Diffuse thallium lung uptake in Pneumocystis carinii pneumonia

Five patients with AIDS with Pneumocystis carinii pneumonia (PCP) showed diffuse bilateral lung uptake on sequential thallium and gallium scans. This creates a problem in the sequential use of these tests for the differentiation of Kaposi's sarcoma from acute inflammatory or other malignant dis...

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Bibliographic Details
Published inClinical nuclear medicine Vol. 19; no. 4; p. 287
Main Authors Abdel-Dayem, H M, Di Fabrizio, L, Kowalsky, W, Aras, T, Sadik, A, Kempf, J, Habbab, M N, Pescatore, F, Bag, R
Format Journal Article
LanguageEnglish
Published United States 01.04.1994
Subjects
Adult
AIDS-Related Opportunistic Infections - diagnostic imaging
Citrates
Citric Acid
Diagnosis, Differential
Gallium Radioisotopes
Humans
Lung - diagnostic imaging
Lung Neoplasms - diagnostic imaging
Lymphoma, AIDS-Related - diagnostic imaging
Male
Middle Aged
Pneumonia, Pneumocystis - diagnostic imaging
Sarcoma, Kaposi - diagnostic imaging
Thallium Radioisotopes
Tomography, Emission-Computed, Single-Photon
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Summary:Five patients with AIDS with Pneumocystis carinii pneumonia (PCP) showed diffuse bilateral lung uptake on sequential thallium and gallium scans. This creates a problem in the sequential use of these tests for the differentiation of Kaposi's sarcoma from acute inflammatory or other malignant diseases. In Kaposi's sarcoma, thallium uptake is usually focal and not diffuse unless associated with other pathology. However, in PCP the diffuse thallium lung uptake may be due to congestion, increased vascular permeability, and extravasation of thallium into the lung parenchyma.
ISSN:0363-9762
DOI:10.1097/00003072-199404000-00002