摘要:

Photon-deficient lesions in the skeleton occasionally are seen in ln-111 leukocyte imaging. Although the findings usually indicate past surgery, previous infections, or radiation therapy effect, they may be due to metastatic disease or active or partially treated infection.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

Bone imaging of the lower pelvis often is impaired by the radioactivity of the bladder. The caudal view produces an image that clearly distinguishes the bladder from the bones. Thus, it is helpful in patients with bony lesions of the lower and anterior pelvis. The caudal view examination is completed by a backward tilting of the camera head that clarifies this distinction.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

During examination for occult gastrointestinal bleeding, Tc-99m labeled RBC imaging demonstrated intraperitoneal bleeding into Morrison's pouch from a hepatocellular carcinoma.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

A new use for intraoperative bone imaging is described. The technique allowed accurate localization of bone pathology for biopsy where plain radiographs and bone morphology were otherwise normal. The technique should increase diagnostic accuracy and eliminate false-negative biopsy results.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

Eleven patients who had clinical and biochemical evidence of primary hyperparathyroidism were studied using dual isotope technetium-thallium parathyroid subtraction imaging. The parathyroid scans correctly identified all surgically proven parathyroid adenomas. Three abnormal foci also were identified that were not parathyroid adenomas. These were caused by adenocarcinoma metastatic to a lymph node, primary papillary carcinoma of the thyroid, and parathyroid hyperplasia. This report also demonstrates the importance of surgically examining all abnormal sites of uptake.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

The dual tracer radionuclide method using TI-201 and Tc-99m subtraction imaging has proven to be effective for evaluation of parathyroid lesions. Ninety-two percent sensitivity for detection of parathyroid adenomas has been reported. The importance of dynamic or early imaging, however, has not been emphasized. A case of surgically proven parathyroid adenoma was detected using dynamic scanning after TI-201 injection and was less apparent on delayed image due to rapid washout.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

Pulmonary perfusion scintigraphy was used to noninvasively evaluate a neonate four days after attempted surgical closure of a large patent ductus arteriosus (PDA). No perfusion to the left lung was seen, suggesting inadvertent ligation of the left pulmonary artery (PA). This was confirmed by cardiac catheterization and reoperation. Radionuclide pulmonary perfusion imaging is an ideal noninvasive technique for evaluating pulmonary perfusion in neonates after complicated thoracic surgery.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

A patient whose huge lung mass was demonstrated as a largè defect on 1-123 N,N,N'trimethyl-N'[2-hydroxy-3- methyl-5-iodobenzyl]-1,3-propanediamine (HIPDM) lung imagine is presented. 1-123 HIPDM, a lipophilic agent, is designed for early detection of abnormal cerebral perfusion. Since up to 50% of the administered agent is accumulated and perhaps metabolized in the lung, the radiopharmaceutical may be potentially useful for detection of pathology of the lung in addition to evaluation of pulmonary amine metabolism.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

Metastatic carcinoma to the thyroid gland rarely is encountered in clinical practice; however, autopsy series have shown that it is not a rare occurrence. A case of adenocarcinoma of the colon with metastases to the thyroid is reported. A review of the literature reveals that melanoma, breast, renal, and lung carcinomas are the most frequent tumors to metastasize to the thyroid. Metastatic disease must be considered in the differential diagnosis of cold nodules on radionuclide thyroid scans, particularly in patients with a known primary.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID

摘要:

Septic cavernous sinus thrombosis, a relatively uncommon disease entity, frequently can be fatal. Early diagnosis is imperative in order that appropriate treatment be instituted. A 59-year-old woman who was admitted to our institution with complaints of diplopia, blurred vision and fevers that developed following a tooth extraction is presented. Initial CT and lumbar puncture on the day of admission were totally normal. A repeat CT performed 48 hours after admission, on the same day as gallium imaging, demonstrated findings consistent with cavernous sinus thrombosis. Gallium imaging demonstrated intense uptake in the left cavernous sinus and left orbit as well as moderately increased activity in the right cavernous sinus and orbit, confirming infection. The patient was treated with antibiotics, and repeat CT and gallium imaging were performed ten days later, both of which demonstrated near total resolution of the disease process. Conceivably, if gallium imaging had been initiated on the day of admission it may have been the first study to demonstrate an infectious process in the cavernous sinus. Gallium imaging should be considered as a diagnostic tool in the noninvasive workup of this entity.

ISSN:0363-9762    

出版商:OVID    

年代:1986

数据来源: OVID