitz RA,Ishill NM,Wang L,Moskowitz CS,Russo P,Eisenberg H,Hricak H

更新日期：2007-08-01 00:00:00

abstract：:Spleen cells from normal or preimmunized mice were exposed to graded doses of peak pions or 300-kVp x rays in vitro and then cultured in heavily irradiated mice to determine antibody production against sheep erythrocytes. The RBE for the primary antibody response was 1.46. Equal suppression of secondary responses was ...

journal_title：Radiology

authors： Carlson DE

更新日期：1978-03-01 00:00:00

abstract：:To prevent platelet aggregation following percutaneous transluminal angioplasty (PTA), cyclooxygenase inhibitors such as acetylsalicylic acid (ASA) and indomethacin are recommended. However, ASA blocks both the proaggregating effects of thromboxane (TXA2) and the antiaggregating and vasodilating effects of prostacycli...

journal_title：Radiology

authors： Zollikofer CL,Cragg AH,Einzig S,Castaneda-Zuniga WR,Castaneda F,Rysavy JA,Bruhlmann WF,Shebuski RJ,Amplatz K

更新日期：1983-12-01 00:00:00

abstract：:Three-dimensional computed tomography (CT) has an important role in determining the presence and extent of congenital and acquired craniofacial deformities. The authors compared the sensitivity and specificity of three-dimensional CT in the detection and characterization of craniosynostosis with that of planar CT and ...

journal_title：Radiology

authors： Vannier MW,Hildebolt CF,Marsh JL,Pilgram TK,McAlister WH,Shackelford GD,Offutt CJ,Knapp RH

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To evaluate in a pilot study the feasibility and efficacy of endovascular brachytherapy for prophylaxis of restenosis after femoropopliteal percutaneous transluminal angioplasty (PTA) without stent implantation in a group of patients with a high risk of restenosis. MATERIALS AND METHODS:Ten patients (six women...

journal_title：Radiology

authors： Minar E,Pokrajac B,Ahmadi R,Maca T,Seitz W,Stümpflen A,Pötter R,Ehringer H

更新日期：1998-07-01 00:00:00

abstract：:Twenty patients with multiple or recurrent superficial head and facial cancer were treated with low-megavoltage electron-beam therapy, using a readily adaptable polystyrene shield assembly with interchangeable collimators. Patient set-up times were reduced, treatment was simplified, and flexibility of therapy was achi...

journal_title：Radiology

authors： Johnson TS,Garciga CE,Feldman ME,Holcomb MH

更新日期：1975-06-01 00:00:00

abstract：:Radiographs of 45 patients with evidence of acute unilateral ureteral obstruction at intravenous urography, obtained at least 24 hours after injection of contrast material, were retrospectively studied. Vicarious contrast material excretion (VCME) as evidence by gallbladder opacification on delayed radiographs was see...

journal_title：Radiology

authors： Dyer RB,Gilpin JW,Zagoria RJ,Chen MY,Case LD

更新日期：1990-12-01 00:00:00

abstract：:Partial Budd-Chiari syndrome was produced in 8 monkeys by obstructing 2 or 3 lobar hepatic veins with a rapidly polymerizing plastic. Hepatic angiography done 1-3 months later revealed crowded tortuous arteries and a dense hepatogram in the lobe with venous occlusion. Unobstructed lobes were hypertrophied. Retrograde ...

journal_title：Radiology

authors： Maguire R,Doppman JL

更新日期：1977-03-01 00:00:00

abstract：:Photochromic lenses which undergo a change in density with varying intensities of sunlight have been incorporated into routine eyeglasses. Laboratory tests have shown that glasses of this type do not decrease the visual acuity of the radiologist. ...

journal_title：Radiology

authors： Balter S,Janower ML

更新日期：1975-08-01 00:00:00

abstract：PURPOSE:To determine the magnetic resonance (MR) imaging characteristics of endometrial polyps and the accuracy of MR imaging in distinguishing endometrial polyps from endometrial carcinomas in a case-control study. MATERIALS AND METHODS:Cross-referencing pathology records with MR studies from two institutions disclos...

journal_title：Radiology

authors： Grasel RP,Outwater EK,Siegelman ES,Capuzzi D,Parker L,Hussain SM

更新日期：2000-01-01 00:00:00

abstract：PURPOSE:To test a biopsy needle modified for use of radio-frequency (RF) energy to produce hemostasis after core biopsy of liver or kidney. MATERIALS AND METHODS:RF energy was applied to a partially insulated 17-gauge needle, and tip temperature was monitored with a thermocouple. Domestic Yorkshire pigs (n = 4; mean w...

journal_title：Radiology

authors： Laeseke PF,Winter TC 3rd,Davis CL,Stevens KR,Johnson CD,Fronczak FJ,Webster JG,Lee FT Jr

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:To determine if wrist arthrography changes surgeons' diagnoses and treatment plans for patients with chronic wrist pain. MATERIALS AND METHODS:Bilateral, three-compartment wrist arthrography was performed in 64 patients. Prospective questionnaires evaluated surgeons' diagnoses and management plans at three sta...

journal_title：Radiology

authors： Yin Y,Evanoff BA,Gilula LA,Littenberg B,Pilgram TK,Kanterman RY

更新日期：1996-09-01 00:00:00

abstract：PURPOSE:To compare the accuracy of four breath-hold magnetic resonance (MR) imaging sequences to establish the most effective superparamagnetic iron oxide (SPIO)-enhanced sequence for detection of colorectal hepatic metastases. MATERIALS AND METHODS:Thirty-one patients with colorectal hepatic metastases underwent T1-w...

journal_title：Radiology

authors： Ward J,Guthrie JA,Wilson D,Arnold P,Lodge JP,Toogood GJ,Wyatt JI,Robinson PJ

更新日期：2003-09-01 00:00:00

abstract：:We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea. Fifteen (47%) of these cisternography studies were positive, and the site of the leak was identified. No leak could be demonstrated i...

journal_title：Radiology

authors： Curnes JT,Vincent LM,Kowalsky RJ,McCartney WH,Staab EV

更新日期：1985-03-01 00:00:00

abstract：:The ultrasonic appearance of the normal and abnormal fetal spine before 20 weeks' gestation was reviewed in 121 pregnances. A model was constructed to establish the mechanism of production in the various configurations seen. The relative roles of ultrasonography, alpha fetoprotein assay, and fetoscopy in the diagnosis...

journal_title：Radiology

authors： Miskin M,Baim RS,Allen LC,Benzie RJ

更新日期：1979-07-01 00:00:00

abstract：PURPOSE:To retrospectively compare sensitivity and specificity of magnetic resonance (MR) imaging, three-dimensional (3D) MR spectroscopy, combined MR imaging and 3D MR spectroscopy, and carbon 11 (11C)-choline positron emission tomography (PET)/computed tomography (CT) for intraprostatic tumor sextant localization, wi...

journal_title：Radiology

authors： Testa C,Schiavina R,Lodi R,Salizzoni E,Corti B,Farsad M,Kurhanewicz J,Manferrari F,Brunocilla E,Tonon C,Monetti N,Castellucci P,Fanti S,Coe M,Grigioni WF,Martorana G,Canini R,Barbiroli B

更新日期：2007-09-01 00:00:00

abstract：:An unusual case of unintentional release of a spring coil into the superior mesenteric artery is reported. The coil migrated distally into the ileocolic artery, and the situation was successfully resolved by retrieval of the coil with grasping forceps. ...

journal_title：Radiology

authors： Vujic I,Moore L,McWey RE

更新日期：1986-08-01 00:00:00