摘要:

Excessive alcohol ingestion is a recognized cause of reversible dilated cardiomyopathy. A case is reported of dilated cardiomyopathy associated with excessive alcohol consumption that was remarkable with respect to the rapidity and extent of normalization in left ventricular systolic function after cessation of alcohol consumption.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

To determine the usefulness of cerebral blood flow imaging for the diagnosis of brain death, 4 female and 12 male patients, aged 19 to 69 years and suffering from various intracranial lesions, were studied. In addition to neurologic examination, electroencephalographic recording, and cerebral angiography, tomographic brain scintigraphy was performed using a SPECT system with a LEAP collimator after the intravenous administration of 555 MBq Tc-99m HMPAO. The radioisotopic scanning procedure revealed no intracranial perfusion in 14 of the 16 patients. Only minimal cerebellar blood flow was seen in one patient. In another, residual right-sided supraten-torial flow was initially present but.absent in a follow-up HMPAO SPECT. Carotid angiography (four-vessel contrast media angiography) confirmed the above results without exception. Because HMPAO is taken up by normal brain tissue with no significant redistribution for several hours, the tracer is particularly helpful in cases of suspected brain death. The quality of the tracer must be established by chromatography. Interpretation of the SPECT images produces reliable and reproducible results. In conclusion, cerebral blood flow imaging with HMPAO is a safe, noninvasive procedure for the determination of brain death, that produces fast, reliable, reproducible, and easy-to-interpret results.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

That the radionuclide “milk” scan is insensitive for aspiration has been demonstrated. Here the authors review their experience with the radionuclide salivagram in its ability to detect aspiration in children. Tc-99m sulfur colloid, 0.5 to 1.0 mCi in less than 1 mL, is instilled into the mouth and sequential supine posterior images of the thorax are obtained for an hour with delayed images until the oropharynx is cleared of radiotracer. Fourteen studies have been performed in 13 patients aged 1 month to 6.5 years. There are scintigraphic findings consistent with aspiration in 4 of 14 studies (28%); dysmotility (prolonged retention of activity in the esophagus) in 7 of 14 studies (50%); and normal studies in 3 of 13 patients (22%). Eight of 13 patients had milk scans; all were negative for aspiration. One patient studied twice had aspiration on the first examination, and dysmotility on the second study. It is concluded that the salivagram can detect aspiration of oral secretions, is superior to the milk scan in detecting aspiration, and can demonstrate esophageal dysmotility.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

Although multiple authors have reported on various causes of external I-131 contamination after administration of radioiodine, to the authors' knowledge there have been no reported cases of external contamination from salivary secretions due to expectoration of chewing tobacco. A case of extensive I-131 contamination of a hospital room, furniture, and plumbing due to indiscriminate use of chewing tobacco during an inpatient I-131 radio-ablative therapy is presented.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

A case of a strangulated omental hernia detected by a scrotal scan is presented. This may be the first report in which the scrotal scan showed diffuse increased isotope accumulation throughout the hemiscrotum.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

Pulmonary blastoma is a rare primary malignancy of the lung with a small number of cases reported in children. The primary treatment is surgery, however radiotherapy and chemotherapy are also used. The ability to determine whether the tumor has been fully removed and when recurrence occurs is important for appropriate treatment and prognosis. A case of a 7-year-old girl with pulmonary blastoma is reported in which the primary tumor is extremely Ga-67-avid and in which the gallium scans were helpful in determining early recurrence and metastatic disease to the brain.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

A 44-year-old woman with pulmonary alveolar proteinosis was treated by repeated unilateral bronchopulmonary lavages over 6.5 years. The effectiveness of the treatment was assessed by Xe-133 scintigraphy as well as lung function tests and chest roentgenograms. Xe-133 scintigraphy clearly demonstrated improvement of regional ventilation and perfusion, and equalization of the ventilation and perfusion ratio. Therefore, Xe-133 scintigraphy was found to be useful in the analysis of changes in regional aeration, ventilation, and perfusion before and after bronchopulmonary lavage in pulmonary alveolar proteinosis.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

The importance of recognizing asymmetric Ga-67 citrate uptake in the sacroiliac region after bone marrow harvest and transplant is discussed in a case of non-Hodgkin's lymphoma. The patient underwent chemotherapy, irradiation, and autologous bone marrow transplant for stage IV disease. Ga-67 scintigraphy revealed sacroiliac asymmetry suggesting medial iliac reparative changes after bone marrow harvest. Iliac bone marrow biopsy showed no evidence of infection or of recurrent tumor. Subsequent follow-up imaging and open biopsy demonstrated lymphomatous invasion of adjacent soft tissue where initial findings were thought to represent benign, postharvest changes.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

A case of Takayasu's arteritis is reported. Ventilation-perfusion lung scans and exercise thallium scintigraphy clearly showed pulmonary and coronary arterial involvement, respectively. Clinical examination and angiography revealed no other abnormal vascular findings. This case points out the difficulty in attempting to diagnose Takayasu's disease if only atypical vascular involvement is present.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID

摘要:

Diabetic gastroparesis is a common problem in diabetics, especially insulin-dependent diabetics. The diagnosis usually is suggested on plain radiographs and confirmed on either upper gastrointestinal barium series or radionuclide gastric emptying studies. The clinical diagnosis is not always easy and some patients may present atypically with right upper quadrant pain simulating acute cholecystitis. In these patients, hepatobiliary scintigraphy may be the initial investigation performed and may first demonstrate unsuspected gastroparesis. Therefore, it is useful for the nuclear medicine physician to be aware of this entity to ensure early diagnosis and prompt treatment. The authors report one such case of diabetic gastroparesis that was diagnosed initially on a Tc-99m hepatobiliary scan.

ISSN:0363-9762    

出版商:OVID    

年代:1993

数据来源: OVID