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Whole-body diffusion-weighted imaging compared with FDG-PET/CT in staging of lymphoma patients
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för radiologi, onkologi och strålningsvetenskap, Enheten för radiologi.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för radiologi, onkologi och strålningsvetenskap, Enheten för onkologi.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för radiologi, onkologi och strålningsvetenskap, Enheten för radiologi. Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för radiologi, onkologi och strålningsvetenskap, Enheten för onkologi.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper. (Department of Nuclear Medicine)
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2011 (engelsk)Inngår i: Acta Radiologica, ISSN 0284-1851, E-ISSN 1600-0455, Vol. 52, nr 2, s. 173-180Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background:

Diffusion-weighted imaging (DWI) has become increasingly valuable in lymph node imaging, yet the clinical utility of this technique in the staging of lymphoma has not been established.

Purpose:

To compare whole-body DWI with FDG-PET/CT in the staging of lymphoma patients.

Material and Methods:

Thirty-one patients, eight with Hodgkin lymphoma (HL) and 23 with non-Hodgkin's lymphoma (18 aggressive and five indolent) underwent both whole-body DWI, whole-body MRI (T1W and T2W-STIR) and FDG-PET/CT. Lesions on whole-body DWI were only considered positive if they correlated with lesions on T1W and T2W-STIR images. The staging given by each technique was compared, according to the Ann Arbor staging system. Differences in staging were solved using biopsy results, and clinical and CT follow-ups as standard of reference.

Results:

The staging was the same for DWI and FDG-PET/CT in 28 (90.3%) patients and different in three (9.7%). Of the 28 patients with the same staging, 11 had stage IV in both techniques and 17 had stages 0-III. No HL or aggressive non-Hodgkin's lymphoma patients had different staging. Three indolent small lymphocytic lymphoma/chronic lymphocytic leukemia (SLL/CLL) lymphoma had higher staging with DWI when compared with FDG-PET/CT. One small subcutaneous breast lymphoma was not seen but all other extranodal sites were detected by both techniques.

Conclusion:

Whole-body DWI is a promising technique for staging of both (aggressive and indolent) non-Hodgkin's lymphoma and HL.

sted, utgiver, år, opplag, sider
2011. Vol. 52, nr 2, s. 173-180
Emneord [en]
Whole-body diffusion-weighted imaging, lymphoma, FDG-PET/CT
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-152737DOI: 10.1258/ar.2010.100246ISI: 000290498900009PubMedID: 21498346OAI: oai:DiVA.org:uu-152737DiVA, id: diva2:413900
Tilgjengelig fra: 2011-04-29 Laget: 2011-04-29 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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